3 papers
math.RA2026
Ştefan spectral sequence for faithfully flat Hopf Galois extensions is multiplicative
Liyu Liu, Hongguang Nie, Guodong Zhou +1
Let be a Hopf algebra with a bijective antipode over a field and be a flat right -Galois extension. Ştefan constructed a spectral sequence converging to th…
math.KT2026
The Hochschild cohomlogy ring of a self-injective Nakayama algebra is a Batalin-Vilkovisky algebra
Xiuli Bian, Tomohiro Itagaki, Wen Kou +2
Lambre, Zhou and Zimmermann showed that the Hochschild cohomology ring of a Frobenius algebra with semisimple Nakayama automorphism is a Batalin-Vilkovisky algebra. They asked whet…
math.KT2024
The minimal model of Rota-Baxter operad with arbitrary weight
Kai Wang, Guodong Zhou
This paper investigates Rota-Baxter associative algebras of of arbitrary weights, that is, associative algebras endowed with Rota-Baxter operators of arbitrary weights from an oper…