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About: Haruo Hosoya

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Haruo Hosoya (Japanese: 細矢 治夫, Hepburn: Hosoya Haruo, born 1936) is a Japanese chemist and emeritus professor of Ochanomizu University, Tokyo, Japan. He is the namesake of the Hosoya index used in discrete mathematics and computational chemistry. In 1971, Hosoya defined the topological index (a graph invariant) now known as the Hosoya index as the total number of matchings of a graph plus 1. The Hosoya index is often used in computer (mathematical) chemistry investigations for organic compounds. In 2002-2003 the dedicated a series of issues to commemorate the 65th birthday of professor Hosoya.

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  • هارو هوسويا (باليابانية: 細矢治夫؛ بالكانا: ほそや はるお) هو كيميائي ياباني، ولد في 1936 في كاناغاوا في اليابان. (ar)
  • Haruo Hosoya (Japanese: 細矢 治夫, Hepburn: Hosoya Haruo, born 1936) is a Japanese chemist and emeritus professor of Ochanomizu University, Tokyo, Japan. He is the namesake of the Hosoya index used in discrete mathematics and computational chemistry. Hosoya was born in Kamakura, Japan to a family of an office worker. During 1955-1959 he studied at the University of Tokyo. In 1964 he wrote his Ph.D. thesis, "Study on the Structure of Reactive Intermediates and Reaction Mechanism". After postdoc work abroad (Ann Arbor, Michigan, with prof. John Platt), in 1969 he became associate professor at the Ochanomizu University, where he worked for 33 years until his retirement in 2002. After retirement he keeps working in computational chemistry. In 1971, Hosoya defined the topological index (a graph invariant) now known as the Hosoya index as the total number of matchings of a graph plus 1. The Hosoya index is often used in computer (mathematical) chemistry investigations for organic compounds. In 2002-2003 the dedicated a series of issues to commemorate the 65th birthday of professor Hosoya. Hosoya's article "The Topological Index Z Before and After 1971" describes the history of the notion and the associated inside stories and details other Hosoya's achievements. Hosoya also introduced the triangle of numbers known as Hosoya's triangle (originally "Fibonacci triangle", but that name can be ambiguous). (en)
  • Haruo Hosoya (in giapponese: : 細矢 治夫 ; Hepburn: Hosoya Haruo; Kamakura, 1936) è un chimico e matematico giapponese, ideatore del che è utilizzato nella matematica discreta e nella chimica computazionale per indicare il numero totale di accoppiamenti di un grafo. (it)
  • 細矢 治夫(ほそや はるお、1936年7月18日 -)は、日本の化学者。お茶の水女子大学名誉教授。理学博士。専門は、、理論化学、。 著書に『量子化学』、『化学をつかむ』(それぞれ単著)、『化学反応の機構』(長倉三郎と共著)、『構造と物性』(と共著)などがある。化学構造のグラフ表現(分子グラフ)に関するトポロジカル・インデックスという用語の提唱者、そのひとつである細矢インデックス(Hosoya Index)の発案者として知られる。神奈川県鎌倉市出身。 (ja)
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  • هارو هوسويا (باليابانية: 細矢治夫؛ بالكانا: ほそや はるお) هو كيميائي ياباني، ولد في 1936 في كاناغاوا في اليابان. (ar)
  • Haruo Hosoya (in giapponese: : 細矢 治夫 ; Hepburn: Hosoya Haruo; Kamakura, 1936) è un chimico e matematico giapponese, ideatore del che è utilizzato nella matematica discreta e nella chimica computazionale per indicare il numero totale di accoppiamenti di un grafo. (it)
  • 細矢 治夫(ほそや はるお、1936年7月18日 -)は、日本の化学者。お茶の水女子大学名誉教授。理学博士。専門は、、理論化学、。 著書に『量子化学』、『化学をつかむ』(それぞれ単著)、『化学反応の機構』(長倉三郎と共著)、『構造と物性』(と共著)などがある。化学構造のグラフ表現(分子グラフ)に関するトポロジカル・インデックスという用語の提唱者、そのひとつである細矢インデックス(Hosoya Index)の発案者として知られる。神奈川県鎌倉市出身。 (ja)
  • Haruo Hosoya (Japanese: 細矢 治夫, Hepburn: Hosoya Haruo, born 1936) is a Japanese chemist and emeritus professor of Ochanomizu University, Tokyo, Japan. He is the namesake of the Hosoya index used in discrete mathematics and computational chemistry. In 1971, Hosoya defined the topological index (a graph invariant) now known as the Hosoya index as the total number of matchings of a graph plus 1. The Hosoya index is often used in computer (mathematical) chemistry investigations for organic compounds. In 2002-2003 the dedicated a series of issues to commemorate the 65th birthday of professor Hosoya. (en)
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  • هارو هوسويا (ar)
  • Haruo Hosoya (en)
  • Haruo Hosoya (it)
  • 細矢治夫 (ja)
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