The Ceresa class and tropical curves of hyperelliptic type
We define a new algebraic invariant of a graph G called the Ceresa–Zharkov class and show that it is trivial if and only if G is of hyperelliptic type, equivalently, G does not have as a minor the complete graph on four vertices or the loop of three loops. After choosing edge lengths, this class spe...
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| Principais autores: | , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Cambridge University Press
2024-01-01
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| coleção: | Forum of Mathematics, Sigma |
| Assuntos: | |
| Acesso em linha: | https://www.cambridge.org/core/product/identifier/S2050509424000367/type/journal_article |
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