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math.GT2026
Product subcomplexes and intersection complexes of weakly special square complexes
Sangrok Oh
We define product subcomplexes and intersection complexes for compact nonpositively curved square complexes and CAT(0) square complexes. Product subcomplexes are defined as equival…
math.GT2026
Cubical structures and the large-scale geometry of graph braid groups
Byung Hee An, Sangrok Oh
We study the large-scale geometry of graph braid groups through the cubical structure of their unordered discrete configuration spaces, focusing on quasi-isometry to right-angled A…