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- W1980392857 abstract "In this paper we investigate the class of the connected graded algebras which are finitely generated in degree 1, which are finitely presented with relations of degrees greater or equal to 2 and which are of finite global dimension D and Gorenstein. For D greater or equal to 4 we add the condition that these algebras are homogeneous and Koszul. It is shown that each such algebra is completely characterized by a multilinear form satisfying a twisted cyclicity condition and some other nondegeneracy conditions depending on the global dimension D . This multilinear form plays the role of a volume form and canonically identifies in the quadratic case to a nontrivial Hochschild cycle of maximal degree. Several examples including the Yang–Mills algebra and the extended 4-dimensional Sklyanin algebra are analyzed in this context. Actions of quantum groups are also investigated." @default.
- W1980392857 created "2016-06-24" @default.
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- W1980392857 date "2007-11-01" @default.
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- W1980392857 title "Multilinear forms and graded algebras" @default.
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- W1980392857 doi "https://doi.org/10.1016/j.jalgebra.2007.02.007" @default.
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