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Longer titles found: Luke's variational principle (view), Ekeland's variational principle (view), History of variational principles in physics (view), Chandrasekhar's variational principle (view), Schwinger variational principle (view), Herglotz's variational principle (view)

searching for Variational principle 55 found (146 total)

alternate case: variational principle

Causal fermion systems (5,050 words) [view diff] exact match in snippet view article find links to article

physical equations for causal fermion systems are formulated via a variational principle, the so-called causal action principle. Since one works with different

Trace inequality (4,516 words) [view diff] no match in snippet view article find links to article

In mathematics, there are many kinds of inequalities involving matrices and linear operators on Hilbert spaces. This article covers some important operator

Topological entropy (1,744 words) [view diff] exact match in snippet view article find links to article

number of distinguishable orbits of the iterates. An important variational principle relates the notions of topological and measure-theoretic entropy

List of things named after Subrahmanyan Chandrasekhar (99 words) [view diff] case mismatch in snippet view article find links to article

virial equations Chandrasekhar's X- and Y-function Chandrasekhar's Variational Principle Chandra X-ray Observatory 1958 Chandra Himalayan Chandra Telescope

Schwinger–Dyson equation (1,804 words) [view diff] exact match in snippet view article find links to article

diagrams, thus working in a perturbative approach. Starting from his variational principle, Schwinger derived a set of equations for Green's functions non-perturbatively

Einstein–Hilbert action (2,645 words) [view diff] exact match in snippet view article find links to article

proposed by David Hilbert in 1915 as part of his application of the variational principle to a combination of gravity and electromagnetism.: 119 Deriving

Generalized filtering (2,924 words) [view diff] exact match in snippet view article find links to article

filtering scheme for nonlinear state-space models. It is based on a variational principle of least action, formulated in generalized coordinates of motion

Hellmann–Feynman theorem (2,809 words) [view diff] exact match in snippet view article find links to article

to some extent trivial, consequence of the variational principle (the Rayleigh–Ritz variational principle) from which the Schrödinger equation may be

Jerzy Juliusz Kijowski (384 words) [view diff] exact match in snippet view article find links to article

new, completely original variational principle for Einstein equations and the discovery of the affine, variational principle for General Relativity Theory

Closed geodesic (402 words) [view diff] exact match in snippet view article find links to article

is periodic. Closed geodesics can be characterized by means of a variational principle. Denoting by Λ M {\displaystyle \Lambda M} the space of smooth 1-periodic

Hamilton's optico-mechanical analogy (1,851 words) [view diff] exact match in snippet view article find links to article

wavefronts characteristic of a full wave equation, resulting from the variational principle, leads to the corresponding differential equations. The propagation

Bimetric gravity (3,398 words) [view diff] exact match in snippet view article find links to article

one to obtain this tensor from a variational principle. The field equations of BR derived from the variational principle are where N j i = 1 2 γ α β ( g

National Atmospheric Release Advisory Center (546 words) [view diff] exact match in snippet view article find links to article

Non-divergent wind fields are produced by a procedure based on the variational principle and a finite-element discretization. The dispersion model, LODI

Liu Gaolian (371 words) [view diff] case mismatch in snippet view article find links to article

Retrieved 2021-09-22. "VARIATIONAL PRINCIPLES AND GENERALIZED VARIATIONAL PRINCIPLE FOR THREE-DIMENSIONAL TRANSONIC FLOW WITH SHOCK WAVES IN A ROTATING

Smoothed-particle hydrodynamics (9,785 words) [view diff] no match in snippet view article find links to article

Smoothed-particle hydrodynamics (SPH) is a computational method used for simulating the mechanics of continuum media, such as solid mechanics and fluid

Vasily Vladimirov (1,173 words) [view diff] exact match in snippet view article find links to article

doctoral thesis in 1958, which contains the renowned 'Vladimirov variational principle'. Hero of Socialist Labour Two Orders of Lenin Order of the Patriotic

Electronic correlation (1,541 words) [view diff] case mismatch in snippet view article find links to article

the weighting factors c I {\displaystyle c_{I}} according to the Variational Principle. When taking all possible excited determinants, one speaks of Full-CI

Analysis of flows (383 words) [view diff] exact match in snippet view article find links to article

states while preserving the boundary conditions. Because of the variational principle, the action for all of the configurations on the orbit is the same

General Relativity (book) (1,124 words) [view diff] no match in snippet view article

the abstract index notation for tensors. It treats spinors, the variational-principle formulation, the initial-value formulation, (exact) gravitational

