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Published in 2019 at "Advances in Applied Clifford Algebras"
DOI: 10.1007/s00006-019-0949-0
Abstract: The main purpose of the present paper is to develop the theory of center constructions on Hom–Hopf algebras. Let H be a Hom–Hopf algebra, we first introduce the notions of nth Yetter–Drinfeld modules and mth…
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Keywords:
hom hopf;
codoubles hom;
algebras drinfeld;
drinfeld codoubles ... See more keywords
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Published in 2021 at "Applied Categorical Structures"
DOI: 10.1007/s10485-021-09659-5
Abstract: We introduce a notion of split extension of (non-associative) bialgebras. We show that this definition is equivalent to the notion of action of (non-associative) bialgebras. We particularize this equivalence to (non-associative) Hopf algebras by defining…
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Keywords:
associative hopf;
extensions actions;
non associative;
hopf algebras ... See more keywords
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Published in 2017 at "Science China Mathematics"
DOI: 10.1007/s11425-015-0867-x
Abstract: We show that two module homomorphisms for groups and Lie algebras established by Xi can be generalized to the setting of quasi-triangular Hopf algebras. These module homomorphisms played a key role in his proof of…
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Keywords:
quasi triangular;
algebras invariant;
hopf algebras;
triangular hopf ... See more keywords
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Published in 2019 at "Advances in Mathematics"
DOI: 10.1016/j.aim.2019.06.018
Abstract: Let $W$ be a Coxeter group. The goal of the paper is to construct new Hopf algebras that contain Hecke algebras $H_{\bf q}(W)$ as (left) coideal subalgebras. Our Hecke-Hopf algebras ${\bf H}(W)$ have a number…
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Keywords:
hopf algebras;
hecke hopf;
group;
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Published in 2020 at "Journal of Algebra"
DOI: 10.1016/j.jalgebra.2019.11.010
Abstract: Let $H$ be a cocommutative Hopf algebra acting on an algebra $A$. Assuming the base field to be algebraically closed and the $H$-action on $A$ to be integral, that is, it is given by a…
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Keywords:
actions cocommutative;
hopf;
algebra;
cocommutative hopf ... See more keywords
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1
Published in 2020 at "Journal of Algebra"
DOI: 10.1016/j.jalgebra.2020.06.024
Abstract: We construct canonical strongly bicovariant differential graded algebra structures on all four flavours of cross product Hopf algebras, namely double cross products $A\hookrightarrow A\bowtie H\hookleftarrow H$, double cross coproducts $A\twoheadleftarrow A {\blacktriangleright\!\!\blacktriangleleft} H\twoheadrightarrow H$, biproducts…
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Keywords:
product hopf;
quantum;
hopf algebras;
cross product ... See more keywords
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Published in 2020 at "Journal of Algebra"
DOI: 10.1016/j.jalgebra.2020.08.012
Abstract: Abstract We discuss relations between some category-theoretical notions for a finite tensor category and cointegrals on a quasi-Hopf algebra. Specifically, for a finite-dimensional quasi-Hopf algebra H, we give an explicit description of categorical cointegrals of…
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Keywords:
quasi hopf;
categorical aspects;
category;
cointegrals quasi ... See more keywords
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3
Published in 2022 at "Journal of Algebra"
DOI: 10.1016/j.jalgebra.2022.04.009
Abstract: We provide a formula for commputing the discriminant of skew Calabi-Yau algebra over a central Calabi-Yau algebra. This method is applied to study the Jacobian and discriminant for reflection Hopf algebras. Introduction Recently, the discriminant…
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Keywords:
calabi yau;
hopf;
algebra;
reflection ... See more keywords
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1
Published in 2017 at "Journal of Pure and Applied Algebra"
DOI: 10.1016/j.jpaa.2017.10.020
Abstract: We study the realizations of certain braided vector spaces of rack type as Yetter-Drinfeld modules over a cosemisimple Hopf algebra H . We apply the strategy developed in [1] to compute their liftings and use…
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Keywords:
copointed hopf;
hopf algebras;
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Published in 2018 at "Communications in Algebra"
DOI: 10.1080/00927872.2018.1448847
Abstract: ABSTRACT We study the connections between one-sided Hopf algebras and one-sided quantum quasigroups, tracking the four possible invertibility conditions for the left and right composite morphisms that combine comultiplications and multiplications in these structures. The…
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Keywords:
one sided;
sided hopf;
hopf algebras;
algebras quantum ... See more keywords
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1
Published in 2019 at "Communications in Algebra"
DOI: 10.1080/00927872.2018.1508582
Abstract: Abstract Let be an algebraically closed field of characteristic zero. We determine all finite-dimensional Hopf algebras over whose Hopf coradical is isomorphic to the unique 12-dimensional Hopf algebra without the dual Chevalley property, such that…
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Keywords:
algebra without;
hopf;
unique dimensional;
dimensional hopf ... See more keywords