Dehn colorings and vertex-weight invariants for spatial graphs



2021 07 05

15:30 (GMT+0)


Kanako Oshiro

Knots and representation theory

In this talk, we consider Dehn colorings for spatial graphs, and give a family of spatial graph invariants which are called vertex-weight invariants. The invariants are used to give the complete classification for vertex conditions of Dehn colorings.
We give some examples of spatial graphs that can be distinguished by a vertex-weight invariant, whereas distinguished by neither their constituent links nor the number of Dehn colorings with no vertex condition. This is a joint work with Natsumi Oyamaguchi.

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Chicago -8h

Moscow +0h

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