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A study of the geometric and algebraic sewing operations

Posted on:2011-09-10Degree:M.ScType:Thesis
University:University of Manitoba (Canada)Candidate:Penfound, BryanFull Text:PDF
GTID:2441390002458484Subject:Applied Mathematics
Abstract/Summary:
The sewing operation is an integral component of both Geometric Function Theory and Conformal Field Theory and in this thesis we explore the interplay between the two fields. We will first generalize Huang's Geometric Sewing Equation to the quasi-symmetric case. That is, given specific maps g(z) and f-1( z), we show the existence of the sewing maps F 1(z) and F2(z). Second, we display an algebraic procedure using convergent matrix operations showing that the coefficients of the Conformal Welding Theorem maps F(z) and G(z) are dependent on the coefficients of the map &phis;. We do this for both the analytic and quasi-symmetric cases, and it is done using a special block/vector decomposition of a matrix representation called the power matrix. Lastly, we provide a partial result: given specific maps g( z) and f-1(z) with analytic extensions, as well as a particular analytic map &phis;, it is possible to provide a method of determining the coefficients of the complementary maps.
Keywords/Search Tags:Sewing, Geometric, Maps
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