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searching for Complex plane 208 found (908 total)

alternate case: complex plane

Plane curve (670 words) [view diff] no match in snippet view article find links to article

In mathematics, a plane curve is a curve in a plane that may be a Euclidean plane, an affine plane or a projective plane. The most frequently studied cases
Split-complex number (4,057 words) [view diff] exact match in snippet view article find links to article
independent quantity. The collection of all such z is called the split-complex plane. Addition and multiplication of split-complex numbers are defined by
Complex quadratic polynomial (2,944 words) [view diff] exact match in snippet view article find links to article
unicritical polynomial, i.e. it has one finite critical point in the complex plane, Dynamical plane consist of maximally 2 basins: basin of infinity and
Orbit trap (439 words) [view diff] exact match in snippet view article find links to article
typically used to colour two dimensional fractals representing the complex plane. A point-based orbit trap colours a point based upon how close a function's
Gamma function (13,397 words) [view diff] exact match in snippet view article find links to article
function to a meromorphic function that is holomorphic in the whole complex plane except zero and the negative integers, where the function has simple
Point at infinity (764 words) [view diff] exact match in snippet view article find links to article
can also be added to the complex line (which may be thought of as the complex plane), thereby turning it into a closed surface known as the complex projective
Hyperbolic functions (4,822 words) [view diff] exact match in snippet view article find links to article
result, the other hyperbolic functions are meromorphic in the whole complex plane. By Lindemann–Weierstrass theorem, the hyperbolic functions have a transcendental
Liouville's theorem (complex analysis) (1,930 words) [view diff] exact match in snippet view article
\mathbb {C} \cup \{\infty \}} be the one-point compactification of the complex plane C {\displaystyle \mathbb {C} } . In place of holomorphic functions defined
Uniform boundedness (352 words) [view diff] no match in snippet view article find links to article
In mathematics, a uniformly bounded family of functions is a family of bounded functions that can all be bounded by the same constant. This constant is
Bloch space (136 words) [view diff] exact match in snippet view article find links to article
space of holomorphic functions f defined on the open unit disc D in the complex plane, such that the function ( 1 − | z | 2 ) | f ′ ( z ) | {\displaystyle
Unit hyperbola (1,507 words) [view diff] exact match in snippet view article find links to article
this unit hyperbola group is not compact. Similar to the ordinary complex plane, a point not on the diagonals has a polar decomposition using the parametrization
Airy function (4,030 words) [view diff] exact match in snippet view article find links to article
... As explained below, the Airy functions can be extended to the complex plane, giving entire functions. The asymptotic behaviour of the Airy functions
Regular singular point (1,674 words) [view diff] exact match in snippet view article find links to article
mathematics, in the theory of ordinary differential equations in the complex plane C {\displaystyle \mathbb {C} } , the points of C {\displaystyle \mathbb
Phragmén–Lindelöf principle (1,991 words) [view diff] exact match in snippet view article find links to article
maximum modulus principle cannot be applied to an unbounded region of the complex plane. As a concrete example, let us examine the behavior of the holomorphic
Scorer's function (475 words) [view diff] exact match in snippet view article find links to article
the complex plane from -2-2i to 2+2i with colors created with Mathematica 13.1 function ComplexPlot3D Plot of the Scorer function Hi(z) in the complex plane
Fundamental theorem of algebra (7,721 words) [view diff] exact match in snippet view article find links to article
|p(z)| on the whole complex plane is achieved at z0. If |p(z0)| > 0, then 1/p is a bounded holomorphic function in the entire complex plane since, for each
Subharmonic function (1,833 words) [view diff] exact match in snippet view article find links to article
especially for the study of Hp when 0 < p < 1. In the context of the complex plane, the connection to the convex functions can be realized as well by the
Nyquist stability criterion (3,404 words) [view diff] exact match in snippet view article find links to article
1+G(s)} in the right-half complex plane minus the number of poles of 1 + G ( s ) {\displaystyle 1+G(s)} in the right-half complex plane. If instead, the contour
Trigonometric integral (3,230 words) [view diff] exact match in snippet view article find links to article
Since sinc is an even entire function (holomorphic over the entire complex plane), Si is entire, odd, and the integral in its definition can be taken
Schwarz alternating method (980 words) [view diff] exact match in snippet view article find links to article
the theory of conformal mapping. Given two overlapping regions in the complex plane in each of which the Dirichlet problem could be solved, Schwarz described
Nevanlinna theory (2,603 words) [view diff] exact match in snippet view article find links to article
functions of one complex variable defined in a disc |z| ≤ R or in the whole complex plane (R = ∞). Subsequent generalizations extended Nevanlinna theory to algebroid
Line bundle (1,612 words) [view diff] exact match in snippet view article find links to article
negative reals each to a point; whereas removing the origin from the complex plane yields the 1×1 invertible complex matrices, which have the homotopy
Functional equation (1,636 words) [view diff] exact match in snippet view article find links to article
the gamma function is the unique one that is meromorphic in the whole complex plane, and logarithmically convex for x real and positive (Bohr–Mollerup theorem)
Prime omega function (3,882 words) [view diff] no match in snippet view article find links to article
In number theory, the prime omega functions ω ( n ) {\displaystyle \omega (n)} and Ω ( n ) {\displaystyle \Omega (n)} count the number of prime factors
Position operator (3,119 words) [view diff] exact match in snippet view article find links to article
position-line into the complex plane. It is nothing more than the canonical embedding of the real line into the complex plane. Note 2. The expected value
Resolvent formalism (866 words) [view diff] exact match in snippet view article find links to article
exists a simple closed curve C λ {\displaystyle C_{\lambda }} in the complex plane that separates λ from the rest of the spectrum of A. Then the residue
Infinity (5,984 words) [view diff] exact match in snippet view article find links to article
\infty } can be added to the complex plane as a topological space giving the one-point compactification of the complex plane. When this is done, the resulting
