Cocycle condition for multi-pullbacks of algebras
نویسندگان
چکیده
منابع مشابه
Cocycle Deformations for Hopf Algebras with a Coalgebra Projection
In this paper we study Hopf algebras with a coalgebra projection A ∼= R#ξH and their deformations by an H-bilinear cocycle. If γ is a cocycle for A, then γ can be restricted to a cocycle γR for R, and A γ ∼= RR#ξγH. As examples, we consider liftings of B(V )#K[Γ] where Γ is a finite abelian group, V is a quantum plane and B(V ) is its Nichols algebra, and explicitly construct the cocycle which ...
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ژورنال
عنوان ژورنال: Banach Center Publications
سال: 2012
ISSN: 0137-6934,1730-6299
DOI: 10.4064/bc98-0-9