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Absolutely Supplement And Absolutely Complement Modules/Erdoğan, Sultan Eylem. Alizade, Refail January 2004 (has links) (PDF)
Thesis (Master)--İzmir Institute of Technology, İzmir, 2004. / Includes bibliographical references (leaves. 50-51).
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Problems in homological algebraHaron, Arthur Eric Phillip January 1960 (has links)
No description available.
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Formality and finite ambiguityVerster, Jan Frans January 1982 (has links)
The integral cohomology algebra functor, H*( ;Z), was developed as an aid in distinguishing homotopy types. We consider the problem of when there are only a finite number of homotopy equivalence classes in the collection of simply connected, finite CW complexes, for which the cohomology algebra is isomorphic to a given algebra.
We prove that, if we restrict ourselves to formal homotopy types, the set of such homotopy types is always finite. This is shown by using the concept of distance between homotopy types. We build model spaces so that the distance from a CW complex, whose cohomology is isomorphic to the given algebra, to one of the model spaces can be bounded. General results about distance then imply that the set of homotopy types is finite. Formality is a property of rational homotopy type and we use information obtained from calculations with the minimal models of Sullivan as a guide in the construction of spaces and maps.
As a partial converse, we show that, for every nonformal space, X, there is a homology section, X', of X such that there are an infinite number of different homotopy types with cohomology algebras isomorphic to H*(X';Z) and with the same rational homotopy type as X'.
The dual problem, in the sense of Eckmann-Hilton, is also shown to have similar answers. For the dual problem one would
replace "cohomology algebra" with "Samuelson algebra", "formal" with "coformal", and "homology section" with "Postnikov section".
The result applies to many naturally occuring spaces, such as topological groups, H-spaces, complex and quaternionic projective spaces, Kahler manifolds and MoiSezon spaces. / Science, Faculty of / Mathematics, Department of / Graduate
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Certain well-factored categories.Maxwell, Stephen Jackson, January 1970 (has links)
Thesis--University of Florida. / Manuscript copy. Vita. Description based on print version record. Bibliography: leaf 67.
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The Dieudonne ring for ordinary homology /Elce, Kimberly R., January 2002 (has links)
Thesis (Ph. D.)--University of Oregon, 2002. / Typescript. Includes vita and abstract. Includes bibliographical references (leaf 77). Also available for download via the World Wide Web; free to University of Oregon users.
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An algebraic approach to the wall characteristic /Cohen, S. D. (Stephen David) January 1969 (has links)
No description available.
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A Peano continuum which is homogeneous but not bihomogeneousGammon, Kevin B., Kuperberg, Krystyna, January 2006 (has links) (PDF)
Thesis(M.S.)--Auburn University, 2006. / Abstract. Vita. Includes bibliographic references (p.45).
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Stable cohomology operations in generalized cohomology theoriesPiccinini, Renzo A., January 1967 (has links)
Thesis (Ph. D.)--University of Wisconsin, 1967. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
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Annihilated elements in the homology of powers of infinite complex projective spaceAl-Hajjaj, Haitham Abdulsada R. January 2013 (has links)
No description available.
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An algebraic approach to the wall characteristic /Cohen, S. D. (Stephen David) January 1969 (has links)
No description available.
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