Alan Hoffman
(1924-2021)
American mathematician
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Alan Jerome Hoffman (May 30, 1924 – January 18, 2021) was an American mathematician and IBM Fellow emeritus, T. J. Watson Research Center, IBM, in Yorktown Heights, New York. He was the founding editor of the journal Linear Algebra and its Applications, and holds several patents. He contributed to combinatorial optimization and the eigenvalue theory of graphs. Hoffman and Robert Singleton constructed the Hoffman–Singleton graph, which is the unique Moore graph of degree 7 and diameter 2.
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| Born |
30 May 1924 New York City, USA
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| Died |
18 January 2021 (aged 96)
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| Zodiac | Gemini |
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