MATHEMATICIAN

Poul Heegaard

1871 - 1948

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Poul Heegaard (Danish: [ˈhe̝ˀˌkɒˀ] ; November 2, 1871, Copenhagen - February 7, 1948, Oslo) was a Danish mathematician active in the field of topology. His 1898 thesis introduced a concept now called the Heegaard splitting of a 3-manifold. Heegaard's ideas allowed him to make a careful critique of work of Henri Poincaré. Read more on Wikipedia

Since 2007, the English Wikipedia page of Poul Heegaard has received more than 21,372 page views. His biography is available in 16 different languages on Wikipedia (up from 15 in 2019). Poul Heegaard is the 891st most popular mathematician (down from 833rd in 2019), the 610th most popular biography from Denmark (down from 567th in 2019) and the 8th most popular Danish Mathematician.

Memorability Metrics

  • 21k

    Page Views (PV)

  • 43.80

    Historical Popularity Index (HPI)

  • 16

    Languages Editions (L)

  • 6.22

    Effective Languages (L*)

  • 1.79

    Coefficient of Variation (CV)

Among MATHEMATICIANS

Among mathematicians, Poul Heegaard ranks 891 out of 1,004. Before him are Norman Johnson, Cleve Moler, Hellmuth Kneser, Hjalmar Mellin, Richard K. Guy, and Mikhail Suslin. After him are Robin Hartshorne, Yury Osipov, Caucher Birkar, Clifford Truesdell, Daina Taimiņa, and Adele Goldstine.

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Contemporaries

Among people born in 1871, Poul Heegaard ranks 163. Before him are Heinrich Schroth, Henry Stephenson, Wilfred Lucas, Max Bodenstein, Yoshioka Yayoi, and Clarence Hudson White. After him are Jack Butler Yeats, William Diller Matthew, John Sloan, Eugen Burg, Anne Sewell Young, and Reginald Aldworth Daly. Among people deceased in 1948, Poul Heegaard ranks 180. Before him are Thomas Mofolo, Frank Benford, John Anderson, James Young, Mary Eaton, and George Mehnert. After him are René Benjamin, István Barta, Carl Abrahamsson, Joseph Friedrich Nicolaus Bornmüller, Elissa Landi, and Samuel S. Hinds.

Others Born in 1871

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Others Deceased in 1948

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In Denmark

Among people born in Denmark, Poul Heegaard ranks 610 out of 1,032. Before him are Per Stig Møller (1942), Agnes Obel (1980), Axel Andersen (1891), Kent Nielsen (1961), Henning Christophersen (1939), and Niels Petersen (1885). After him are John Tchicai (1936), Søren Petersen (1894), Niklas Landin Jacobsen (1988), Karl Dane (1886), Thomas Delaney (1991), and Jesper Kyd (1972).

Others born in Denmark

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Among MATHEMATICIANS In Denmark

Among mathematicians born in Denmark, Poul Heegaard ranks 8. Before him are Piet Hein (1905), Agner Krarup Erlang (1878), Julius Petersen (1839), Georg Mohr (1640), Johan Jensen (1859), and Jørgen Pedersen Gram (1850).

Danish born Mathematicians

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