Felix Hausdorff
E151458
Felix Hausdorff was a German mathematician renowned as one of the founders of modern topology and a pioneer in set theory and measure theory.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Felix Hausdorff canonical | 16 |
How this entity was disambiguated
This entity first appeared as the object of triple T1244356 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Felix Hausdorff Context triple: [University of Bonn, hasNotableFaculty, Felix Hausdorff]
-
A.
Abraham Fraenkel
Abraham Fraenkel was a German-Israeli mathematician best known for his foundational work in set theory, particularly his contributions to the axiomatic system now called Zermelo–Fraenkel set theory.
-
B.
Hans Hahn
Hans Hahn was an Austrian mathematician and key member of the Vienna Circle, known for his work in functional analysis and the foundations of mathematics.
-
C.
Stefan Banach
Stefan Banach was a pioneering Polish mathematician and one of the founders of modern functional analysis, known for fundamental contributions to measure theory, topology, and Banach spaces.
-
D.
Georg Cantor
Georg Cantor was a pioneering German mathematician best known for founding set theory and introducing the concept of different sizes of infinity.
-
E.
Bartel Leendert van der Waerden
Bartel Leendert van der Waerden was a Dutch mathematician best known for his foundational work in abstract algebra and contributions to algebraic geometry and number theory.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Felix Hausdorff Target entity description: Felix Hausdorff was a German mathematician renowned as one of the founders of modern topology and a pioneer in set theory and measure theory.
-
A.
Abraham Fraenkel
Abraham Fraenkel was a German-Israeli mathematician best known for his foundational work in set theory, particularly his contributions to the axiomatic system now called Zermelo–Fraenkel set theory.
-
B.
Hans Hahn
Hans Hahn was an Austrian mathematician and key member of the Vienna Circle, known for his work in functional analysis and the foundations of mathematics.
-
C.
Stefan Banach
Stefan Banach was a pioneering Polish mathematician and one of the founders of modern functional analysis, known for fundamental contributions to measure theory, topology, and Banach spaces.
-
D.
Georg Cantor
Georg Cantor was a pioneering German mathematician best known for founding set theory and introducing the concept of different sizes of infinity.
-
E.
Bartel Leendert van der Waerden
Bartel Leendert van der Waerden was a Dutch mathematician best known for his foundational work in abstract algebra and contributions to algebraic geometry and number theory.
- F. None of above. chosen
Statements (54)
| Predicate | Object |
|---|---|
| instanceOf |
German mathematician
ⓘ
human ⓘ mathematician ⓘ |
| academicDegree | doctorate in mathematics ⓘ |
| causeOfDeath | suicide ⓘ |
| countryOfCitizenship |
German Empire
ⓘ
Germany ⓘ |
| dateOfBirth | 1868-11-08 ⓘ |
| dateOfDeath | 1942-01-26 ⓘ |
| educatedAt |
University of Berlin
ⓘ
linked to:
Humboldt University of Berlin
University of Freiburg ⓘ
linked to:
Freiburg University
University of Leipzig ⓘ |
| employer |
University of Bonn
ⓘ
University of Greifswald ⓘ University of Leipzig ⓘ |
| ethnicGroup |
Jewish people
ⓘ
linked to:
Jews
|
| familyName | Hausdorff ⓘ |
| fieldOfWork |
functional analysis
ⓘ
mathematics ⓘ measure theory ⓘ set theory ⓘ topology ⓘ |
| fullName | Felix Hausdorff ⓘ |
| givenName | Felix ⓘ |
| influenced |
20th-century set theory
ⓘ
development of modern topology ⓘ |
| knownFor |
Hausdorff dimension
ⓘ
Hausdorff measure ⓘ Hausdorff metric ⓘ Hausdorff paradox ⓘ
linked to:
Banach–Tarski paradox
Hausdorff space ⓘ
linked to:
Hausdorff
contributions to measure theory ⓘ contributions to set theory ⓘ foundational work in general topology ⓘ |
| languageOfWorkOrName | German ⓘ |
| memberOf |
German Mathematical Society
ⓘ
linked to:
Deutsche Mathematiker-Vereinigung
|
| notableConcept |
Hausdorff dimension
ⓘ
Hausdorff distance ⓘ
linked to:
Hausdorff metric
Hausdorff maximal principle ⓘ Hausdorff measure ⓘ Hausdorff metric ⓘ Hausdorff paradox ⓘ
linked to:
Banach–Tarski paradox
Hausdorff space ⓘ
linked to:
Hausdorff
|
| notableStudent | Wilhelm Süss ⓘ |
| notableWork |
Grundzüge der Mengenlehre
ⓘ
Mengenlehre ⓘ
linked to:
set theory
Set Theory (English translation of Grundzüge der Mengenlehre) ⓘ
linked to:
Grundzüge der Mengenlehre
|
| placeOfBirth |
Breslau
ⓘ
Wrocław ⓘ |
| placeOfDeath | Bonn ⓘ |
| positionHeld |
Professor of Mathematics at the University of Bonn
ⓘ
Professor of Mathematics at the University of Greifswald ⓘ |
| pseudonym | Paul Mongré ⓘ |
| religion | Judaism ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Felix Hausdorff Description of subject: Felix Hausdorff was a German mathematician renowned as one of the founders of modern topology and a pioneer in set theory and measure theory.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.