• Thumbnail for Hassler Whitney
    and Mary Hassler Newcomb, granddaughter of the first superintendent of the Coast Survey Ferdinand Rudolph Hassler. His great uncle Josiah Whitney was the...
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  • differential topology, there are two Whitney embedding theorems, named after Hassler Whitney: The strong Whitney embedding theorem states that any smooth...
    12 KB (1,729 words) - 01:13, 16 April 2023
  • Thumbnail for Whitney family
    (1872–1930) Hassler Whitney (1907–1989) Henry Melville Whitney (1839–1923) James Scollay Whitney (1811–1878) Joan Whitney Payson (1903–1975) John Hay Whitney (1905–1982)...
    16 KB (1,486 words) - 02:51, 28 February 2024
  • S^{1}\times \mathbb {R} }, is zero. The Stiefel–Whitney class was named for Eduard Stiefel and Hassler Whitney and is an example of a Z/2Z{\displaystyle \mathbb...
    23 KB (3,815 words) - 08:34, 26 December 2023
  • Thumbnail for Whitney umbrella
    In geometry, the Whitney umbrella (or Whitney's umbrella, named after American mathematician Hassler Whitney, and sometimes called a Cayley umbrella)...
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  • In differential topology, the Whitney immersion theorem (named after Hassler Whitney) states that for m>1{\displaystyle m>1}, any smooth m{\displaystyle...
    3 KB (324 words) - 18:39, 24 December 2021
  • branch of mathematics, the Whitney conditions are conditions on a pair of submanifolds of a manifold introduced by Hassler Whitney in 1965. A stratification...
    6 KB (719 words) - 23:03, 1 November 2022
  • have prescribed derivatives at the points of A. It is a result of Hassler Whitney. A precise statement of the theorem requires careful consideration...
    8 KB (1,129 words) - 09:32, 7 November 2023
  • is named after the American mathematicians Lynn Harold Loomis and Hassler Whitney, and was published in 1949. Fix a dimension d≥2{\displaystyle d\geq...
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  • smooth manifolds. They are named after the American mathematician Hassler Whitney. Let M and N be two real, smooth manifolds. Furthermore, let C∞(M,N)...
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  • Thumbnail for Ferdinand Rudolph Hassler
    Weights and Measures. Hassler was born on October 6, 1770 in Aarau, Switzerland. He was the son of Magdalena Ernst and Hans Jakob Hassler, a prosperous watchmaker...
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  • the interchange graph, the adjoint graph, and the derived graph. Hassler Whitney (1932) proved that with one exceptional case the structure of a connected...
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  • Thumbnail for Graph isomorphism
    be different for two isomorphic graphs. The Whitney graph isomorphism theorem, shown by Hassler Whitney, states that two connected graphs are isomorphic...
    12 KB (1,507 words) - 15:14, 23 February 2024
  • mathematician working on analysis. Together with Hassler Whitney, he discovered the Loomis–Whitney inequality. Loomis received his PhD in 1942 from Harvard...
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  • Thumbnail for Dual graph
    embedding will do). The converse is actually true, as settled by Hassler Whitney in Whitney's planarity criterion: A connected graph G is planar if and only...
    51 KB (6,580 words) - 02:26, 3 January 2024
  • characteristic class arose in 1935 in the work of Eduard Stiefel and Hassler Whitney about vector fields on manifolds. Let G be a topological group, and...
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  • Thumbnail for Chromatic polynomial
    four color problem. It was generalised to the Tutte polynomial by Hassler Whitney and W. T. Tutte, linking it to the Potts model of statistical physics...
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  • Hassler (also Haßler, Häßler, Hässler, Hasler, ...) is a toponymic surname derived from a number of places called Hasel or Hassel in German-speaking parts...
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  • and was tenured in 2008. Thurston is the daughter of mathematician Hassler Whitney. Thurston became an Elected Member of the International Statistical...
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  • Thumbnail for Vector bundle
    Vector bundle (redirect from Whitney sum)
    on X (over the given field). A few examples follow. The Whitney sum (named for Hassler Whitney) or direct sum bundle of E and F is a vector bundle E ⊕...
    31 KB (4,030 words) - 10:02, 22 August 2023
  • Thumbnail for Fiber bundle
    definition of fiber space was given by Hassler Whitney in 1935 under the name sphere space, but in 1940 Whitney changed the name to sphere bundle. The...
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  • Matroid (redirect from Whitney number)
    and equivalently of the partition lattice. They were named after Hassler Whitney, the (co)founder of matroid theory, by Gian-Carlo Rota. The name has...
    59 KB (8,611 words) - 17:20, 3 February 2024
  • polynomials in terms of the moduli of smoothness. It was first proved by Hassler Whitney in 1957, and is an important tool in the field of approximation theory...
    6 KB (1,295 words) - 08:31, 29 January 2023
  • product was introduced in work of J. W. Alexander, Eduard Čech and Hassler Whitney from 1935–1938, and, in full generality, by Samuel Eilenberg in 1944...
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  • singularity theorem 1964 Hassler Whitney proved that every analytic variety admits a stratification satisfying the Whitney conditions. 1967 Theodore...
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  • Thumbnail for Whitney's planarity criterion
    In mathematics, Whitney's planarity criterion is a matroid-theoretic characterization of planar graphs, named after Hassler Whitney. It states that a...
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  • as Peary and Cook Hassler Whitney (1907–1989), American mathematician, one of the founders of singularity theory Henry Martyn Whitney (1824–1904), newspaper...
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  • Thumbnail for Simon Newcomb
    were US Navy Surgeon Dr. Charles Augustus Hassler and his wife. Her paternal grandfather was Ferdinand Hassler, the first Superintendent of the Coast Survey...
    32 KB (3,578 words) - 08:40, 28 March 2024
  • Thumbnail for Algebraic topology
    Norman Steenrod Dennis Sullivan René Thom Hiroshi Toda Leopold Vietoris Hassler Whitney J. H. C. Whitehead Gordon Thomas Whyburn Blakers–Massey theorem Borsuk–Ulam...
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  • properties belong to matroid theory. Matroid theory was introduced by Hassler Whitney and studied as a part of order theory. It is now an independent field...
    32 KB (3,440 words) - 10:24, 15 March 2024