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math.GT2026
Reflections on branched covers
Grigori Avramidi, Boris Okun, Kevin Schreve
A flag complex determines a locally CAT(0) cube complex with the links of all vertices isomorphic to . The fundamental group of is the commutator subgroup of the…
math.GT2026
Embedding complexes into pseudomanifolds
Kasia Jankiewicz, Kevin Schreve
We show that for every finite -dimensional simplicial complex is a deformation retract of a -dimensional pseudomanifold with boundary. Moreover, it embeds as a…