Choi–Greene–Lee–Marquis local surjectivity conjecture for weakly orderable orbifolds

Let PP be a polyhedron with a set of vertices V\mathcal{V}, and suppose that PP is weakly V\mathcal{V}-orderable. Let O\mathcal{O} be a Coxeter orbifold structure on PP with an ideal or hyperideal end structure, and let VO\partial_{\mathcal{V}}\mathcal{O} be the disjoint union of the end orbifolds corresponding to V\mathcal{V}. Let D(O)\mathfrak{D}(\mathcal{O}) and D(VO)\mathfrak{D}(\partial_{\mathcal{V}}\mathcal{O}) denote the corresponding deformation spaces, and let the hyperbolic point be the point determined by the hyperbolic structure. Choi–Greene–Lee–Marquis local surjectivity conjecture. The function

D(O)D(VO)\mathfrak{D}(\mathcal{O})\longrightarrow\mathfrak{D}(\partial_{\mathcal{V}}\mathcal{O})

is locally surjective at the hyperbolic point. This is a local version of the preceding end-mapping conjecture, asserting that nearby end deformations are induced by nearby global deformations; no resolution is given in the supplied text.

Sources & referencesView supporting material

Primary source

Suhyoung Choi, “Real projective orbifolds with ends and their deformation theory: The deformation theory for nicest ones”, arXiv:2503.00438 (2025).

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