a person in the record
Hans Schwerdtfeger
Mathematician1902 to 1990
Wikidata names Otto Toeplitz as doctoral advisor and lists 7 doctoral students. Linked to Wikidata, Mathematics Genealogy Project, and 6 other registers.

How to read the markscited by a repository's recordstated by Wikidata or indexed by OpenAlexclaimed on an ORCID list, or inferred
Advisors on Wikidata1
From Wikidata, shown separately from the thesis records.
- stated by Wikidata
Students on Wikidata7
From Wikidata, shown separately from the thesis records.
- stated by Wikidataborn 1930
- stated by Wikidataborn 1937
- stated by Wikidataborn 1939
- stated by Wikidataborn 1941
- 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 WikidataOtto Toeplitz
- 2 steps up
stated by WikidataFriedrich Otto Rudolf Sturmstated by WikidataJakob Rosanes
- 3 steps up
stated by WikidataHeinrich Schröter
- 4 steps up
stated by WikidataFriedrich Julius Richelot
Below them, within 3 steps, the record reaches 87 people: 87 stated by Wikidata.
Theses
- stated by Wikidata
Beiträge zum Matricen-Kalkül und zur Theorie der Gruppenmatrix
doctoral thesis, stated by Wikidata
Education and career5
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- from 1940worked
- 1957 to 1983worked
- until 1957worked
- undatedstudied
- undatedstudied