a person in the record
Ralf Köhl
Ph.D. Technische Universiteit Eindhoven 2002born 1976
Supervised 3 doctoral students at Christian-Albrechts-Universität zu Kiel; Wikidata names Arjeh M. Cohen, Hans Cuypers, and Sergey Shpectorov as doctoral advisors and lists 10 doctoral students. Linked to Wikidata, ORCID, and 5 other registers.
How to read the markscited by a repository's recordstated by Wikidata or indexed by OpenAlexclaimed on an ORCID list, or inferred
Students3
- cited by a thesis record
Anis Zidani“Arithmetic of Bruhat-Tits Group Schemes over a Semi-Local Dedekind Ring”
2026 · Christian-Albrechts-Universität zu Kiel · doctoral - cited by a thesis record
Paul Zellhofer“Kostant Convexity for split real and complex Kac-Moody Groups”
2025 · Christian-Albrechts-Universität zu Kiel · doctoral - cited by a thesis record
Christian Willy Vock“Galois Descent of Kac–Moody Symmetric Spaces”
2024 · Christian-Albrechts-Universität zu Kiel · doctoral
Advisors on Wikidata3
From Wikidata, shown separately from the thesis records.
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
Students on Wikidata10
From Wikidata, shown separately from the thesis records.
- stated by Wikidataborn 1978
- stated by Wikidataborn 1980
- stated by Wikidataborn 1983
- stated by Wikidataborn 1983
- stated by Wikidataborn 1984
- stated by Wikidataborn 1988
- 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 WikidataArjeh M. Cohenstated by WikidataHans Cuypersstated by WikidataSergey Shpectorov
- 2 steps up
stated by WikidataAlexei Kostrikinstated by WikidataT. A. Springer
- 3 steps up
stated by WikidataHendrik Kloostermanstated by WikidataIgor Shafarevich
- 4 steps up
stated by WikidataBoris Delaunaystated by WikidataJan Cornelis Kluyver
Below them, within 3 steps, the record reaches 14 people: 3 cited by thesis records, 11 stated by Wikidata.
Education and career1
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- undated
Sat beside the lineage1
referee, not advisor
- cited by a thesis record
Thomas Carstensen“On the Detection and Combination of Relatively Quasiconvex Subgroups of Relatively Hyperbolic Groups”
referee · 2023 · Christian-Albrechts-Universität zu Kiel · doctoral