a person in the record
Ahmed Djebbar
Algerian university teacher and mathematicianborn 1941
Supervised 1 doctoral student at Université Lille 1 - Sciences et Technologies in 2008; Wikidata names Jean Dhombres as doctoral advisor. Linked to Wikidata, Wikipedia, and 4 other registers.

How to read the markscited by a repository's recordstated by Wikidata or indexed by OpenAlex
Students1
- cited by a thesis record
Marc Moyon“La géométrie pratique en Europe en relation avec la tradition arabe, l'exemple du mesurage et du découpage : contribution à l'étude des mathématiques médiévales”
2008 · Université Lille 1 - Sciences et Technologies · doctoral
Advisors on Wikidata1
From Wikidata, shown separately from the thesis records.
- stated by Wikidata
The line above and below4 steps
The advisors of their advisors, four steps up at most, in the thesis records and on Wikidata, each kind marked; a person in both is listed once.
- 1 step up
stated by WikidataJean Dhombres
- 2 steps up
stated by WikidataJean Bass
- 3 steps up
stated by WikidataÉlie Cartan
- 4 steps up
stated by WikidataJean Gaston Darbouxstated by WikidataSophus Lie
Below them, within 3 steps, the record reaches 2 people: 2 cited by thesis records.
Education and career3
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- undatedstudied
- undatedworked
- undatedworked