Browsing by Author "Torres Nova, Yerko Alejandro"
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- ItemOn the geography of 3-folds via asymptotic behavior of invariants(2023) Torres Nova, Yerko Alejandro; Urzúa Elia, Giancarlo A.; Pontificia Universidad Católica de Chile. Facultad de MatemáticasRoughly speaking, the problem of geography asks for the existence of varieties of general type after we fix some invariants. In dimension 1, where we fix the genus, the geography question is trivial, but already in dimension 2 it becomes a hard problem in general. In higher dimensions, this problem is essentially wide open. In this paper, we focus on geography in dimension 3. We generalize the techniques which compare the geography of surfaces with the geography of arrangements of curves via asymptotic constructions. In dimension 2 this involves resolutions of cyclic quotient singularities and a certain asymptotic behavior of the associated Dedekind sums and continued fractions. We discuss the general situation with emphasis in dimension 3, analyzing the singularities and various resolutions that show up, and proving results about the asymptotic behavior of the invariants we fix.