MATHEMATICIAN
Cahit Arf
1910 - 1997

Cahit Arf
Cahit Arf (Turkish: [dʒaːhit aɾf]; 24 October 1910 – 26 December 1997) was a Turkish mathematician. He is known for the Arf invariant of a quadratic form in characteristic 2 (applied in knot theory and surgery theory) in topology, the Hasse–Arf theorem in ramification theory, Arf semigroups and Arf rings. Read more on Wikipedia
His biography is available in different languages on Wikipedia. Cahit Arf is the 638th most popular mathematician (down from 556th in 2019), the 653rd most popular biography from Greece (down from 606th in 2019) and the 10th most popular Greek Mathematician.
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Among MATHEMATICIANS
Among mathematicians, Cahit Arf ranks 638 out of 1,004. Before him are Alfréd Haar, Al-Qalqashandi, Douglas Hartree, Dinostratus, Polyaenus of Lampsacus, and François d'Aguilon. After him are Luigi Bianchi, Ludwig Bieberbach, John Playfair, Beppo Levi, Heinz Hopf, and Federico Commandino.
Most Popular Mathematicians in Wikipedia
Go to all RankingsAlfréd Haar
1885 - 1933
HPI: 58.31
Rank: 632
Al-Qalqashandi
1355 - 1418
HPI: 58.31
Rank: 633
Douglas Hartree
1897 - 1958
HPI: 58.29
Rank: 634
Dinostratus
390 BC - 320 BC
HPI: 58.29
Rank: 635
Polyaenus of Lampsacus
340 BC - 278 BC
HPI: 58.28
Rank: 636
François d'Aguilon
1567 - 1617
HPI: 58.27
Rank: 637
Cahit Arf
1910 - 1997
HPI: 58.27
Rank: 638
Luigi Bianchi
1856 - 1928
HPI: 58.26
Rank: 639
Ludwig Bieberbach
1886 - 1982
HPI: 58.23
Rank: 640
John Playfair
1748 - 1819
HPI: 58.21
Rank: 641
Beppo Levi
1875 - 1961
HPI: 58.20
Rank: 642
Heinz Hopf
1894 - 1971
HPI: 58.19
Rank: 643
Federico Commandino
1509 - 1575
HPI: 58.17
Rank: 644
Contemporaries
Among people born in 1910, Cahit Arf ranks 205. Before him are Adoniran Barbosa, Tomoyuki Tanaka, Karl Hugo Strunz, Arsenie Boca, Viggo Kampmann, and Lee Wallard. After him are Jafar Sharif-Emami, Carlo Ceresoli, Peter Pears, Fei Xiaotong, Lupita Tovar, and Erkki Aaltonen. Among people deceased in 1997, Cahit Arf ranks 172. Before him are Robert Herman, Edward Osóbka-Morawski, Bengt Danielsson, William Hickey, Aurelio González, and Tomoyuki Tanaka. After him are Béla Barényi, Myrtle Bachelder, Dulce María Loynaz, Sándor Végh, Jurek Becker, and Shinichi Hoshi.
Others Born in 1910
Go to all RankingsAdoniran Barbosa
SINGER
1910 - 1982
HPI: 58.46
Rank: 199
Tomoyuki Tanaka
FILM DIRECTOR
1910 - 1997
HPI: 58.44
Rank: 200
Karl Hugo Strunz
BIOLOGIST
1910 - 2006
HPI: 58.39
Rank: 201
Arsenie Boca
RELIGIOUS FIGURE
1910 - 1989
HPI: 58.35
Rank: 202
Viggo Kampmann
POLITICIAN
1910 - 1976
HPI: 58.29
Rank: 203
Lee Wallard
RACING DRIVER
1910 - 1963
HPI: 58.28
Rank: 204
Cahit Arf
MATHEMATICIAN
1910 - 1997
HPI: 58.27
Rank: 205
Jafar Sharif-Emami
POLITICIAN
1910 - 1998
HPI: 58.23
Rank: 206
Carlo Ceresoli
SOCCER PLAYER
1910 - 1995
HPI: 58.18
Rank: 207
