A classification of secondary cohomology operations
John W. Rutter (1976)
Colloquium Mathematicae
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John W. Rutter (1976)
Colloquium Mathematicae
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Pierre Berthelot (2012)
Rendiconti del Seminario Matematico della Università di Padova
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Andrzej Czarnecki (2014)
Annales Polonici Mathematici
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A characterisation of trivial 1-cohomology, in terms of some connectedness condition, is presented for a broad class of metric spaces.
Hüttemann, Thomas (2011)
Serdica Mathematical Journal
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2010 Mathematics Subject Classification: Primary 18G35; Secondary 55U15. We consider non-standard totalisation functors for double complexes, involving left or right truncated products. We show how properties of these imply that the algebraic mapping torus of a self map h of a cochain complex of finitely presented modules has trivial negative Novikov cohomology, and has trivial positive Novikov cohomology provided h is a quasi-isomorphism. As an application we obtain a new...
Takeo Ohsawa (1992)
Mathematische Zeitschrift
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Corrado De Concini, Claudio Procesi, Mario Salvetti, Fabio Stumbo (1999)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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Edwin Spanier (1986)
Revista Matemática Iberoamericana
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This paper is devoted to an exposition of cohomology theories on categories of spaces where the cohomology theories satisfy the type of axiom system considered in [1, 12, 16, 17, 18]. The categories considered are C, the category of all compact Haudorff spaces and continuous functions between them, and C, the category of all locally compact Hausdorff spaces and proper continuous functions between them. The fundamental uniqueness theorem for cohomology theories on a finite dimensional...
Dabbour, Abd el-Sattar A., Hijazi, Rola A. (2001)
International Journal of Mathematics and Mathematical Sciences
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Bacon, Philip (1979)
Portugaliae mathematica
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Malakhaltsev, M.A. (1999)
Lobachevskii Journal of Mathematics
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