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math.RA2008★ 2 cited
Noncommutative Koszul Algebras from Combinatorial Topology
Thomas Cassidy, Christopher Phan, Brad Shelton
Associated to any uniform finite layered graph Gamma there is a noncommutative graded quadratic algebra A(Gamma) given by a construction due to Gelfand, Retakh, Serconek and Wilson…
math.RA2008★ 3 cited
The Yoneda algebra of a K_2 algebra need not be another K_2 algebra
Thomas Cassidy, Christopher Phan, Brad Shelton
The Yoneda algebra of a Koszul algebra or a D-Koszul algebra is Koszul. K_2 algebras are a natural generalization of Koszul algebras, and one would hope that the Yoneda algebra of…