Jean Leray
E676180
Jean Leray was a French mathematician renowned for his foundational work in algebraic topology and partial differential equations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jean Leray canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T7553233 — 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: Jean Leray Context triple: [Bourbaki school of mathematics, hasMember, Jean Leray]
-
A.
Émile Picard
Émile Picard was a prominent French mathematician known for his fundamental contributions to complex analysis and algebraic geometry, including Picard's theorems.
-
B.
Jean Cartan
Jean Cartan was a French composer of the early 20th century known for his chamber and piano works before his career was cut short by his early death.
-
C.
Jacques-Louis Lions
Jacques-Louis Lions was a prominent French mathematician renowned for his fundamental contributions to partial differential equations and control theory.
-
D.
Charles Ehresmann
Charles Ehresmann was a French mathematician known for his foundational work in differential topology and category theory, including the development of concepts such as fiber bundles and Lie groupoids.
-
E.
Jacques Hadamard
Jacques Hadamard was a prominent French mathematician known for his fundamental contributions to number theory, complex analysis, and partial differential equations, including the prime number theorem and the concept of well-posed problems.
- 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: Jean Leray Target entity description: Jean Leray was a French mathematician renowned for his foundational work in algebraic topology and partial differential equations.
-
A.
Émile Picard
Émile Picard was a prominent French mathematician known for his fundamental contributions to complex analysis and algebraic geometry, including Picard's theorems.
-
B.
Jean Cartan
Jean Cartan was a French composer of the early 20th century known for his chamber and piano works before his career was cut short by his early death.
-
C.
Jacques-Louis Lions
Jacques-Louis Lions was a prominent French mathematician renowned for his fundamental contributions to partial differential equations and control theory.
-
D.
Charles Ehresmann
Charles Ehresmann was a French mathematician known for his foundational work in differential topology and category theory, including the development of concepts such as fiber bundles and Lie groupoids.
-
E.
Jacques Hadamard
Jacques Hadamard was a prominent French mathematician known for his fundamental contributions to number theory, complex analysis, and partial differential equations, including the prime number theorem and the concept of well-posed problems.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
mathematician ⓘ |
| areaOfInfluence |
modern algebraic topology
ⓘ
theory of nonlinear partial differential equations ⓘ |
| awardReceived |
Grand Prix des Sciences Mathématiques
ⓘ
linked to:
Grand Prix of the French Academy of Sciences
Lomonosov Gold Medal ⓘ Wolf Prize in Mathematics ⓘ |
| countryOfCitizenship | France ⓘ |
| dateOfBirth | 1906-11-07 ⓘ |
| dateOfDeath | 1998-11-10 ⓘ |
| educatedAt |
École Normale Supérieure
ⓘ
linked to:
École Normale (Paris)
|
| employer |
Collège de France
ⓘ
University of Nancy ⓘ |
| familyName | Leray ⓘ |
| fieldOfWork |
algebraic topology
ⓘ
fluid mechanics ⓘ functional analysis ⓘ mathematics ⓘ partial differential equations ⓘ |
| givenName | Jean ⓘ |
| influenced |
development of sheaf cohomology
ⓘ
modern homological algebra ⓘ |
| knownFor |
Leray spectral sequence
ⓘ
Leray–Hirsch theorem ⓘ
linked to:
Leray–Hirsch theorem for sphere bundles
Leray–Schauder degree ⓘ foundational work in algebraic topology ⓘ weak solutions of Navier–Stokes equations ⓘ work on partial differential equations ⓘ work on sheaf theory precursors ⓘ |
| memberOf |
Académie des Sciences
ⓘ
Bourbaki group (early meetings) ⓘ
linked to:
Nicolas Bourbaki
|
| militaryConflict | World War II ⓘ |
| name | Jean Leray ⓘ |
| nationality | French ⓘ |
| notableEvent | developed ideas of sheaf theory while prisoner of war ⓘ |
| notableIdea |
Leray regularization for Navier–Stokes equations
ⓘ
Leray spectral sequence ⓘ Leray–Schauder fixed point theorem ⓘ
linked to:
Schauder fixed-point theorem
|
| placeOfBirth |
Chantenay-sur-Loire
ⓘ
France ⓘ Loire-Atlantique ⓘ |
| placeOfDeath |
France
ⓘ
La Baule-Escoublac ⓘ Loire-Atlantique ⓘ |
| positionHeld | professor at Collège de France ⓘ |
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: Jean Leray Description of subject: Jean Leray was a French mathematician renowned for his foundational work in algebraic topology and partial differential equations.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.