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Avraham Trahtman: Quick Facts

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Facts

Also Known As Avraham Trakhtman
Born February 10, 1944 (age 82) • Russia
Subjects Of Study road-colouring problem • graph theory

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Avraham Trahtman.
In this sample network, starting from any circle, follow the arrows in the order "red-blue-red" to reach the yellow circle.
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Paul Erdős
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Endre Szemerédi
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Aumann, Robert J.
Robert J. Aumann
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Isaac Newton
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Bertrand Russell
Bertrand Russell
British logician and philosopher
Alfred North Whitehead
Alfred North Whitehead
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Engraved portrait of Gottfried Wilhelm von Leibniz with long curly hair, wearing a buttoned coat and cravat, facing forward.
Gottfried Wilhelm Leibniz
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Hermann von Helmholtz
Hermann von Helmholtz
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Galileo
Galileo
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French philosopher Blaise Pascal
Blaise Pascal
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Werner Karl Heisenberg sits at a desk in a suit with his hands folded, bookshelves in the background.
Werner Heisenberg
German physicist and philosopher
Portrait of Archimedes by Giuseppe Nogari shows an elderly man with white hair and beard, holding a compass, gazing downward, set against a dark background.
Archimedes
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William Thomson, Baron Kelvin
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John von Neumann
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Giordano Bruno
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Jean Le Rond d’Alembert
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Euclid
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