Alfred Errera
id:
alfred-errera-190-11635764
title:
Alfred Errera
text:
Alfred Errera was a Belgian mathematician. Errera studied at the Université libre de Bruxelles, where he received his Ph.D. in 1921 with dissertation Du coloriage des cartes et de quelques questions d'analysis situs. In his dissertation he introduced what is now called the Errera graph, which is a counterexample to the validity of the alleged proof of the four color theorem by Alfred Kempe. From 1928 to 1956 he was a professor at the Université libre de Bruxelles. He did research on topology, es
brand slug:
wiki
category slug:
encyclopedia
description:
Belgian mathematician
original url:
https://en.wikipedia.org/wiki/Alfred_Errera
date created:
date modified:
2021-07-23T17:10:07Z
main entity:
{"identifier":"Q15453278","url":"https://www.wikidata.org/entity/Q15453278"}
image:
fields total:
13
integrity:
14