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- W4286857939 abstract "In the 1990's, Itenberg and Haas studied the relations between combinatorial data in Viro's patchworking and the topology of the resulting non-singular real algebraic curves in the projective plane. Using recent results from Renaudineau and Shaw on real algebraic curves near the non-singular tropical limit, we continue the study of Itenberg and Haas inside any non-singular projective toric surface. We give new Haas' like criteria for patchworking non-singular real algebraic curves with prescribed number of connected components, in terms of twisted edges on a non-singular tropical curve. We then obtain several sufficient conditions for patchworking non-singular real algebraic curves with only ovals in their real part. One of these sufficient conditions does not depend on the ambient toric surface. In that case, we count the number of even and odd ovals of those curves in terms of the dual subdivision, and construct some new counter-examples to Ragsdale's conjecture." @default.
- W4286857939 created "2022-07-25" @default.
- W4286857939 creator A5062583388 @default.
- W4286857939 date "2021-11-16" @default.
- W4286857939 modified "2023-09-23" @default.
- W4286857939 title "Topology of real algebraic curves near the non-singular tropical limit" @default.
- W4286857939 doi "https://doi.org/10.48550/arxiv.2111.08607" @default.
- W4286857939 hasPublicationYear "2021" @default.
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