MATHEMATICIAN

Karol Borsuk

1905 - 1982

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Karol Borsuk (8 May 1905 – 24 January 1982) was a Polish mathematician. His main interest was topology, while he obtained significant results also in functional analysis. 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 47,842 page views. His biography is available in 22 different languages on Wikipedia (up from 19 in 2019). Karol Borsuk is the 570th most popular mathematician (down from 565th in 2019), the 781st most popular biography from Poland (down from 759th in 2019) and the 27th most popular Polish Mathematician.

Memorability Metrics

  • 48k

    Page Views (PV)

  • 51.20

    Historical Popularity Index (HPI)

  • 22

    Languages Editions (L)

  • 5.91

    Effective Languages (L*)

  • 2.15

    Coefficient of Variation (CV)

Page views of Karol Borsuks by language

Over the past year Karol Borsuk has had the most page views in the with 5,696 views, followed by Polish (5,193), and Russian (1,833). In terms of yearly growth of page views the top 3 wikpedia editions are Belarusian (145.53%), Friulian (118.52%), and Occitan (118.13%)

Among MATHEMATICIANS

Among mathematicians, Karol Borsuk ranks 570 out of 1,004. Before him are Ibrahim ibn Sinan, Thoralf Skolem, Giacomo F. Maraldi, Klára Dán von Neumann, Friedrich Robert Helmert, and Ernest William Brown. After him are Kazimierz Ajdukiewicz, Dénes Kőnig, Giovanni Antonio Amedeo Plana, Paul Halmos, Erhard Schmidt, and Emil Julius Gumbel.

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Contemporaries

Among people born in 1905, Karol Borsuk ranks 192. Before him are Ángel Melogno, Paul Grimault, Carlos Riolfo, Al Taliaferro, Mantovani, and Lillian Hellman. After him are Sanford Meisner, C. P. Snow, Étienne Mattler, Siaka Stevens, Harold Arlen, and Mary Renault. Among people deceased in 1982, Karol Borsuk ranks 142. Before him are Christian Schad, Rachel Cohen-Kagan, Carlos Vidal, Bernhard Rogge, Douglas Bader, and Konrad Wolf. After him are Firaq Gorakhpuri, Juhan Aavik, Gábor Szabó, Gunnar Eriksson, Paolo Monti, and Federico Moreno Torroba.

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 781 out of 1,694. Before him are Marlene Schmidt (1937), Kurd Lasswitz (1848), Haroun Tazieff (1914), Władysław Grabski (1874), Olga Desmond (1890), and Zenon Grocholewski (1939). After him are Arnold Mendelssohn (1855), Stanisław Mikulski (1929), Theodor Kullak (1818), Duchess Agnes of Württemberg (1835), Józef Mehoffer (1869), and August Hlond (1881).

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Among MATHEMATICIANS In Poland

Among mathematicians born in Poland, Karol Borsuk ranks 27. Before him are Michael O. Rabin (1931), Martin Kutta (1867), Lazarus Fuchs (1833), Samuel Eilenberg (1913), Moritz Pasch (1843), and Alfred Pringsheim (1850). After him are Arthur Moritz Schoenflies (1853), Jan Śniadecki (1756), Paul Gordan (1837), Otto Toeplitz (1881), Heinz Hopf (1894), and Szolem Mandelbrojt (1899).

Polish born Mathematicians

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