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Title	Geometrization of branched coverings of the sphere and decidability of Thurston equivalence
Creator	Yampolsky, Michael
Publisher	Banff International Research Station for Mathematical Innovation and Discovery
Date Issued	2013-08-08
Description	I will discuss a recent result obtained jointly with M. Braverman and S. Bonnot on the algorithmic decidability of the question whether a postcritically finite branched covering map of the 2-sphere is Thurston equivalent to a rational map. I will further describe the connection of the general question of algorithmic decidability of Thurston equivalence with geometrization of branched coverings, and will present a new theo- rem joint with N. Selinger on an algorithmic construction of a canonical geometrization of a branched covering.
Extent	45 minutes
Subject	Mathematics Differential geometry Manifolds and cell complexes
Type	Moving Image
FileFormat	video/mp4
Language	eng
Notes	Author affiliation: University of Toronto
Series	BIRS Workshop Lecture Videos (Banff, Alta)
Date Available	2014-08-06
Provider	Vancouver : University of British Columbia Library
Rights	Attribution-NonCommercial-NoDerivs 2.5 Canada
DOI	10.14288/1.0043488
URI	http://hdl.handle.net/2429/49433
Affiliation	Non UBC
Peer Review Status	Unreviewed
Scholarly Level	Faculty
Rights URI	http://creativecommons.org/licenses/by-nc-nd/2.5/ca/
AggregatedSourceRepository	DSpace

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