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- Q220478 description "hungarian mathematician".
- Q220478 description "hungarian mathematician".
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- Q220478 abstract "László Rédei (Rákoskeresztúr, 15 November 1900—Budapest, 21 November 1980) was a Hungarian mathematician.He graduated from the University of Budapest and initially worked as a schoolteacher. In 1940 he was appointed professor in the University of Szeged and in 1967 moved to the Mathematical Institute of the Hungarian Academy of Sciences in Budapest.His mathematical work was in algebraic number theory and abstract algebra, especially group theory. He proved that every finite tournament contains an odd number of Hamiltonian paths. He gave several proofs of the theorem on quadratic reciprocity. He proved important results concerning the invariants of the class groups of quadratic number fields. In several cases, he determined if the ring of integers of the real quadratic field Q(√d) is Euclidean or not. He successfully generalized Hajós's theorem. This led him to the investigations of lacunary polynomials over finite fields, which he eventually published in a book. He introduced a very general notion of skew product of groups, both the Schreier-extension and the Zappa–Szép product are special case of. He explicitly determined those finite noncommutative groups whose all proper subgroups were commutative (1947). This is one of the very early results which eventually led to the classification of all finite simple groups.He was the president of the János Bolyai Mathematical Society (1947–1949). He was awarded the Kossuth Prize twice. He was elected corresponding member (1949), full member (1955) of the Hungarian Academy of Sciences.".
- Q220478 birthDate "1900".
- Q220478 birthYear "1900".
- Q220478 deathDate "1980".
- Q220478 deathYear "1980".
- Q220478 thumbnail László_Rédei_(1900-1981)_Hungarian_mathematician.jpg?width=300.
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- Q220478 dateOfBirth "1900".
- Q220478 dateOfDeath "1980".
- Q220478 name "Redei, Laszlo".
- Q220478 shortDescription "hungarian mathematician".
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- Q220478 comment "László Rédei (Rákoskeresztúr, 15 November 1900—Budapest, 21 November 1980) was a Hungarian mathematician.He graduated from the University of Budapest and initially worked as a schoolteacher. In 1940 he was appointed professor in the University of Szeged and in 1967 moved to the Mathematical Institute of the Hungarian Academy of Sciences in Budapest.His mathematical work was in algebraic number theory and abstract algebra, especially group theory.".
- Q220478 label "László Rédei".
- Q220478 depiction László_Rédei_(1900-1981)_Hungarian_mathematician.jpg.
- Q220478 givenName "Laszlo".
- Q220478 name "Laszlo Redei".
- Q220478 name "Redei, Laszlo".
- Q220478 surname "Redei".