1 citations · 1 across the 3 of their papers we have counts for
3 papers
math.GT2026
Moving between 3-manifold triangulations is NP-hard
Stephan Tillmann, Anastasiia Tsvietkova
We show that \textsc{number of bistellar moves and sparse degree-two edge collapses for 3-sphere} is NP-hard. It follows that a similar problem for an arbitrary 3-manifold is NP-ha…
math.GT2024★ 1 cited
An invitation to Culler-Shalen theory in arbitrary characteristic
Grace S. Garden, Stephan Tillmann
In the seminal work of Culler and Shalen from 1983, essential surfaces in 3-manifolds are associated to ideal points of their -character varieties, and con…
math.GT2024
Essential tori in 3-manifolds not detected in any characteristic
Grace S. Garden, Benjamin Martin, Stephan Tillmann
Infinite families of 3-dimensional closed graph manifolds and closed Seifert fibered spaces are exhibited, each member of which contains an essential torus not detected by ideal po…