JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) ›› 2026, Vol. 61 ›› Issue (4): 46-51.doi: 10.6040/j.issn.1671-9352.0.2024.043

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Van den Bergh duality for a class of skew Calabi-Yau algebras

LI Wen, LIU Liyu*   

  1. School of Mathematics, Yangzhou University, Yangzhou 225002, Jiangsu, China
  • Published:2026-04-08

Abstract: A class of three-dimensional skew Calabi-Yau algebras is constructed using ungraded Ore extensions of the polynomial algebra in two variables. The Nakayama automorphisms of these skew Calabi-Yau algebras are computed, and the Van den Bergh duality between their Hochschild homology and cohomology is established.

Key words: skew Calabi-Yau algebras, Van den Bergh duality, Nakayama automorphisms, Ore extensions

CLC Number: 

  • O154
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