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Geometrization of branched coverings of the sphere and decidability of Thurston equivalence Yampolsky, Michael 2013-08-08
mp4
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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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https://iiif.library.ubc.ca/presentation/dsp.48630.1-0043488/manifest