3-manifolds that can be made acyclic
We determine which 3-manifolds admit a unitary representation such that the corresponding twisted chain complex is acyclic.
math.GT↗
arXiv subjects
Matthias Nagel
Publications and source records attributed to Matthias Nagel.
A specious unlinking strategy
We show that the following unlinking strategy does not always yield an optimal sequence of crossing changes: first split the link with the minimal number of crossing changes, and then unknot the resulting components.
math.GT↗