Lipót Fejér
E453128
Lipót Fejér was a Hungarian mathematician renowned for his fundamental contributions to harmonic analysis and Fourier series, and for mentoring a generation of influential mathematicians.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Lipót Fejér canonical | 4 |
| Leopold Fejér | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4552566 — 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: Lipót Fejér Context triple: [Gábor Szegő, doctoralAdvisor, Lipót Fejér]
-
A.
Gábor Szegő
Gábor Szegő was a Hungarian-American mathematician renowned for his contributions to analysis, particularly in the theory of orthogonal polynomials and Toeplitz matrices.
-
B.
Frigyes Riesz
Frigyes Riesz was a Hungarian mathematician renowned for his foundational contributions to functional analysis and measure theory.
-
C.
Pál Turán
Pál Turán was a Hungarian mathematician renowned for his influential work in number theory and combinatorics, including the development of Turán's theorem in extremal graph theory.
-
D.
Imre Lipschitz
Imre Lipschitz, better known as Imre Lakatos, was a Hungarian-born philosopher of mathematics and science renowned for his work on the methodology of scientific research programmes.
-
E.
Pál Losonczi
Pál Losonczi was a Hungarian communist politician who served as Chairman of the Presidential Council of the Hungarian People's Republic from 1967 to 1987, effectively acting as the country's head of state.
- 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: Lipót Fejér Target entity description: Lipót Fejér was a Hungarian mathematician renowned for his fundamental contributions to harmonic analysis and Fourier series, and for mentoring a generation of influential mathematicians.
-
A.
Gábor Szegő
Gábor Szegő was a Hungarian-American mathematician renowned for his contributions to analysis, particularly in the theory of orthogonal polynomials and Toeplitz matrices.
-
B.
Frigyes Riesz
Frigyes Riesz was a Hungarian mathematician renowned for his foundational contributions to functional analysis and measure theory.
-
C.
Pál Turán
Pál Turán was a Hungarian mathematician renowned for his influential work in number theory and combinatorics, including the development of Turán's theorem in extremal graph theory.
-
D.
Imre Lipschitz
Imre Lipschitz, better known as Imre Lakatos, was a Hungarian-born philosopher of mathematics and science renowned for his work on the methodology of scientific research programmes.
-
E.
Pál Losonczi
Pál Losonczi was a Hungarian communist politician who served as Chairman of the Presidential Council of the Hungarian People's Republic from 1967 to 1987, effectively acting as the country's head of state.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Hungarian mathematician
ⓘ
human ⓘ mathematician ⓘ |
| birthDate | 1880-02-09 ⓘ |
| birthName | Leopold Weisz NERFINISHED ⓘ |
| birthPlace |
Kingdom of Hungary
NERFINISHED
ⓘ
Pécs NERFINISHED ⓘ |
| countryOfCitizenship | Hungary ⓘ |
| deathDate | 1959-10-15 ⓘ |
| deathPlace |
Budapest
NERFINISHED
ⓘ
Hungary NERFINISHED ⓘ |
| doctoralAdvisor | Hermann Schwarz NERFINISHED ⓘ |
| educatedAt |
Humboldt University of Berlin
ⓘ
surface form:
University of Berlin
University of Budapest NERFINISHED ⓘ |
| employer | Eötvös Loránd University NERFINISHED ⓘ |
| ethnicGroup | Hungarian Jews NERFINISHED ⓘ |
| familyName | Fejér NERFINISHED ⓘ |
| fieldOfWork |
Fourier analysis
ⓘ
approximation theory ⓘ complex analysis ⓘ harmonic analysis ⓘ mathematics ⓘ |
| gender | male ⓘ |
| givenName | Lipót NERFINISHED ⓘ |
| influenced |
20th-century harmonic analysis
ⓘ
Hungarian school of analysis NERFINISHED ⓘ |
| knownFor |
Fejér kernel
NERFINISHED
ⓘ
Fejér’s theorem on Fourier series NERFINISHED ⓘ fundamental contributions to harmonic analysis ⓘ mentoring a generation of influential mathematicians ⓘ work on Fourier series ⓘ |
| languageOfWorkOrName |
German
ⓘ
Hungarian ⓘ |
| memberOf | Hungarian Academy of Sciences NERFINISHED ⓘ |
| name | Lipót Fejér NERFINISHED ⓘ |
| nativeLanguage | Hungarian ⓘ |
| notableWork |
introduction of Fejér means
ⓘ
papers on the summability of Fourier series ⓘ |
| placeOfBurial | Budapest NERFINISHED ⓘ |
| positionHeld | professor of mathematics at Eötvös Loránd University ⓘ |
| religion | Judaism ⓘ |
| student |
Frigyes Riesz
NERFINISHED
ⓘ
George Pólya NERFINISHED ⓘ Gábor Szegő NERFINISHED ⓘ John von Neumann NERFINISHED ⓘ Marcel Riesz NERFINISHED ⓘ Pál Turán NERFINISHED ⓘ |
| workLocation | Budapest NERFINISHED ⓘ |
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: Lipót Fejér Description of subject: Lipót Fejér was a Hungarian mathematician renowned for his fundamental contributions to harmonic analysis and Fourier series, and for mentoring a generation of influential mathematicians.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Leopold Fejér