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Avraham Trahtman, a professor at Israel's Bar-Ilan University, is credited with solving the Road Coloring Problem. The mathematical riddle had gone unsolved for 38 years prior to Trakhtman solving it.The Jerusalem Post: Russian immigrant solves math puzzle (February 8, 2008)
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Background
Trahtman emigrated to Israel in 1990 and worked as a laborer and a security guard before finding his current position in 1995. Trahtman earned his Ph.D. at Ural State University in Russia, but says he had difficulty finding employment because he was Jewish.The Jerusalem Post: Russian immigrant solves math puzzle (February 8, 2008) -
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Deccan Herald: Israeli Immigrant Mathematician Solves Math Riddle
deccanherald.com (March 21, 2008) -
Independent.co.uk: Penniless Migrant Becomes a Maths Superstar
A 63-year-old mathematician who worked as a labourer and night-watchman when he first migrated to Israel from Russia has solved a problem which has taxed the world's leading experts in his field for more than a generation.independent.co.uk (March 21, 2008) -
MSNBC: 63-year-old Solves Riddle From 1970
msnbc.msn.com (March 20, 2008) -
Avraham Trahtman: The Road Coloring Problem (64KB)
arxiv.org -
Wikipedia: Avraham Trahtman
Avraham Trahtman - Wikipedia, the free encyclopediaen.wikipedia.org -
Bar Ilan University: Curriculum Vitae of Trahtman A.N.
CURRICULUM VITAE of Trahtman A.N.cs.biu.ac.il -
International Herald Tribune: Israeli Immigrant Mathematician Solves Math Riddle...
iht.com (March 21, 2008)
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Deccan Herald: Israeli Immigrant Mathematician Solves Math Riddle
