Globular PROs and the weak ω-categorification of algebraic theories

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dc.contributor.author Bressie, Phillip M.
dc.date.accessioned 2019-06-05T13:36:02Z
dc.date.available 2019-06-05T13:36:02Z
dc.date.issued 2019-08-01
dc.identifier.uri http://hdl.handle.net/2097/39788
dc.description.abstract Batanin and Leinster's work on globular operads has provided one of many potential definitions of a weak ω-category. Through the language of globular operads they construct a monad whose algebras encode weak ω-categories. The purpose of this work is to show how to construct a similar monad which will allow us to formulate weak ω-categorifications of any equational algebraic theory. We first review the classical theory of operads and PROs. We then present how Leinster's globular operads can be extended to a theory of globular PROs via categorical enrichment over the category of collections. It is then shown how a process called globularization allows us to construct from a classical PRO P a globular PRO whose algebras are those algebras for P which are internal to the category of strict ω-categories and strict ω-functors. Leinster's notion of a contraction structure on a globular operad is then extended to this setting of globular PROs in order to build a monad whose algebras are globular PROs with contraction over the globularization of the classical PRO P. Among these PROs with contraction over P is the globular PRO whose algebras are by construction the fully weakened ω-categorifications of the algebraic theory encoded by P. en_US
dc.language.iso en_US en_US
dc.subject Globular PRO en_US
dc.subject Higher category theory en_US
dc.subject Globular operad en_US
dc.subject Duoidal categories en_US
dc.subject Enriched monoidal categories en_US
dc.subject Monads en_US
dc.title Globular PROs and the weak ω-categorification of algebraic theories 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.date.published 2019 en_US
dc.date.graduationmonth August en_US


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