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Type: Theses
Title: Deformation retractions from spaces of continuous maps onto spaces of holomorphic maps
Author: Chenoweth, Brett Simon
Issue Date: 2016
School/Discipline: School of Mathematical Sciences
Abstract: A fundamental property of an Oka manifold Y is that every continuous map from a Stein manifold X to Y can be deformed to a holomorphic map. In a recent paper, Larusson [19] considers the natural question of whether it is possible to simultaneously deform all continuous maps f from X to Y to holomorphic maps, in a way that depends continuously on f and does not change f if f is holomorphic to begin with. In other words, is 𝒪(X, Y ) a deformation retract of 𝒞 (X, Y )? Larusson provided a partial answer to this question. In this thesis we further develop the work of Larusson on the topological relationship between spaces of continuous maps and spaces of holomorphic maps from Stein manifolds to Oka manifolds, mainly in the context of domains in ℂ. The main tools we use come from complex analysis, Oka theory, algebraic topology and the theory of absolute neighbourhood retracts. One of our main results provides a large supply of infinitely connected domains X in ℂ such that 𝒪(X, ℂ*) is a deformation retract of 𝒞 (X, ℂ*).
Advisor: Larusson, Finnur
Buchdahl, Nicholas
Dissertation Note: Thesis (M.Phil.) -- University of Adelaide, School of Mathematical Sciences, 2016.
Keywords: Deformation retractions
continuous maps
holomorphic maps
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