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Riho Terras
Estonian-American mathematician

Riho Terras

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Intro
Estonian-American mathematician
Work field
Gender
Male
Place of birth
Tartu, Yurevsky Uyezd, Livonia Governorate, Sweden
Place of death
San Diego, San Diego County, California, USA
Age
66 years
Education
Doctor of Philosophy
University of Illinois Urbana–Champaign
Champaign, Champaign County, USA
(1967-1970)
Master of Science
University of Illinois Urbana–Champaign
Champaign, Champaign County, USA
(1965-1967)
Bachelor of Science
University of Maryland
College Park, Prince George's County, USA
(-1965)
Employers
University of California, San Diego
La Jolla, San Diego, USA
University of Puerto Rico at Mayaguez
Puerto Rico, USA
Awards
Abramowitz Award
(1965)
The details (from wikipedia)

Biography

Riho Terras (June 13, 1939 – November 28, 2005) was an Estonian-American mathematician. He was born in Tartu, Estonia and moved to Ulm, Germany before starting school. In 1951 he emigrated to the United States along with his mother. In 1965, he was given the Milton Abramowitz award for his studies at the University of Maryland. He finished his PhD in 1970 at the University of Illinois Urbana-Champaign.

He is known for the Terras theorem about the Collatz conjecture, published in 1976, which proved that the conjecture holds for "almost all" numbers and established bounds for the conjecture.

He married fellow mathematician Audrey Terras.

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Riho Terras
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