Painlevé transcendents (2,778 words) [view diff] exact match in snippet view article find links to article
certain nonlinear second-order ordinary differential equations in the complex plane with the Painlevé property (the only movable singularities are poles)
Monodromy (1,459 words) [view diff] exact match in snippet view article find links to article
is an analytic function F(z) in some open subset E of the punctured complex plane C ∖ { 0 } {\displaystyle \mathbb {C} \backslash \{0\}} may be continued
Euler product (2,219 words) [view diff] exact match in snippet view article find links to article
proven by Leonhard Euler. This series and its continuation to the entire complex plane would later become known as the Riemann zeta function. In general, if
Error function (7,355 words) [view diff] exact match in snippet view article find links to article
{L_{a}-\mu }{{\sqrt {2}}\sigma }}\right).\end{aligned}}} Plots in the complex plane The property erf (−z) = −erf z means that the error function is an odd
Simply connected space (1,353 words) [view diff] exact match in snippet view article find links to article
continuous function need not be simply connected. Take for example the complex plane under the exponential map: the image is C ∖ { 0 } , {\displaystyle \mathbb
Method of steepest descent (5,057 words) [view diff] exact match in snippet view article find links to article
approximating an integral, where one deforms a contour integral in the complex plane to pass near a stationary point (saddle point), in roughly the direction
Fatou conjecture (60 words) [view diff] exact match in snippet view article find links to article
after Pierre Fatou, states that a quadratic family of maps from the complex plane to itself is hyperbolic for an open dense set of parameters. Świątek
Weierstrass–Enneper parameterization (1,815 words) [view diff] exact match in snippet view article find links to article
{\displaystyle f} and g {\displaystyle g} be functions on either the entire complex plane or the unit disk, where g {\displaystyle g} is meromorphic and f {\displaystyle
Google matrix (1,796 words) [view diff] exact match in snippet view article find links to article
eigenvalues λ i {\displaystyle \lambda _{i}} of Google matrices in the complex plane at α = 1 {\displaystyle \alpha =1} for dictionary networks: Roget (A
Fatou conjecture (60 words) [view diff] exact match in snippet view article find links to article
after Pierre Fatou, states that a quadratic family of maps from the complex plane to itself is hyperbolic for an open dense set of parameters. Świątek
Stokes phenomenon (1,323 words) [view diff] exact match in snippet view article find links to article
asymptotic behavior of functions can differ in different regions of the complex plane. This seemingly gives rise to a paradox when looking at the asymptotic
Schramm–Loewner evolution (2,994 words) [view diff] exact match in snippet view article find links to article
models in statistical mechanics. Given a parameter κ and a domain in the complex plane U, it gives a family of random curves in U, with κ controlling how much
Planar Riemann surface (5,232 words) [view diff] exact match in snippet view article find links to article
surface is conformally equivalent to either the Riemann sphere or the complex plane with slits parallel to the real axis removed. A closed 1-form ω is exact
Euclidean plane isometry (3,410 words) [view diff] no match in snippet view article find links to article
In geometry, a Euclidean plane isometry is an isometry of the Euclidean plane, or more informally, a way of transforming the plane that preserves geometrical
Lehmer–Schur algorithm (1,787 words) [view diff] exact match in snippet view article find links to article
enclosing roots like in the one-dimensional bisection method to the complex plane. It uses the Schur-Cohn test to test increasingly smaller disks for
Generalized continued fraction (8,833 words) [view diff] exact match in snippet view article find links to article
continued fractions that are rapidly convergent almost everywhere in the complex plane. The long continued fraction expression displayed in the introduction
Biholomorphism (557 words) [view diff] exact match in snippet view article find links to article
{\displaystyle n=1,} every simply connected open set other than the whole complex plane is biholomorphic to the unit disc (this is the Riemann mapping theorem)
Picard theorem (995 words) [view diff] exact match in snippet view article find links to article
of values that f ( z ) {\textstyle f(z)} assumes is either the whole complex plane or the plane minus a single point. Sketch of Proof: Picard's original
Dirichlet eta function (3,705 words) [view diff] exact match in snippet view article find links to article
well as another means to extend the definition of eta to the entire complex plane. The zeros of the eta function include all the zeros of the zeta function:
Fixed-point index (341 words) [view diff] exact match in snippet view article find links to article
setting of complex analysis: Let f(z) be a holomorphic mapping on the complex plane, and let z0 be a fixed point of f. Then the function f(z) − z is holomorphic
Poincaré metric (2,101 words) [view diff] exact match in snippet view article find links to article
expressed. These various forms are reviewed below. A metric on the complex plane may be generally expressed in the form d s 2 = λ 2 ( z , z ¯ ) d z d
Dragon curve (1,639 words) [view diff] exact match in snippet view article find links to article
also the limit set of the following iterated function system in the complex plane: f 1 ( z ) = ( 1 + i ) z 2 {\displaystyle f_{1}(z)={\frac {(1+i)z}{2}}}
Directed infinity (181 words) [view diff] exact match in snippet view article find links to article
A directed infinity is a type of infinity in the complex plane that has a defined complex argument θ but an infinite absolute value r. For example, the
Backward Euler method (907 words) [view diff] exact match in snippet view article find links to article
in the complex plane of the disk with radius 1 centered at 1, depicted in the figure. This includes the whole left half of the complex plane, making
Arakelyan's theorem (178 words) [view diff] exact match in snippet view article find links to article
of Mergelyan's theorem from compact subsets of an open subset of the complex plane to relatively closed subsets of an open subset. Let Ω be an open subset
Functional-theoretic algebra (996 words) [view diff] no match in snippet view article find links to article
Any vector space can be made into a unital associative algebra, called functional-theoretic algebra, by defining products in terms of two linear functionals
Infinite product (1,460 words) [view diff] exact match in snippet view article find links to article
function f(z) (that is, every function that is holomorphic over the entire complex plane) can be factored into an infinite product of entire functions, each
Generalized Riemann hypothesis (1,318 words) [view diff] exact match in snippet view article find links to article
