Masayoshi Nagata
E838587
Masayoshi Nagata was a Japanese mathematician renowned for his influential work in commutative algebra and algebraic geometry, including providing a famous counterexample to Hilbert’s fourteenth problem.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Masayoshi Nagata canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T10055500 — 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: Masayoshi Nagata Context triple: [Hilbert’s fourteenth problem, hasCounterexampleProvidedBy, Masayoshi Nagata]
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A.
Kunihiko Kodaira
Kunihiko Kodaira was a Japanese mathematician renowned for his foundational work in algebraic geometry and complex manifolds, for which he received the Fields Medal in 1954.
-
B.
Kōno Hironaka
Kōno Hironaka was a prominent Japanese politician and activist known for his leadership role in the Freedom and People’s Rights Movement during the Meiji era, advocating for constitutional government and civil liberties.
-
C.
Goro Shimura
Goro Shimura was a Japanese mathematician renowned for his foundational work in number theory and arithmetic geometry, including the Shimura–Taniyama conjecture that played a key role in the proof of Fermat’s Last Theorem.
-
D.
Seiichi Itō
Seiichi Itō was a Japanese admiral in the Imperial Japanese Navy, best known for commanding the battleship Yamato’s final mission during World War II.
-
E.
Oscar Zariski
Oscar Zariski was a pioneering 20th-century mathematician whose work fundamentally shaped modern algebraic geometry through his rigorous, abstract approach and influential textbooks.
- 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: Masayoshi Nagata Target entity description: Masayoshi Nagata was a Japanese mathematician renowned for his influential work in commutative algebra and algebraic geometry, including providing a famous counterexample to Hilbert’s fourteenth problem.
-
A.
Kunihiko Kodaira
Kunihiko Kodaira was a Japanese mathematician renowned for his foundational work in algebraic geometry and complex manifolds, for which he received the Fields Medal in 1954.
-
B.
Kōno Hironaka
Kōno Hironaka was a prominent Japanese politician and activist known for his leadership role in the Freedom and People’s Rights Movement during the Meiji era, advocating for constitutional government and civil liberties.
-
C.
Goro Shimura
Goro Shimura was a Japanese mathematician renowned for his foundational work in number theory and arithmetic geometry, including the Shimura–Taniyama conjecture that played a key role in the proof of Fermat’s Last Theorem.
-
D.
Seiichi Itō
Seiichi Itō was a Japanese admiral in the Imperial Japanese Navy, best known for commanding the battleship Yamato’s final mission during World War II.
-
E.
Oscar Zariski
Oscar Zariski was a pioneering 20th-century mathematician whose work fundamentally shaped modern algebraic geometry through his rigorous, abstract approach and influential textbooks.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
mathematician ⓘ |
| areaOfInfluence |
modern algebraic geometry
ⓘ
modern commutative algebra ⓘ |
| countryOfCitizenship | Japan ⓘ |
| familyName | Nagata ⓘ |
| fieldOfWork |
algebraic geometry
ⓘ
commutative algebra ⓘ mathematics ⓘ |
| gender | male ⓘ |
| givenName | Masayoshi ⓘ |
| hasHonorific | Professor ⓘ |
| influenced | development of counterexamples in algebra ⓘ |
| knownFor |
contributions to algebraic geometry
ⓘ
contributions to commutative algebra ⓘ counterexample to Hilbert's fourteenth problem ⓘ |
| languageOfWorkOrName | Japanese ⓘ |
| name | Masayoshi Nagata ⓘ |
| nationality | Japanese ⓘ |
| notableIdea | use of counterexamples in invariant theory ⓘ |
| notableWork |
Nagata compactification theorem
ⓘ
Nagata dimension theory ⓘ Nagata ring ⓘ Nagata's counterexample ⓘ Nagata–Zariski purity theorem ⓘ counterexample to Hilbert's fourteenth problem ⓘ |
| subjectOf |
biographical articles on Japanese mathematicians
ⓘ
research in commutative algebra history ⓘ |
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: Masayoshi Nagata Description of subject: Masayoshi Nagata was a Japanese mathematician renowned for his influential work in commutative algebra and algebraic geometry, including providing a famous counterexample to Hilbert’s fourteenth problem.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.