a person in the record
Bertrand Toen
Also known as Bertrand Toën (Wikidata)
French mathematicianborn 1973
Doctorate at Université Paul Sabatier - Toulouse III in 1999 under Carlos Simpson and Joseph Tapia; Wikidata names Carlos Simpson and Joseph Tapia as doctoral advisors and lists 5 doctoral students. Linked to Wikidata, ORCID, and 7 other registers.

How to read the markscited by a repository's recordstated by Wikidata or indexed by OpenAlexclaimed on an ORCID list, or inferred
Advisors2
The thesis record names Carlos Simpson and Joseph Tapia; Wikidata names Carlos Simpson and Joseph Tapia.
- cited by a thesis record
Carlos Simpson“K-théorie et cohomologie des champs algébriques.”
1999 · Université Paul Sabatier - Toulouse III · doctoral - cited by a thesis record
Joseph Tapia“K-théorie et cohomologie des champs algébriques.”
1999 · Université Paul Sabatier - Toulouse III · doctoral
Advisors on Wikidata2
From Wikidata, shown separately from the thesis records.
- stated by Wikidata
- stated by Wikidata
Students on Wikidata5
From Wikidata, shown separately from the thesis records.
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- 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 WikidataCarlos Simpsoncited by a thesis recordCarlos Simpsonstated by WikidataJoseph Tapiacited by a thesis recordJoseph Tapia
- 2 steps up
stated by WikidataJean Pradinesstated by WikidataWilfried Schmid
- 3 steps up
stated by WikidataCharles Ehresmannstated by WikidataPhillip Griffiths
- 4 steps up
stated by WikidataDonald C. Spencerstated by WikidataÉlie Cartan
Below them, within 3 steps, the record reaches 5 people: 5 stated by Wikidata.
Theses1
- cited by a thesis record
K-théorie et cohomologie des champs algébriques.
1999 · Université Paul Sabatier - Toulouse III · doctoral · in French · the thesis's own page ›
Education and career1
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- undated
Works1
1999 · held from 1 repository · a work missing?
- cited by HAL/TEL OAI's record
K-théorie et cohomologie des champs algébriques.
1999 · doctoral thesis · HAL/TEL OAI
What their ORCID record lists
The works their own ORCID record lists, as they claim them: shown apart from the record's works, never checked or counted with them.
ORCID is asked for the list when this part is opened.
Sat beside the lineage1
jury member, not advisor
- cited by a thesis record
Bertrand Duma“Vers la forme générale du théorème de Grothendieck-Riemann-Roch”
jury member · 2012 · Université Paris-Diderot - Paris VII · doctoral