Search for dissertations about: "operads"
Showing result 6 - 10 of 13 swedish dissertations containing the word operads.
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6. Contributions to the theory of operads
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7. Admissible covers, modular operads and modular forms
Abstract : This thesis contains three articles related to operads and moduli spaces of admissible covers of curves. In Paper A we isolate cohomology classes coming from modular forms inside a certain space of admissible covers, thereby showing that this moduli space can be used as a substitute for a Kuga–Sato variety. READ MORE
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8. Homotopy automorphisms, graph complexes, and modular operads
Abstract : This licentiate thesis consists of two papers.In Paper I we identify the cohomology of the stable classifying space of homotopy automorphisms (relative to an embedded disk) of connected sums of S^k × S^l, where 3 ≤ k < l ≤ 2k − 2. We express the result in terms of Lie graph complex homology. READ MORE
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9. Cooking up model structures on ind- and pro-categories
Abstract : This licentiate thesis consists of three papers related to model structures on ind- and pro-categories.In Paper I a general method for constructing simplicial model structures on ind- and pro-categories is described. This method is particularly useful for constructing ``profinite'' analogues of known model categories. READ MORE
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10. Model categories, pro-categories and functors
Abstract : This thesis consists of five papers. The first three are concerned with various model structures on ind- and pro-categories, while the last two are concerned with the homotopy theory of functors.In Paper I, a general method for constructing simplicial model structures on ind- and pro-categories is described and its basic properties are studied. READ MORE