(only when χ {\displaystyle \chi } is primitive) defined on the whole complex plane. The generalized Riemann hypothesis asserts that, for every Dirichlet
Operator product expansion (1,042 words) [view diff] exact match in snippet view article find links to article
where increasing time has been mapped to some increasing radius on the complex plane. One is also interested in normal ordering of creation operators. A
Brown measure (330 words) [view diff] exact match in snippet view article find links to article
measure of an operator in a finite factor is a probability measure on the complex plane which may be viewed as an analog of the spectral counting measure (based
Rigidity (mathematics) (753 words) [view diff] exact match in snippet view article
derivatives at a single point. A smooth function from the real line to the complex plane is not, in general, determined by all its derivatives at a single point
Conformal welding (1,123 words) [view diff] exact match in snippet view article find links to article
holomorphic maps f, g of the unit disk and its complement into the extended complex plane, both admitting continuous extensions to the closure of their domains
Exponential sheaf sequence (485 words) [view diff] exact match in snippet view article find links to article
sections; this can be seen for example when M is a punctured disk in the complex plane. The exponential map is surjective on the stalks: Given a germ g of
Positive-real function (1,012 words) [view diff] exact match in snippet view article find links to article
it has a positive real part and is analytic in the right half of the complex plane and takes on real values on the real axis. In symbols the definition
Hypergeometric function (7,121 words) [view diff] exact match in snippet view article find links to article
the second-order differential equation for 2F1(z), examined in the complex plane, could be characterised (on the Riemann sphere) by its three regular
Selberg's zeta function conjecture (591 words) [view diff] exact match in snippet view article find links to article
known that the function has infinitely many zeroes on this line in the complex plane: the point at issue is how densely they are clustered. Results on this
Kelvin functions (1,602 words) [view diff] exact match in snippet view article find links to article
Plot of the Kelvin function ber(z) in the complex plane from -2-2i to 2+2i with colors created with Mathematica 13.1 function ComplexPlot3D
Lambert W function (11,590 words) [view diff] exact match in snippet view article find links to article
are disjoint. The range of the entire multivalued function W is the complex plane. The image of the real axis is the union of the real axis and the quadratrix
Hesse configuration (849 words) [view diff] exact match in snippet view article find links to article
triples of inflection points. If a given set of nine points in the complex plane is the set of inflections of an elliptic curve C, it is also the set
Schwarz's list (904 words) [view diff] exact match in snippet view article find links to article
of the table, for general second-order differential equations in the complex plane, was shown by Felix Klein, who proved a result to the effect that cases
Mittag-Leffler distribution (679 words) [view diff] exact match in snippet view article find links to article
}(Cz),} where the convergence stands for all z {\displaystyle z} in the complex plane if α ∈ ( 0 , 1 ] {\displaystyle \alpha \in (0,1]} , and all z {\displaystyle
Jacobi elliptic functions (12,097 words) [view diff] exact match in snippet view article find links to article
in the m {\displaystyle m} -plane remain to be investigated. In the complex plane of the argument u {\displaystyle u} , the twelve functions form a repeating
Jacobi elliptic functions (12,097 words) [view diff] exact match in snippet view article find links to article
in the m {\displaystyle m} -plane remain to be investigated. In the complex plane of the argument u {\displaystyle u} , the twelve functions form a repeating
Nikolai Georgievich Makarov (770 words) [view diff] exact match in snippet view article find links to article
harmonic measure in the complex plane. Makarov's theorem states that: Let Ω be a simply connected domain in the complex plane. Suppose that ∂Ω (the boundary
Line spectral pairs (805 words) [view diff] exact match in snippet view article find links to article
can be shown that: The roots of P and Q lie on the unit circle in the complex plane. The roots of P alternate with those of Q as we travel around the circle
McCullagh's parametrization of the Cauchy distributions (577 words) [view diff] exact match in snippet view article find links to article
on the sample space only if the parameter space is taken to be the complex plane. In other words, if the random variable Y has a Cauchy distribution
Bijection (2,503 words) [view diff] exact match in snippet view article find links to article
Möbius transformation simply defined on the complex plane, rather than its completion to the extended complex plane. An injective non-surjective function (injection
Rotation matrix (15,019 words) [view diff] no match in snippet view article find links to article
In linear algebra, a rotation matrix is a transformation matrix that is used to perform a rotation in Euclidean space. For example, using the convention
Elliptic function (2,442 words) [view diff] exact match in snippet view article find links to article
\Lambda } acting on C {\displaystyle \mathbb {C} } . Geometrically the complex plane is tiled with parallelograms. Everything that happens in one fundamental
Classification of Fatou components (614 words) [view diff] exact match in snippet view article find links to article
z ) {\displaystyle f={\frac {P(z)}{Q(z)}}} defined in the extended complex plane, and if it is a nonlinear function (degree > 1) d ( f ) = max ( deg
Free particle (1,888 words) [view diff] exact match in snippet view article find links to article
or wave vector k, at angular frequency ω or energy E, is given by a complex plane wave: ψ ( r , t ) = A e i ( k ⋅ r − ω t ) = A e i ( p ⋅ r − E t ) /
Gaussian moat (481 words) [view diff] exact match in snippet view article find links to article
Unsolved problem in mathematics: In the complex plane, is it possible to "walk to infinity" in the Gaussian integers using the Gaussian primes as stepping
Unitary matrix (1,307 words) [view diff] exact match in snippet view article find links to article
det ( U ) {\displaystyle \det(U)} will be on the unit circle of the complex plane. Its eigenspaces are orthogonal. U can be written as U = eiH, where
Index group (376 words) [view diff] exact match in snippet view article find links to article
Therefore, ΛL(H) is the trivial group. Let T denote the unit circle in the complex plane. The algebra C(T) of continuous functions from T to the complex numbers
Circle bundle (993 words) [view diff] exact match in snippet view article find links to article
L} . For example, consider the analytification X {\displaystyle X} a complex plane curve Proj ( C [ x , y , z ] x n + y n + z n ) {\displaystyle
