MATHEMATICIAN

Karol Borsuk

1905 - 1982

Karol Borsuk

Karol Borsuk (May 8, 1905 – January 24, 1982) was a Polish mathematician. His main interest was topology. Borsuk introduced the theory of absolute retracts (ARs) and absolute neighborhood retracts (ANRs), and the cohomotopy groups, later called Borsuk–Spanier cohomotopy groups. Read more on Wikipedia

Since 2007, the English Wikipedia page of Karol Borsuk has received more than 27,568 page views. His biography is available in 17 different languages on Wikipedia making him the 519th most popular mathematician.

Memorability Metrics

  • 28k

    Page Views (PV)

  • 48.95

    Historical Popularity Index (HPI)

  • 17

    Languages Editions (L)

  • 4.89

    Effective Languages (L*)

  • 2.07

    Coefficient of Variation (CV)

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Among MATHEMATICIANS

Among mathematicians, Karol Borsuk ranks 519 out of 746Before him are Gino Fano, Charles Proteus Steinmetz, Jean-Étienne Montucla, Serge Lang, Erhard Schmidt, and Sydney Chapman. After him are William Thurston, Evgraf Fedorov, Nicolaus I Bernoulli, René de Saussure, Henryk Zygalski, and Giovanni Antonio Amedeo Plana.

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Contemporaries

Among people born in 1905, Karol Borsuk ranks 158Before him are Lilí Álvarez, Markos Vamvakaris, Luigi Zampa, Michael Powell, Banine, and Aurelio González. After him are Harry Harlow, István Avar, Zoilo Saldombide, Floyd Gottfredson, Leila Hyams, and Abeid Karume. Among people deceased in 1982, Karol Borsuk ranks 118Before him are Leonid Utyosov, Douglas Bader, Allen Woodring, Carlos Vidal, Maria Jeritza, and Igor Gouzenko. After him are Alfredo Ovando Candía, Lightnin' Hopkins, Johan Wilhelm Rangell, Lauri Virtanen, Hitoshi Sasaki, and Seraphim Rose.

Others Born in 1905

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Others Deceased in 1982

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In Poland

Among people born in Poland, Karol Borsuk ranks 584 out of 930Before him are August Zaleski (1883), Wojciech Szczęsny (1990), Charles Proteus Steinmetz (1865), Aleksander Zawadzki (1899), Janusz Kusociński (1907), and Walter Laqueur (1921). After him are Adam Michnik (1946), Wilhelm Julius Foerster (1832), Marcin Kromer (null), Jurek Becker (1937), Kurd Lasswitz (null), and Carl Tausig (1841).

Among MATHEMATICIANS In Poland

Among mathematicians born in Poland, Karol Borsuk ranks 26Before him are Lazarus Fuchs (1833), Michael O. Rabin (1931), Samuel Eilenberg (1913), Jan Śniadecki (1756), Abraham Robinson (1918), and Charles Proteus Steinmetz (1865). After him are Henryk Zygalski (1908), Martin Kutta (1867), Paul Gordan (1837), Otto Toeplitz (1881), Heinz Hopf (1894), and Jacob Bronowski (null).

Mathematicians Born in Poland

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