, a company he founded to support mathematically talented students. AwesomeMath 104 Number Theory Problems
(with Oleg Mushkarov and Luchezar Stoyanov).
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Titu Andreescu is widely regarded as one of the most influential figures in competitive mathematics, having served as a coach for the USA International Mathematical Olympiad (IMO) team and director of the American Mathematics Competitions
Focuses on modular arithmetic, Diophantine equations, and primality. Titu Andreescu is widely regarded as one of
(with Alessandro Ventullo) – Published in 2025, 304 pages, covering everything from factorizations and polynomials to inequalities and systems of equations.
(with Adrian Andreescu and Oleg Mushkarov) – A collection of 113 geometry-based inequality problems featuring a variety of solution methods.
Titu Andreescu (born August 19, 1956) is an associate professor of mathematics at the University of Texas at Dallas. Hailing from Timișoara, Romania, he earned his BA, MS, and PhD from the West University of Timișoara. As a high school student, he excelled in mathematics, winning the Romanian national problem-solving contests in 1973, 1974, and 1975.