Singular integral operators of convolution type (12,876 words) [view diff] exact match in snippet view article find links to article
transform on the circle and the real line, the Beurling transform in the complex plane and the Riesz transforms in Euclidean space. The continuity of these
Analog signal processing (1,620 words) [view diff] exact match in snippet view article find links to article
transform of any system or signal because it is a transform into the complex plane instead of just the jω line like the Fourier transform. The major difference
Splitting circle method (2,184 words) [view diff] exact match in snippet view article find links to article
{\displaystyle p(x)=x^{n}+p_{n-1}x^{n-1}+\cdots +p_{0}} for any region of the complex plane with a piecewise smooth boundary. Most of those factors will be trivial
Sectrix of Maclaurin (2,647 words) [view diff] no match in snippet view article find links to article
In geometry, a sectrix of Maclaurin is defined as the curve swept out by the point of intersection of two lines which are each revolving at constant rates
Amplitwist (283 words) [view diff] exact match in snippet view article find links to article
amplitwist associated with a given function is its derivative in the complex plane. More formally, it is a complex number z {\displaystyle z} such that
Fourier (381 words) [view diff] exact match in snippet view article find links to article
series, a special case of the Z-transform around the unit circle in the complex plane Discrete Fourier transform (DFT), occasionally called the finite Fourier
De Branges space (389 words) [view diff] exact match in snippet view article find links to article
{\displaystyle |E(z)|>|E({\bar {z}})|} , for all z in the upper half of the complex plane C + = { z ∈ C ∣ Im ⁡ ( z ) > 0 } {\displaystyle \mathbb {C} ^{+}=\{z\in
Complex manifold (1,301 words) [view diff] exact match in snippet view article find links to article
complex manifolds are isomorphic to either: Δ, the unit disk in C C, the complex plane Ĉ, the Riemann sphere Note that there are inclusions between these as
Generator (mathematics) (645 words) [view diff] exact match in snippet view article
The 5th roots of unity in the complex plane under multiplication form a group of order 5. Each non-identity element by itself is a generator for the whole
Monodromy theorem (1,331 words) [view diff] exact match in snippet view article find links to article
made precise below. Let U {\displaystyle U} be an open disk in the complex plane centered at a point P {\displaystyle P} and f : U → C {\displaystyle
Borel measure (1,239 words) [view diff] exact match in snippet view article find links to article
ISBN 0-09-113411-0. Ransford, Thomas (1995). Potential theory in the complex plane. London Mathematical Society Student Texts. Vol. 28. Cambridge: Cambridge
Mellin transform (4,596 words) [view diff] exact match in snippet view article find links to article
notation implies this is a line integral taken over a vertical line in the complex plane, whose real part c need only satisfy a mild lower bound. Conditions
Open mapping theorem (151 words) [view diff] exact match in snippet view article find links to article
a non-constant holomorphic function on a connected open set in the complex plane is an open mapping Open mapping theorem (topological groups), states
Brennan conjecture (272 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \mathbb {C} } with at least two boundary points in the extended complex plane. Let φ {\displaystyle \varphi } be a conformal map of W onto the open
Artin L-function (2,040 words) [view diff] exact match in snippet view article find links to article
a non-trivial irreducible representation ρ is analytic in the whole complex plane. This is known for one-dimensional representations, the L-functions
Z-transform (4,524 words) [view diff] exact match in snippet view article find links to article
circle. The region of convergence (ROC) is the set of points in the complex plane for which the Z-transform summation converges (i.e. doesn't blow up
Anger function (1,151 words) [view diff] exact match in snippet view article find links to article
Plot of the Anger function J v(z) with n=2 in the complex plane from -2-2i to 2+2i with colors created with Mathematica 13.1 function ComplexPlot3D
Cartan's lemma (513 words) [view diff] exact match in snippet view article find links to article
variables: Let a1 < a2 < a3 < a4 and b1 < b2 and define rectangles in the complex plane C by K 1 = { z 1 = x 1 + i y 1 | a 2 < x 1 < a 3 , b 1 < y 1 < b 2 }
J-invariant (5,813 words) [view diff] exact match in snippet view article find links to article
j has the property of mapping the fundamental region to the entire complex plane. Additionally two values τ,τ' ∈H produce the same elliptic curve iff
Douady–Earle extension (2,846 words) [view diff] exact match in snippet view article find links to article
Earle, is a way of extending homeomorphisms of the unit circle in the complex plane to homeomorphisms of the closed unit disk, such that the extension is
Fibered knot (419 words) [view diff] exact match in snippet view article find links to article
complex algebraic geometry. For instance, each singular point of a complex plane curve can be described topologically as the cone on a fibered knot or
Filled Julia set (899 words) [view diff] exact match in snippet view article find links to article
ISBN 978-0-387-15851-8. Bodil Branner : Holomorphic dynamical systems in the complex plane. Department of Mathematics Technical University of Denmark, MAT-Report
Super-logarithm (1,702 words) [view diff] exact match in snippet view article find links to article
functions are defined not only for the real values of argument(s), but to complex plane, and differential and/or integral representation, as well as expansions
Schwarzian derivative (6,945 words) [view diff] exact match in snippet view article find links to article
a=(Sf)(z_{0})} . After a translation, rotation, and scaling of the complex plane, ( M − 1 ∘ f ) ( z ) = {\displaystyle (M^{-1}\circ f)(z)={}} z + z 3
List of things named after Jacques Hadamard (268 words) [view diff] exact match in snippet view article find links to article
the maxima of holomorphic functions within concentric circles in the complex plane. Hadamard three-lines theorem, concerning the maxima of holomorphic
EI (489 words) [view diff] exact match in snippet view article find links to article
horse species Exponential integral, a special function defined on the complex plane given the symbol Ei Education Index, a United Nations measure of the
Birch and Swinnerton-Dyer conjecture (2,957 words) [view diff] exact match in snippet view article find links to article
the complex plane with Re(s) > 3/2. Helmut Hasse conjectured that L(E, s) could be extended by analytic continuation to the whole complex plane. This
Ahlfors theory (1,195 words) [view diff] exact match in snippet view article find links to article
coverings. Suppose now that Z is an open Riemann surface, for example the complex plane or the unit disc, and let Z be equipped with a conformal metric ds.
