A short note on the non-negativity of partial Euler characteristics.
Puthenpurakal, Tony J. (2005)
Beiträge zur Algebra und Geometrie
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Puthenpurakal, Tony J. (2005)
Beiträge zur Algebra und Geometrie
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Yaroslav Kopylov (2009)
Annales mathématiques Blaise Pascal
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We extend some results by Goldshtein, Kuzminov, and Shvedov about the -cohomology of warped cylinders to -cohomology for . As an application, we establish some sufficient conditions for the nontriviality of the -torsion of a surface of revolution.
Beligiannis, Apostolos, Krause, Henning (2003)
Beiträge zur Algebra und Geometrie
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K. Khashyarmanesh, Sh. Salarian (1998)
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Achilles, Rüdiger, Stückrad, Jürgen (2007)
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Kreuzer, Martin (2007)
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Benhissi, Ali (2007)
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A. Caruth (1993)
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Solčan, Š. (2000)
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K. Samei (2000)
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The space of maximal ideals is studied on semiprimitive rings and reduced rings, and the relation between topological properties of Max(R) and algebric properties of the ring R are investigated. The socle of semiprimitive rings is characterized homologically, and it is shown that the socle is a direct sum of its localizations with respect to isolated maximal ideals. We observe that the Goldie dimension of a semiprimitive ring R is equal to the Suslin number of Max(R).