Location:
MSCS 428
Date and Time:
Wednesday, April 12, 2017 - 3:30pm to 4:30pm
Henry Segerman (Oklahoma State University)
Connectivity of the set of triangulations of a 3- or 4-manifold
Abstract: This is joint work with Hyam Rubinstein. Matveev and Piergallini
independently show that the set of triangulations of a three-manifold is
connected under 2-3 and 3-2 Pachner moves, excepting triangulations with
only one tetrahedron. We give a more direct proof of their result which (in
work in progress) allows us to extend the result to triangulations of
four-manifolds.