Multiple time dimensions (1,025 words) [view diff] exact match in snippet view article find links to article
imaginary time dimension, changing time from a real number line into a complex plane. Introducing it into Minkowski spacetime allows a generalization of
Hyperbolic orthogonality (1,183 words) [view diff] exact match in snippet view article find links to article
{\displaystyle z_{1}z_{2}^{*}+z_{1}^{*}z_{2}=0} entails perpendicularity in the complex plane, while w 1 w 2 ∗ + w 1 ∗ w 2 = 0 {\displaystyle w_{1}w_{2}^{*}+w_{1}^{*}w_{2}=0}
Euler's continued fraction formula (4,167 words) [view diff] exact match in snippet view article find links to article
series expansion that converges uniformly on every bounded domain in the complex plane. e x = 1 + ∑ n = 1 ∞ x n n ! = 1 + ∑ n = 1 ∞ ( ∏ i = 1 n x i ) {\displaystyle
H square (361 words) [view diff] exact match in snippet view article find links to article
and C + {\displaystyle \mathbb {C} ^{+}} is the right half of the complex plane. It is more; it is an isomorphism, in that it is invertible, and it
Smooth projective plane (1,679 words) [view diff] exact match in snippet view article find links to article
Theorem. A smooth 4-dimensional plane is isomorphic to the classical complex plane, or dim ⁡ Aut ⁡ P ≤ 6 {\displaystyle \dim \operatorname {Aut} {\mathcal
Submersion (mathematics) (1,636 words) [view diff] exact match in snippet view article
{\displaystyle \mathbb {C} ,\mathbb {C} ^{2}} of the complex line and the complex plane. Note that we should actually remove the points t = 0 , 1 {\displaystyle
Kalles Fraktaler (496 words) [view diff] exact match in snippet view article find links to article
for showing iteration depths or entering location parameters in the complex plane. The via zooming reached location can be saved as a KFR file. The rendered
Function field of an algebraic variety (683 words) [view diff] exact match in snippet view article find links to article
respect to an affine coordinate chart, namely that consisting of the complex plane (all but the north pole of the sphere). On a general variety V, we say
Dissipation factor (628 words) [view diff] exact match in snippet view article find links to article
When representing the electrical circuit parameters as vectors in a complex plane, known as phasors, a capacitor's dissipation factor is equal to the
H square (361 words) [view diff] exact match in snippet view article find links to article
and C + {\displaystyle \mathbb {C} ^{+}} is the right half of the complex plane. It is more; it is an isomorphism, in that it is invertible, and it
Infinite compositions of analytic functions (4,963 words) [view diff] exact match in snippet view article find links to article
_{n+1}-\beta _{n}\right|<\infty } then Fn(z) → λ, a constant in the extended complex plane, for all z. The value of the infinite continued fraction a 1 b 1 + a
Hypocycloid (1,334 words) [view diff] exact match in snippet view article find links to article
diagonal entries for a matrix in SU(3), are precisely the points in the complex plane lying inside a hypocycloid of three cusps (a deltoid). Likewise, summing
Chandrasekhar's H-function (1,229 words) [view diff] no match in snippet view article find links to article
In atmospheric radiation, Chandrasekhar's H-function appears as the solutions of problems involving scattering, introduced by the Indian American astrophysicist
Lindsey–Fox algorithm (2,420 words) [view diff] exact match in snippet view article find links to article
Fourier transform) to very efficiently conduct a grid search in the complex plane to find accurate approximations to the N roots (zeros) of an Nth-degree
Fundamental domain (1,005 words) [view diff] exact match in snippet view article find links to article
A lattice in the complex plane and its fundamental domain, with quotient a torus.
Nevanlinna–Pick interpolation (1,157 words) [view diff] exact match in snippet view article find links to article
interpolates a given set of data, where R is now an arbitrary region of the complex plane. M. B. Abrahamse showed that if the boundary of R consists of finitely
Wrapped normal distribution (1,707 words) [view diff] exact match in snippet view article find links to article
estimator of the mean μ. Viewing the zn as a set of vectors in the complex plane, the R2 statistic is the square of the length of the averaged vector:
Discrete spectrum (mathematics) (851 words) [view diff] exact match in snippet view article
\dots ).} For this operator, the point spectrum is the unit disc of the complex plane, the spectrum is the closure of the unit disc, while the discrete spectrum
Bicorn (410 words) [view diff] exact match in snippet view article find links to article
limaçon, has an ordinary double point at the origin, and two nodes in the complex plane, at x = ± i {\displaystyle x=\pm i} and z = 1 {\displaystyle z=1} .