Vaclav Zizler (385 words) [view diff] exact match in snippet view article find links to article

Deville, Robert; Godefroy, Gilles; Zizler, Václav (1993), "A smooth variational principle with applications to Hamilton-Jacobi equations in infinite dimensions"

Peter Kramer (physicist) (444 words) [view diff] case mismatch in snippet view article

1981 P. Kramer and M. Saraceno: Geometry of the Time-dependent Variational Principle in Quantum Mechanics. Lecture Notes in Physics 140, Springer, Berlin

List of contributors to general relativity (1,819 words) [view diff] exact match in snippet view article find links to article

Carter (no-hair theorem, Carter constant, black-hole mechanics, variational principle for Ernst vacuums), Subrahmanyan Chandrasekhar (Chandrasekhar limit

Christiane Tammer (381 words) [view diff] exact match in snippet view article find links to article

Jing Hui (2019), "Generalized Gerstewitz's functions and vector variational principle for ϵ {\displaystyle \epsilon } -efficient solutions in the sense

Principle of maximum caliber (573 words) [view diff] exact match in snippet view article find links to article

Ken A. (2015-08-06). "Communication: Maximum caliber is a general variational principle for nonequilibrium statistical mechanics". The Journal of Chemical

Kolmogorov–Arnold–Moser theorem (1,243 words) [view diff] exact match in snippet view article find links to article

2017, retrieved March 29, 2017 Percival, I C (1979-03-01). "A variational principle for invariant tori of fixed frequency". Journal of Physics A: Mathematical

Curvature invariant (general relativity) (1,090 words) [view diff] exact match in snippet view article

sometimes useful tensor generated by I 2 {\displaystyle I_{2}} via a variational principle. Carminati-McLenaghan invariants, for a set of polynomial invariants

Qian Lingxi (1,278 words) [view diff] case mismatch in snippet view article find links to article

Wanxie, On Limit Analysis in Solid Mechanics and Suggest a General Variational Principle, The Science and Technology Commission of the Republic of China

Scale-free ideal gas (409 words) [view diff] no match in snippet view article find links to article

Vesperinas, C.; Plastino, A. (2009). "Zipf's law from a Fisher variational-principle". Physics Letters A. 374 (1): 18–21. arXiv:0908.0501. Bibcode:2009PhLA

François Ledrappier (629 words) [view diff] exact match in snippet view article find links to article

Anantharaman. Ledrappier, François; Walters, Peter (1977). "A relativised variational principle for continuous transformations". Journal of the London Mathematical

Paul Weiss (mathematician) (844 words) [view diff] exact match in snippet view article

(1 August 1936). "On the quantization of a theory arising from a variational principle for multiple integrals with application to Born's electrodynamics"

Free boundary problem (1,642 words) [view diff] exact match in snippet view article find links to article

{\displaystyle -\nabla ^{2}u=f,\qquad u|_{\partial \Omega }=g} satisfy a variational principle, that is to say they minimize the functional E [ u ] = 1 2 ∫ Ω |

Kinetic exchange models of markets (1,567 words) [view diff] case mismatch in snippet view article find links to article

Bibcode:2008arXiv0807.4484G. Chakraborti, A.; Patriarca, M. (2009). "Variational Principle for the Pareto Power Law". Physical Review Letters. 103 (22): 228701

Djairo Guedes de Figueiredo (518 words) [view diff] case mismatch in snippet view article find links to article

Elípticas não Lineares (1977, in Portuguese) Lectures on the Ekeland Variational Principle with Applications and Detours (Springer Verlag, 1989) "Academia

Particle-in-cell (3,438 words) [view diff] exact match in snippet view article find links to article

framework and are directly linked to the perfect form, i.e., the variational principle of physics. Inside the plasma research community, systems of different

Friedwardt Winterberg (2,812 words) [view diff] exact match in snippet view article find links to article

other pages of the proofs, in various forms, including Hilbert's variational principle with correct Lagrangian from which the Field Equation is immediately

Noether's theorem (11,790 words) [view diff] exact match in snippet view article find links to article

It reflects the relation between the boundary conditions and the variational principle. Assuming no boundary terms in the action, Noether's theorem implies

Glauber–Sudarshan P representation (2,600 words) [view diff] exact match in snippet view article find links to article

doi:10.1063/1.1931206. L. Cohen (1976). "Quantization problem and variational principle in the phase space formulation of quantum mechanics". J. Math. Phys

