Alphabeta Math

Bialgebras, Convolution, and Antipode Identities

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  • Literature-sourced: the exact statement appears in a cited source; only wording and notation differ.
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✓ 6 results · all verified · 0 also independently AI-judged
Every result on this page is machine-checked by a proof checker and read in full and owner-audited; the judge is an additional, independent cross-model AI review of the proofs. The 6 not AI-judged were verified by owner audit (typically over a confirmed judge false positive), not failures.
1 · Prerequisites
2 · Logical flowchart

3 · Items

Lemma

The tensor product of two coalgebras is a coalgebra

Definition

Bialgebras and bialgebra maps

Lemma

Convolution of linear maps is associative and unital

Lemma

The two standard bialgebra compatibility formulations are equivalent

Definition

Hopf algebras and antipodes

Theorem

Uniqueness and anti-multiplicativity and anti-comultiplicativity of the antipode

Lemma

Group algebras, finite-group function algebras, and polynomial Hopf algebras

Lemma

A commutative or cocommutative Hopf algebra has involutive antipode

Sources