411 REFERENCE · Wiktionary
Pachner move
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
+s
Etymology
Named after Udo Pachner.
Noun
en topology Any of a set of ways of replacing a triangulation of a piecewise linear manifold by a different triangulation of a homoeomorphic manifold.
en bistellar flip
en eponyms