7 citations · 30 across the 38 of their papers we have counts for
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math.GT2021
Presentation of the fundamental groups of complements of shadows
Masaharu Ishikawa, Yuya Koda, Hironobu Naoe
A shadowed polyhedron is a simple polyhedron equipped with half integers on regions, called gleams, which represents a compact, oriented, smooth 4-manifold. The polyhedron is embed…
math.GT2021★ 1 cited
Distance and the Goeritz groups of bridge decompositions
Daiki Iguchi, Yuya Koda
We prove that if the distance of a bridge decomposition of a link with respect to a Heegaard splitting of a -manifold is at least , then the Goeritz group is a finite group.
math.GT2021
Stable maps and hyperbolic links
Ryoga Furutani, Yuya Koda
A stable map of a closed orientable -manifold into the real plane is called a stable map of a link in the manifold if the link is contained in the set of definite fold points. W…