Groups of simple algebras
Moss E. Sweedler (1974)
Publications Mathématiques de l'IHÉS
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Moss E. Sweedler (1974)
Publications Mathématiques de l'IHÉS
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Antonio G. Rodicio (1989)
Publicacions Matemàtiques
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We give a short proof of the Jacobian criterion of formal smoothness using the Lichtenbaum-Schlessinger cotangent complex.
Amnon Yekutieli (1995)
Compositio Mathematica
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Crivei, Iuliu (2005)
International Journal of Mathematics and Mathematical Sciences
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Sangwon Park (2001)
Czechoslovak Mathematical Journal
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In this paper we compute injective, projective and flat dimensions of inverse polynomial modules as -modules. We also generalize Hom and Ext functors of inverse polynomial modules to any submonoid but we show Tor functor of inverse polynomial modules can be generalized only for a symmetric submonoid.
Simion Breaz (2003)
Czechoslovak Mathematical Journal
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We present general properties for almost-flat modules and we prove that a self-small right module is almost flat as a left module over its endomorphism ring if and only if the class of -static modules is closed under the kernels.