Extremal principles in non-equilibrium thermodynamics (6,097 words) [view diff] exact match in snippet view article find links to article

1103/revmodphys.17.343. S2CID 53386496. Ziman, J.M. (1956). "The general variational principle of transport theory". Canadian Journal of Physics. 34 (12A): 1256–1273

Wheeler–Feynman absorber theory (3,730 words) [view diff] exact match in snippet view article find links to article

This formulation reflects particle-particle symmetry with the variational principle applied to the N-particle system as a whole, and thus Tetrode's

Alexander Kuzemsky (2,296 words) [view diff] case mismatch in snippet view article find links to article

Issue No. 9, p.1430004 (28 pages). DOI: 10.1142/S0217979214300047. Variational Principle of Bogoliubov and Generalized Mean Fields in Many-Particle Interacting

Richard Feynman (14,690 words) [view diff] case mismatch in snippet view article find links to article

NASA. Feynman, Richard P. (1988), "Difficulties in Applying the Variational Principle to Quantum Field Theories", in Polley, L.; Pottinger, D. E. L. (eds

Per-Olov Löwdin (3,676 words) [view diff] exact match in snippet view article find links to article

calculation of asymptotic phases with a numeric study of Hulthen's variational principle". Arkiv för Fysik. 3: 155–166. 1951. Löwdin, Per-Olov (1951). "Calculation

Nikolay Bogolyubov (4,465 words) [view diff] case mismatch in snippet view article find links to article

(in Russian), Doklady Akademii Nauk USSR, 119, 52, 1958. "On One Variational Principle in Many Body Problem" (in Russian), Doklady Akademii Nauk USSR,

Transformation between distributions in time–frequency analysis (1,323 words) [view diff] case mismatch in snippet view article find links to article

781–786, doi:10.1063/1.1931206 L. Cohen, "Quantization Problem and Variational Principle in the Phase Space Formulation of Quantum Mechanics," J. Math. Phys

Lippmann–Schwinger equation (2,565 words) [view diff] exact match in snippet view article find links to article

principles, for example the Schwinger-Lanczos method combining the variational principle of Schwinger with Lanczos algorithm. In the S-matrix formulation

Linear elasticity (8,585 words) [view diff] exact match in snippet view article find links to article

introduces gradients of mass density; (2) it is derivable from a variational principle; (3) it is advantageous for handling traction initial-boundary value

Gauge covariant derivative (4,484 words) [view diff] case mismatch in snippet view article find links to article

Particle Physics in a Nutshell, 2011, Princeton University Press. Tsutomu Kambe, Gauge Principle For Ideal Fluids And Variational Principle. (PDF file.)

Ronald Fisher (8,896 words) [view diff] exact match in snippet view article find links to article

also known as Fisher's scoring, and Minimum Fisher information, a variational principle which, when applied with the proper constraints needed to reproduce

Vortex ring (5,034 words) [view diff] exact match in snippet view article find links to article

phenomenon was provided in terms of energy maximisation invoking a variational principle first reported by Kelvin and later proven by Benjamin (1976), or

Massive gravity (8,981 words) [view diff] exact match in snippet view article find links to article

Ogievetsky and Polubarinov model, it turns out that they need Noether's variational principle together with redefining and conformally improving the energy momentum

List of numerical analysis topics (8,335 words) [view diff] exact match in snippet view article find links to article

integrator — symplectic integrators derived using the underlying variational principle Semi-implicit Euler method — variant of Euler method which is symplectic

Alexander Ramm (4,450 words) [view diff] exact match in snippet view article find links to article

scattering problem with noisy fixed-energy data are obtained. The first variational principle for solving inverse scattering problems which is equivalent to the

Lagrangian coherent structure (10,382 words) [view diff] exact match in snippet view article find links to article

dimensions, parabolic LCSs are also solutions of the global shearless variational principle described above for hyperbolic LCSs. As such, parabolic LCSs are

Source field (9,512 words) [view diff] exact match in snippet view article find links to article

field operator obtained by applying Peierls braket on Schwinger's variational principle, is Π μ ν κ λ ( p ) = 1 2 ( η ¯ μ κ ( p ) η ¯ ν λ ( p ) + η ¯ μ

Linnett double-quartet theory (7,777 words) [view diff] exact match in snippet view article find links to article

for molecules such as benzene, diborane or ozone. Hence, by the variational principle, the wave functions produced by NPSO methods are often a better