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math.AC2013
Dual F-signature of special Cohen-Macaulay modules over cyclic quotient surface singularities
Yusuke Nakajima
The notion of -signature is defined by C. Huneke and G. Leuschke and this numerical invariant characterizes some singularities. This notion is extended to finitely generated mod…
math.AC2013★ 2 cited
Generalized F-signature of invariant subrings
Mitsuyasu Hashimoto, Yusuke Nakajima
It is known that a certain invariant subring has finite -representation type. Thus, we can write the -module as a finite direct sum of finitely many -modules.…