摘要 : Let A be a Koszul Artin-Schelter regular algebra with Nakayama automorphism ξ. We show that the Yoneda Ext-algebra of the skew polynomial algebra A[. z; ξ] is a trivial extension of a Frobenius algebra. Then we prove that A[. z; ξ... 展开
作者 | He~ J.-W. Van Oystaeyen~ F. Zhang~ Y. |
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作者单位 | |
期刊名称 | 《Journal of Algebra》 |
总页数 | 19 |
语种/中图分类号 | 英语 / 51.4 |
关键词 | Calabi-Yau algebra Koszul Artin-Schelter regular algebra PBW-deformation Skew polynomial algebra Superpotential |
馆藏号 | N2008EPST0000344 |