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How do you define a right coadjoint action?

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#hopf-algebras #coadjoint-action
92
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What is the dual Hopf algebra of T(V)?

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#reference-request #tensor-products #hopf-algebras #algebras #rough-path-theory
26
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Coalgebra presentation in terms of generators and relations?

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#abstract-algebra #hopf-algebras #coalgebras
33
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How to show that $v$ is invertible in $H\ $?

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#hopf-algebras #quantum-groups
24
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Why the enveloping algebra of a Lie algebra is a bialgebra?

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#abstract-algebra #lie-algebras #hopf-algebras
105
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Is the preimage of a Hopf subalgebra a Hopf subalgebra?

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#hopf-algebras #quantum-groups #noncommutative-geometry
49
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Are any subalgebras of the steenrod algebra isomorphic to the group algebra over for some group?

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#homotopy-theory #hopf-algebras
103
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Showing that the comultiplication map $E_*E\to E_*E\otimes E_*E$ is co-associative for a flat homotopy commutative ring spectrum

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#homotopy-theory #hopf-algebras #stable-homotopy-theory
121
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Equivalent definitions of Hopf algebras

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#abstract-algebra #hopf-algebras #algebras #coalgebras
51
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Are the group-like elements of a finite dimensional Hopf algebra finite?

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#abstract-algebra #hopf-algebras #grouplike-elements
41
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Explicit 2-cocycle on a Hopf algebra

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#abstract-algebra #hopf-algebras
28
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Hatcher hopf algebra sign convention

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#algebraic-topology #hopf-algebras #convention
54
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Shuffle product is skew-commutative?

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#abstract-algebra #homology-cohomology #homological-algebra #tensor-products #hopf-algebras
24
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Definition of equivalent representation of Hopf algebras

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#representation-theory #hopf-algebras
18
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Are antipodes of free, finite rank Hopf algebras over general rings invertible?

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#hopf-algebras

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