Entire (71 words) [view diff] exact match in snippet view article find links to article
refer to: Entire function, a function that is holomorphic on the whole complex plane Entire (animal), an indication that an animal is not neutered Entire
Beltrami equation (10,901 words) [view diff] exact match in snippet view article find links to article
Riemann mapping theorem for simply connected bounded open domains in the complex plane. When the domain has smooth boundary, elliptic regularity for the equation
Kenneth Stewart Cole (1,378 words) [view diff] exact match in snippet view article find links to article
expression requires that the locus of the dielectric constant in the complex plane be a circular arc with end points on the axis of reals and center below
Hadamard (disambiguation) (298 words) [view diff] exact match in snippet view article
complex plane; Hadamard three-circle theorem, a bound on the maximum modulus of complex analytic functions defined on an annulus in the complex plane;
Characteristic function (probability theory) (5,267 words) [view diff] exact match in snippet view article
then the domain of the characteristic function can be extended to the complex plane, and φ X ( − i t ) = M X ( t ) . {\displaystyle \varphi _{X}(-it)=M_{X}(t)
Alternating-direction implicit method (3,423 words) [view diff] exact match in snippet view article find links to article
{\displaystyle E} and F {\displaystyle F} are disjoint disks in the complex plane. When less is known about σ ( A ) {\displaystyle \sigma (A)} and σ (
Donald Sarason (1,025 words) [view diff] exact match in snippet view article find links to article
the modern development of function theory on the unit circle in the complex plane. In Sarason he showed that H ∞ + C {\displaystyle H^{\infty }+C} is
Resonance (7,906 words) [view diff] exact match in snippet view article find links to article
For a stable system, the positions of these poles and zeroes on the complex plane give some indication of whether the system can resonate or antiresonate
Normal matrix (1,630 words) [view diff] exact match in snippet view article find links to article
all of its eigenvalues (its spectrum) lie on the unit circle of the complex plane. Proposition — A normal matrix is self-adjoint if and only if its spectrum
Composition operator (730 words) [view diff] exact match in snippet view article find links to article
operator. When the polynomials are orthogonal on some region of the complex plane (viz, in Bergman space), the Jacobi operator is replaced by a Hessenberg
Local martingale (1,608 words) [view diff] exact match in snippet view article find links to article
⁡ | u − 1 | {\displaystyle u\mapsto \ln |u-1|} is harmonic (on the complex plane without the point 1). A localizing sequence may be chosen as τ k = min
Ramification (mathematics) (1,116 words) [view diff] exact match in snippet view article
analysis, the basic model can be taken as the z → zn mapping in the complex plane, near z = 0. This is the standard local picture in Riemann surface theory
Inversive geometry (4,378 words) [view diff] exact match in snippet view article find links to article
the whole plane and so are necessarily conformal. Consider, in the complex plane, the circle of radius r {\displaystyle r} around the point a {\displaystyle
Polygamma function (2,326 words) [view diff] exact match in snippet view article find links to article
Plot of polygamma function in the complex plane from -2-2i to 2+2i with colors created with Mathematica 13.1's function ComplexPlot3D
Wrapped Cauchy distribution (2,032 words) [view diff] exact match in snippet view article find links to article
. Viewing the z n {\displaystyle z_{n}} as a set of vectors in the complex plane, the R ¯ 2 {\displaystyle {\overline {R}}^{2}} statistic is the length
Trefoil knot (1,239 words) [view diff] exact match in snippet view article find links to article
obtained as the intersection in C2 of the unit 3-sphere S3 with the complex plane curve of zeroes of the complex polynomial z2 + w3 (a cuspidal cubic)
Singular integral operators on closed curves (5,028 words) [view diff] exact match in snippet view article find links to article
Cauchy transform, can be defined for any smooth Jordan curve in the complex plane and are related by a simple algebraic formula. In the special case of
Logarithmic integral function (1,104 words) [view diff] exact match in snippet view article find links to article
Plot of the logarithmic integral function li(z) in the complex plane from -2-2i to 2+2i with colors created with Mathematica 13.1 function ComplexPlot3D
Extended real number line (2,129 words) [view diff] exact match in snippet view article find links to article
} on the projectively extended real line. Division by zero Extended complex plane Extended natural numbers Improper integral Infinity Log semiring Series
Dehn twist (749 words) [view diff] exact match in snippet view article find links to article
< 1 } {\displaystyle a(0;0,1)=\{z\in \mathbb {C} :0<|z|<1\}} in the complex plane. By extending to the torus the twisting map ( e i θ , t ) ↦ ( e i (
Polylogarithm (10,172 words) [view diff] exact match in snippet view article find links to article
notation without the subscript. Different polylogarithm functions in the complex plane Li –3(z) Li –2(z) Li –1(z) Li0(z) Li1(z) Li2(z) Li3(z) The polylogarithm
Gyrator–capacitor model (2,689 words) [view diff] exact match in snippet view article find links to article
P=r_{\mathrm {M} }I_{\mathrm {M} }^{2}} The magnetic effective resistance on a complex plane appears as the side of the resistance triangle for magnetic circuit
Isomorphism (3,307 words) [view diff] exact match in snippet view article find links to article
}}} which can be presented as the one-point compactification of the complex plane C ∪ { ∞ } {\displaystyle \mathbb {C} \cup \{\infty \}} or as the complex
Julia set (5,692 words) [view diff] exact match in snippet view article find links to article
} ) Then the filled Julia set for this system is the subset of the complex plane given by K ( f c ) = { z ∈ C : ∀ n ∈ N , | f c n ( z ) | ≤ R }   , {\displaystyle
Interior (topology) (2,250 words) [view diff] exact match in snippet view article
\operatorname {int} \mathbb {Q} =\varnothing } If X {\displaystyle X} is the complex plane C , {\displaystyle \mathbb {C} ,} then int ⁡ ( { z ∈ C : | z | ≤ 1 }
Andrew Browder (562 words) [view diff] case mismatch in snippet view article find links to article
several variables. In 2000 Browder published his article "Topology in the Complex Plane", which described the Brouwer fixed point theorem, the Jordan curve
Cartan's lemma (potential theory) (158 words) [view diff] exact match in snippet view article
found in Levin's book. Let μ be a finite positive Borel measure on the complex plane C with μ(C) = n. Let u(z) be the logarithmic potential of μ: u ( z )
Fuchsian model (662 words) [view diff] exact match in snippet view article find links to article
either the Riemann sphere (the elliptic case) or a quotient of the complex plane by a discrete subgroup (the parabolic case) must be a quotient of the
Z function (1,384 words) [view diff] exact match in snippet view article find links to article
Z function in the complex plane, plotted with a variant of domain coloring.
