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Diophantine invariants of dessins d'enfants Zvonkin, Alexander
Description
During numerous talks and conferences, a question was often raised: How to find a complete set of combinatorial and/or group-theoretic invariants of the Galois action on dessins. We will show that this is impossible. Indeed, sometimes combinatorial orbits of dessins split into several Galois orbits because of some subtle Diophantine relations between degrees of of vertices and faces.
Item Metadata
Title |
Diophantine invariants of dessins d'enfants
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Creator | |
Publisher |
Banff International Research Station for Mathematical Innovation and Discovery
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Date Issued |
2017-09-26T16:21
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Description |
During numerous talks and conferences, a question was often raised: How to find a complete set of combinatorial and/or group-theoretic invariants of the Galois action on dessins. We will show that this is impossible. Indeed, sometimes combinatorial orbits of dessins split into several Galois orbits because of some subtle Diophantine relations between degrees of of vertices and faces.
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Extent |
18 minutes
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Subject | |
Type | |
File Format |
video/mp4
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Language |
eng
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Notes |
Author affiliation: Université de Bordeaux
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Series | |
Date Available |
2018-04-14
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Provider |
Vancouver : University of British Columbia Library
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Rights |
Attribution-NonCommercial-NoDerivatives 4.0 International
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DOI |
10.14288/1.0365621
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URI | |
Affiliation | |
Peer Review Status |
Unreviewed
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Scholarly Level |
Faculty
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Rights URI | |
Aggregated Source Repository |
DSpace
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Rights
Attribution-NonCommercial-NoDerivatives 4.0 International