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Ideal Triangulations and Once-Punctured Surface Bundles

Ideal Triangulations and Once-Punctured Surface Bundles

来源:Arxiv_logoArxiv
英文摘要

A well-known result of Walsh states that if $\mathcal T^*$ is an ideal triangulation of an atoroidal, acylindrical, irreducible, compact 3-manifold with torus boundary components, then every properly embedded, two-sided, incompressible surface $S$ is isotopic to a spun-normal surface unless $S$ is isotopic to a fiber or virtual fiber. Previously it was unknown if for such a 3-manifold an ideal triangulation in which a fiber spun-normalizes exists. We give a proof of existence and give an algorithm to construct the ideal triangulation provided the 3-manifold has a single boundary component.

Birch Bryant

数学

Birch Bryant.Ideal Triangulations and Once-Punctured Surface Bundles[EB/OL].(2025-05-27)[2025-06-09].https://arxiv.org/abs/2505.21798.点此复制

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