411 REFERENCE · Wiktionary
Sperner's lemma
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
The initial result of this kind was proved by Emanuel Sperner.
Proper noun
en math A combinatorial analog of the Brouwer fixed-point theorem, stating that every Sperner coloring of a triangulation of an n-dimensional simplex contains a cell colored with a complete set of colors.
en eponyms