Algebraic deformation of a monoidal category

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dc.contributor.author Shrestha, Tej Bahadur
dc.date.accessioned 2010-10-28T18:09:55Z
dc.date.available 2010-10-28T18:09:55Z
dc.date.issued 2010-10-28T18:09:55Z
dc.identifier.uri http://hdl.handle.net/2097/6393
dc.description.abstract This dissertation begins the development of the deformation theorem of monoidal categories which accounts for the function that all arrow-valued operations, composition, the arrow part of the monoidal product, and structural natural transformation are deformed. The first chapter is review of algebra deformation theory. It includes the Hochschild complex of an algebra, Gerstenhaber's deformation theory of rings and algebras, Yetter's deformation theory of a monoidal category, Gerstenhaber and Schack's bialgebra deformation theory and Markl and Shnider's deformation theory for Drinfel'd algebras. The second chapter examines deformations of a small $k$-linear monoidal category. It examines deformations beginning with a naive computational approach to discover that as in Markl and Shnider's theory for Drinfel'd algebras, deformations of monoidal categories are governed by the cohomology of a multicomplex. The standard results concerning first order deformations are established. Obstructions are shown to be cocycles in the special case of strict monoidal categories when one of composition or tensor or the associator is left undeformed. At the end there is a brief conclusion with conjectures. en_US
dc.language.iso en_US en_US
dc.publisher Kansas State University en
dc.subject Algebraic Deformation of a Monoidal Category en_US
dc.subject Yetter complex and Hochschild complex of monoidal category en_US
dc.title Algebraic deformation of a monoidal category en_US
dc.type Dissertation en_US
dc.description.degree Doctor of Philosophy en_US
dc.description.level Doctoral en_US
dc.description.department Department of Mathematics en_US
dc.description.advisor David Yetter en_US
dc.subject.umi Mathematics (0405) en_US
dc.date.published 2010 en_US
dc.date.graduationmonth December en_US


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