Algebro-geometric Poincaré conjecture for dual complexes
Algebro-geometric Poincaré conjecture for dual complexes
Let be an -dimensional log Calabi–Yau pair, meaning that is a proper variety, is an effective -divisor, is log canonical, and is -linearly trivial. Let be its dual complex, let be the -sphere, and let be the orthogonal group. Algebro-geometric Poincaré conjecture. There exist an integer and a finite subgroup such that
This folklore conjecture was stated as a question by Kollár and Xu and is motivated by viewing dual complexes as combinatorial counterparts of spherical local models; no resolution is supplied here.
Sources & referencesView supporting material
Primary source
Mirko Mauri and Joaquín Moraga, “Birational complexity and dual complexes”, arXiv:2402.10136 (2024).
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