Peter Pears
SINGER
1910 - 1986
HPI: 58.16
Rank: 208
Fei Xiaotong
ANTHROPOLOGIST
1910 - 2005
HPI: 58.12
Rank: 209
Lupita Tovar
ACTOR
1910 - 2016
HPI: 58.09
Rank: 210
Erkki Aaltonen
COMPOSER
1910 - 1990
HPI: 58.08
Rank: 211
Others Deceased in 1997
Go to all RankingsRobert Herman
ASTRONOMER
1914 - 1997
HPI: 58.52
Rank: 166
Edward Osóbka-Morawski
POLITICIAN
1909 - 1997
HPI: 58.51
Rank: 167
Bengt Danielsson
ANTHROPOLOGIST
1921 - 1997
HPI: 58.50
Rank: 168
William Hickey
ACTOR
1927 - 1997
HPI: 58.50
Rank: 169
Aurelio González
SOCCER PLAYER
1905 - 1997
HPI: 58.46
Rank: 170
Tomoyuki Tanaka
FILM DIRECTOR
1910 - 1997
HPI: 58.44
Rank: 171
Cahit Arf
MATHEMATICIAN
1910 - 1997
HPI: 58.27
Rank: 172
Béla Barényi
ENGINEER
1907 - 1997
HPI: 58.23
Rank: 173
Myrtle Bachelder
CHEMIST
1908 - 1997
HPI: 58.20
Rank: 174
Dulce María Loynaz
WRITER
1902 - 1997
HPI: 58.03
Rank: 175
Sándor Végh
COMPOSER
1912 - 1997
HPI: 57.97
Rank: 176
Jurek Becker
WRITER
1937 - 1997
HPI: 57.88
Rank: 177
Shinichi Hoshi
WRITER
1926 - 1997
HPI: 57.85
Rank: 178
In Greece
Among people born in Greece, Cahit Arf ranks 653 out of 1,024. Before him are Stylianos Gonatas (1876), Angelos Charisteas (1980), Nikos Beloyannis (1915), Antiphanes (-388), Dinostratus (-390), and Ioannis Malokinis (1880). After him are Labotas (null), Erigyius (-400), Petrobey Mavromichalis (1765), Gina Bachauer (1913), Markos Vamvakaris (1905), and John Zizioulas (1931).
Others born in Greece
Go to all RankingsStylianos Gonatas
POLITICIAN
1876 - 1966
HPI: 58.36
Rank: 647
Angelos Charisteas
SOCCER PLAYER
1980 - Present
HPI: 58.36
Rank: 648
Nikos Beloyannis
POLITICIAN
1915 - 1952
HPI: 58.35
Rank: 649
Antiphanes
WRITER
388 BC - 311 BC
HPI: 58.33
Rank: 650
Dinostratus
MATHEMATICIAN
390 BC - 320 BC
HPI: 58.29
Rank: 651
Ioannis Malokinis
POLITICIAN
1880 - 1942
HPI: 58.29
Rank: 652
Cahit Arf
MATHEMATICIAN
1910 - 1997
HPI: 58.27
Rank: 653
Labotas
POLITICIAN
HPI: 58.24
Rank: 654
Erigyius
MILITARY PERSONNEL
400 BC - 328 BC
HPI: 58.23
Rank: 655
Petrobey Mavromichalis
POLITICIAN
1765 - 1848
HPI: 58.23
Rank: 656
Gina Bachauer
MUSICIAN
1913 - 1976
HPI: 58.23
Rank: 657
Markos Vamvakaris
MUSICIAN
1905 - 1972
HPI: 58.22
Rank: 658
John Zizioulas
RELIGIOUS FIGURE
1931 - 2023
HPI: 58.21
Rank: 659
Among MATHEMATICIANS In Greece
Among mathematicians born in Greece, Cahit Arf ranks 10. Before him are Theaetetus (-417), Aristyllus (-400), Diocles (-240), Geminus (null), Francesco Barozzi (1537), and Dinostratus (-390). After him are Demetrios Christodoulou (1951).
Theaetetus
417 BC - 369 BC
HPI: 66.49
Rank: 4
Aristyllus
400 BC - 300 BC
HPI: 65.94
Rank: 5
Diocles
240 BC - 180 BC
HPI: 61.66
Rank: 6
Geminus
HPI: 59.75
Rank: 7
Francesco Barozzi
1537 - 1604
HPI: 59.21
Rank: 8
Dinostratus
390 BC - 320 BC
HPI: 58.29
Rank: 9
Cahit Arf
1910 - 1997
HPI: 58.27
Rank: 10
Demetrios Christodoulou
1951 - Present
HPI: 55.17
Rank: 11