Weierstrass function (2,287 words) [view diff] exact match in snippet view article find links to article
Technology 2003. Retrieved 28 July 2006. Weierstrass function in the complex plane Beautiful fractal. SpringerLink - Journal of Fourier Analysis and Applications
Addition (9,560 words) [view diff] exact match in snippet view article find links to article
complex plane, the addition has the following geometric interpretation: the sum of two complex numbers A and B, interpreted as points of the complex plane
Spherical wave transformation (7,653 words) [view diff] exact match in snippet view article find links to article
group of the plane (corresponding to the Möbius group of the extended complex plane) is isomorphic to the Lorentz group. A special case of Lie sphere geometry
Jordan normal form (6,853 words) [view diff] exact match in snippet view article find links to article
describe multiplication by λ i {\displaystyle \lambda _{i}} in the complex plane. The superdiagonal blocks are 2×2 identity matrices and hence in this
Montel's theorem (577 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \bigcup _{f\in {\mathcal {F}}}f(U)} is dense in the complex plane. The stronger version of Montel's Theorem (occasionally referred to
Fredholm operator (1,472 words) [view diff] exact match in snippet view article find links to article
T ) {\displaystyle H^{2}(\mathbf {T} )} on the unit circle T in the complex plane, then the shift operator with respect to the orthonormal basis of complex
Univalent (91 words) [view diff] exact match in snippet view article find links to article
function – an injective holomorphic function on an open subset of the complex plane Univalent foundations – a type-based approach to foundation of mathematics
Backward differentiation formula (1,077 words) [view diff] exact match in snippet view article find links to article
the plots below. Ideally, the region contains the left half of the complex plane, in which case the method is said to be A-stable. However, linear multistep
Principal ideal (1,332 words) [view diff] exact match in snippet view article find links to article
non-principal ideal. This ideal forms a regular hexagonal lattice in the complex plane. Consider ( a , b ) = ( 2 , 0 ) {\displaystyle (a,b)=(2,0)} and ( 1
Latitude (6,180 words) [view diff] exact match in snippet view article find links to article
however, involve a generalisation of the conformal latitude to the complex plane). The isometric latitude, ψ, is used in the development of the ellipsoidal
Orthogonal polynomials (1,879 words) [view diff] exact match in snippet view article find links to article
One can also consider orthogonal polynomials for some curve in the complex plane. The most important case (other than real intervals) is when the curve
Von Mises distribution (2,462 words) [view diff] exact match in snippet view article find links to article
. Viewing the z n {\displaystyle z_{n}} as a set of vectors in the complex plane, the R ¯ 2 {\displaystyle {\bar {R}}^{2}} statistic is the square of
Fractal string (2,515 words) [view diff] exact match in snippet view article find links to article
geometric zeta function is not defined to all of the complex plane, we take a subset of the complex plane called the "window", and look for the "visible" complex
Mathematical visualization (756 words) [view diff] exact match in snippet view article find links to article
angles, dimensions and proportions In complex analysis, functions of the complex plane are inherently 4-dimensional, but there is no natural geometric projection
0 (7,926 words) [view diff] exact match in snippet view article find links to article
are extended to form the complex numbers, 0 becomes the origin of the complex plane. The number 0 can be regarded as neither positive nor negative or, alternatively
Three-body problem (5,454 words) [view diff] exact match in snippet view article find links to article
complex singularities in a strip (depending on the value of L) in the complex plane centered around the real axis (related to the Cauchy–Kovalevskaya theorem)
XaoS (610 words) [view diff] case mismatch in snippet view article find links to article
Algorithms, archived from the original on 2014-03-28. Visualizations on the Complex Plane, archived from the original on 2006-10-17 Wikimedia Commons has media
D (disambiguation) (1,086 words) [view diff] exact match in snippet view article
{\displaystyle \mathbb {D} } in blackboard bold, the unit disk in the complex plane, or the decimal fractions; see Number Cohen's d, a statistical measure
Elliptic curve (8,192 words) [view diff] exact match in snippet view article find links to article
affirms that the L-function admits an analytic continuation to the whole complex plane and satisfies a functional equation relating, for any s, L(E, s) to
Hermitian symmetric space (7,418 words) [view diff] exact match in snippet view article find links to article
disk, a homogeneous space for SU(1,1). It is a bounded domain in the complex plane C. The one-point compactification of C, the Riemann sphere, is the dual
Quasiconformal mapping (1,323 words) [view diff] exact match in snippet view article find links to article
under composition. The space of K-quasiconformal mappings from the complex plane to itself mapping three distinct points to three given points is compact
Asymptotic analysis (2,763 words) [view diff] exact match in snippet view article find links to article
_{n=0}^{\infty }w^{n}} The expression on the left is valid on the entire complex plane w ≠ 1 {\displaystyle w\neq 1} , while the right hand side converges
Euler's rotation theorem (4,498 words) [view diff] exact match in snippet view article find links to article
that the eigenvalues of a unitary matrix are on the unit circle in the complex plane: α k ∗ = 1 α k ⟺ α k ∗ α k = | α k | 2 = 1 , k = 1 , … , m . {\displaystyle
Scientific visualization (3,072 words) [view diff] exact match in snippet view article find links to article
interactions performed in 3D. In complex analysis, functions of the complex plane are inherently 4-dimensional, but there is no natural geometric projection
Bandlimiting (1,090 words) [view diff] exact match in snippet view article find links to article
polynomial. All trigonometric polynomials are holomorphic on a whole complex plane, and there is a simple theorem in complex analysis that says that all
Prüfer group (1,137 words) [view diff] exact match in snippet view article find links to article
The Prüfer 2-group with presentation ⟨gn: gn+12 = gn, g12 = e⟩, illustrated as a subgroup of the unit circle in the complex plane
Automorphic form (1,651 words) [view diff] exact match in snippet view article find links to article
The Dedekind eta-function is an automorphic form in the complex plane.
