Browsing by Subject "Quadratic algebra"
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Twisting Systems and some Quantum P³s with Point Scheme a Rank-2 Quadric
(2022-05-18)In 1996, J. J. Zhang introduced the concept of twisting a graded algebra by a twisting system, which generalizes the concept of twisting a graded algebra by an automorphism (the latter concept having been introduced in an ...