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searching for Groupoid algebra 3 found (7 total)

Quantum groupoid (162 words) [view diff] exact match in snippet view article find links to article

of representations (by a version of Tannaka–Krein duality), in its groupoid algebra or in the commutative Hopf algebroid of functions on the groupoid.

Weak Hopf algebra (1,232 words) [view diff] exact match in snippet view article find links to article

algebra. Groupoid algebra. Suppose G=(G0,G1){\displaystyle G=(G_{0},G_{1})} is a groupoid and let K[G]{\displaystyle K[G]} be the groupoid algebra, in other

Hopf algebra (4,397 words) [view diff] exact match in snippet view article find links to article

mentioned above. For example, a finite groupoid algebra is a weak Hopf algebra. In particular, the groupoid algebra on [n] with one pair of invertible arrows