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Philip Hartman (May 16, 1915 – August 28, 2015) was an American mathematician at Johns Hopkins University working on differential equations who introduced the Hartman–Grobman theorem. He served as Chairman of the Mathematics Department at Johns Hopkins for several years. He has an Erdös number of 2. His book gives a necessary and sufficient condition for solutions of ordinary initial value problems to be unique and to depend on a class C1 manner on the initial conditions for solutions. He died in August 2015 at the age of 100.

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  • فيليب هارتمان (بالإنجليزية: Philip Hartman)‏ هو رياضياتي أمريكي، ولد في 16 مايو 1915 في بالتيمور في الولايات المتحدة، وتوفي في 28 أغسطس 2015. (ar)
  • Philip Hartman (* 16. Mai 1915 in Baltimore; † 28. August 2015) war ein US-amerikanischer Mathematiker, der sich mit Analysis und Statistik beschäftigte. (de)
  • Philip Hartman (16 mai 1915 - 28 août 2015) est un mathématicien américain de l'Université Johns-Hopkins travaillant sur les équations différentielles qui introduit le théorème de Hartman-Grobman. Il est président du département de mathématiques à Johns Hopkins pendant plusieurs années. Il a un nombre d'Erdös de 2. Son livre donne une condition nécessaire et suffisante pour que les solutions de problèmes aux valeurs initiales ordinaires soient uniques et dépendent d'une manière de classe C 1 des conditions initiales des solutions. Il est décédé en août 2015 à l'âge de 100 ans. (fr)
  • Philip Hartman (May 16, 1915 – August 28, 2015) was an American mathematician at Johns Hopkins University working on differential equations who introduced the Hartman–Grobman theorem. He served as Chairman of the Mathematics Department at Johns Hopkins for several years. He has an Erdös number of 2. His book gives a necessary and sufficient condition for solutions of ordinary initial value problems to be unique and to depend on a class C1 manner on the initial conditions for solutions. He died in August 2015 at the age of 100. (en)
  • Филип Хартман (англ. Philip Hartman, 16 мая 1915, Балтимор — 28 августа 2015) — американский математик. Специалист в области анализа и дифференциальных уравнений, соавтор теоремы Гробмана — Хартмана, автор широко известного учебника по теории обыкновенных дифференциальных уравнений, переведённого на многие языки, в том числе, на русский. (ru)
  • Philip Hartman (16 de maio de 1915 – 28 de agosto de 2015) foi um matemático estadunidense, professor da Universidade Johns Hopkins, que trabalhou com equações diferenciais e introduziu o . Teve o Número de Erdős 2. Obteve um doutorado em 1938, orientado por Aurel Wintner. Morreu em 28 de agosto de 2015 aos cem anos de idade. (pt)
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  • فيليب هارتمان (بالإنجليزية: Philip Hartman)‏ هو رياضياتي أمريكي، ولد في 16 مايو 1915 في بالتيمور في الولايات المتحدة، وتوفي في 28 أغسطس 2015. (ar)
  • Philip Hartman (* 16. Mai 1915 in Baltimore; † 28. August 2015) war ein US-amerikanischer Mathematiker, der sich mit Analysis und Statistik beschäftigte. (de)
  • Philip Hartman (16 mai 1915 - 28 août 2015) est un mathématicien américain de l'Université Johns-Hopkins travaillant sur les équations différentielles qui introduit le théorème de Hartman-Grobman. Il est président du département de mathématiques à Johns Hopkins pendant plusieurs années. Il a un nombre d'Erdös de 2. Son livre donne une condition nécessaire et suffisante pour que les solutions de problèmes aux valeurs initiales ordinaires soient uniques et dépendent d'une manière de classe C 1 des conditions initiales des solutions. Il est décédé en août 2015 à l'âge de 100 ans. (fr)
  • Philip Hartman (May 16, 1915 – August 28, 2015) was an American mathematician at Johns Hopkins University working on differential equations who introduced the Hartman–Grobman theorem. He served as Chairman of the Mathematics Department at Johns Hopkins for several years. He has an Erdös number of 2. His book gives a necessary and sufficient condition for solutions of ordinary initial value problems to be unique and to depend on a class C1 manner on the initial conditions for solutions. He died in August 2015 at the age of 100. (en)
  • Филип Хартман (англ. Philip Hartman, 16 мая 1915, Балтимор — 28 августа 2015) — американский математик. Специалист в области анализа и дифференциальных уравнений, соавтор теоремы Гробмана — Хартмана, автор широко известного учебника по теории обыкновенных дифференциальных уравнений, переведённого на многие языки, в том числе, на русский. (ru)
  • Philip Hartman (16 de maio de 1915 – 28 de agosto de 2015) foi um matemático estadunidense, professor da Universidade Johns Hopkins, que trabalhou com equações diferenciais e introduziu o . Teve o Número de Erdős 2. Obteve um doutorado em 1938, orientado por Aurel Wintner. Morreu em 28 de agosto de 2015 aos cem anos de idade. (pt)
rdfs:label
  • فيليب هارتمان (ar)
  • Philip Hartman (de)
  • Philip Hartman (fr)
  • Philip Hartman (en)
  • Philip Hartman (pt)
  • Хартман, Филип (ru)
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