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math.GR2026
Morse and stable subgroups via the coset intersection complex
Tomohiro Fukaya, Haoyang He, Eduardo Martínez-Pedroza +1
In this note, we study the equivalence of Morse and stable subgroups in the framework of the coset intersection complex. Under certain conditions on a coset intersection complex of…
math.GR2025
A Combination Theorem for Geodesic Coarsely Convex Group Pairs
Tomohiro Fukaya, Eduardo Martínez-Pedroza, Takumi Matsuka
The first author and Oguni introduced a class of groups of non-positive curvature, called coarsely convex group. The recent success of the theory of groups which are hyperbolic rel…