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math.RA2013
Nakayama twisted centers and dual bases of Frobenius cellular algebras
Yanbo Li
For a Frobenius cellular algebra, we prove that if the left (right) dual basis of a cellular basis is again cellular, then the algebra is symmetric. Moreover, some ideals of the ce…
math.RT2013
Projective cell modules of Frobenius cellular algebras
Yanbo Li, Deke Zhao
For a finite dimensional Frobenius cellular algebra, a sufficient and necessary condition for a simple cell module to be projective is given. A special case that dual bases of the…