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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.
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at the
Ochanomizu University, where he worked for 33 years until his retirement in 2002. After retirement he keeps working in computational chemistry.
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Special issues dedicated to
Professor Haruo Hosoya on the occasion of the 65th birthday, Internet Electronic Journal of Molecular Design,
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thesis, "Study on the
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dedicated a series of issues to commemorate the 65th birthday of professor Hosoya.
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to a family of an office worker. During 1955-1959 he studied at the
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Hosoya also introduced the triangle of numbers known as
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of a graph plus 1. The Hosoya index is often used in
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