Generating set of a group (1,746 words) [view diff] exact match in snippet view article find links to article
The 5th roots of unity in the complex plane form a group under multiplication. Each non-identity element generates the group.
Bicomplex number (1,767 words) [view diff] exact match in snippet view article find links to article
numbers: the representation of two-dimensional potential flows in the complex plane and the complex exponential function. M.E. Luna-Elizarrarás, M. Shapiro
Gegenbauer polynomials (1,339 words) [view diff] exact match in snippet view article find links to article
Plot of the Gegenbauer polynomial C n^(m)(x) with n=10 and m=1 in the complex plane from -2-2i to 2+2i with colors created with Mathematica 13.1 function
Struve function (1,968 words) [view diff] exact match in snippet view article find links to article
Plot of the Struve function H n(z) with n=2 in the complex plane from -2-2i to 2+2i with colors created with Mathematica 13.1 function ComplexPlot3D
Covering space (6,872 words) [view diff] exact match in snippet view article find links to article
C {\displaystyle \mathbb {C} } the complex plane and C × {\displaystyle \mathbb {C} ^{\times }} the complex plane minus the origin. Then the map p : C
Generating set of a group (1,746 words) [view diff] exact match in snippet view article find links to article
The 5th roots of unity in the complex plane form a group under multiplication. Each non-identity element generates the group.
Orr–Sommerfeld equation (2,651 words) [view diff] exact match in snippet view article find links to article
the form λ = − i α c {\displaystyle \lambda =-i\alpha {c}} ) in the complex plane. The rightmost eigenvalue is the most unstable one. At the critical
Green's theorem (4,023 words) [view diff] exact match in snippet view article find links to article
the integral being a complex contour integral. Proof We regard the complex plane as R 2 {\displaystyle \mathbb {R} ^{2}} . Now, define u , v : R ¯ →
Polar set (potential theory) (296 words) [view diff] exact match in snippet view article
ISBN 0-88275-224-3. Ransford, Thomas (1995). Potential theory in the complex plane. London Mathematical Society Student Texts. Vol. 28. Cambridge: Cambridge
Wright omega function (551 words) [view diff] exact match in snippet view article find links to article
237147028\\\end{array}}} Plots of the Wright omega function on the complex plane z = Re(ω(x + i y)) z = Im(ω(x + i y)) ω(x + i y) Not to be confused
Square root (6,179 words) [view diff] exact match in snippet view article find links to article
Because of the discontinuous nature of the square root function in the complex plane, the following laws are not true in general. z w = z w {\displaystyle
Integral domain (3,124 words) [view diff] exact match in snippet view article find links to article
integral domain. If U {\displaystyle U} is a connected open subset of the complex plane C {\displaystyle \mathbb {C} } , then the ring H ( U ) {\displaystyle
Fundamental parallelogram (50 words) [view diff] exact match in snippet view article find links to article
Fundamental parallelogram may mean: Fundamental pair of periods on the complex plane Primitive cell on the Euclidean plane This disambiguation page lists
Sylvester's law of inertia (1,425 words) [view diff] exact match in snippet view article find links to article
same number of eigenvalues on each open ray from the origin in the complex plane. Metric signature Morse theory Cholesky decomposition Haynsworth inertia
Bernhard Riemann (2,927 words) [view diff] exact match in snippet view article find links to article
Riemann mapping theorem says that a simply connected domain in the complex plane is "biholomorphically equivalent" (i.e. there is a bijection between
Current algebra (832 words) [view diff] exact match in snippet view article find links to article
precise mathematical definition in terms of integration contours on the complex plane, thus avoiding some of the formal divergence difficulties commonly encountered
Low-pass filter (4,640 words) [view diff] exact match in snippet view article find links to article
considering the pattern of poles and zeros of the Laplace transform in the complex plane. (In discrete time, one can similarly consider the Z-transform of the
Modular lambda function (3,503 words) [view diff] exact match in snippet view article find links to article
Little Picard theorem, that an entire non-constant function on the complex plane cannot omit more than one value. This theorem was proved by Picard in
Power rule (2,857 words) [view diff] exact match in snippet view article find links to article
complex number and z {\displaystyle z} is a complex number in a slit complex plane that excludes the branch point of 0 and any branch cut connected to
American Invitational Mathematics Examination (1,004 words) [view diff] exact match in snippet view article find links to article
{\displaystyle a} , b {\displaystyle b} , and c {\displaystyle c} in the complex plane are the vertices of a right triangle with hypotenuse h {\displaystyle
Bisection method (2,426 words) [view diff] exact match in snippet view article find links to article
Lehmer–Schur algorithm, generalization of the bisection method in the complex plane Nested intervals Burden & Faires 1985, p. 31 "Interval Halving (Bisection)"
Deming regression (1,527 words) [view diff] exact match in snippet view article find links to article
a point z j = x j + i y j {\displaystyle z_{j}=x_{j}+iy_{j}} in the complex plane (i.e., the point ( x j , y j ) {\displaystyle (x_{j},y_{j})} where i
Sinc function (2,957 words) [view diff] exact match in snippet view article find links to article
The cardinal sine function sinc(z) plotted in the complex plane from -2-2i to 2+2i