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math.RA2004
Dualizing complex of the incidence algebra of a finite regular cell complex
Kohji Yanagawa
Let be a finite regular cell complex with , and regard it as a partially ordered set (poset) by inclusion. Let be the incidence algebra of the poset ov…
math.AC2004
BGG correspondence and Roemer's theorem on an exterior algebra
Kohji Yanagawa
Let E = K< y_1, ..., y_n > be the exterior algebra. The ``(cohomological) distinguished pairs" of a graded E-module M describe the growth of a minimal graded injective resolution o…