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Encyclopedia > Alfréd Rényi

Alfréd Rényi (March 20, 1921February 1, 1970) was a Hungarian mathematician who made contributions in combinatorics and graph theory but mostly in probability theory. March 20 is the 79th day of the year in the Gregorian Calendar (80th in Leap years). ... February 1 is the 32nd day of the year in the Gregorian Calendar. ... The Republic of Hungary (Magyar Köztársaság) or Hungary (Magyarország) is a landlocked country in Central Europe, bordered by Austria, Slovakia, Ukraine, Romania, Serbia, Croatia and Slovenia. ... A mathematician is a person whose area of study and research is mathematics. ... Combinatorics is a branch of mathematics that studies finite collections of objects that satisfy specified criteria, and is in particular concerned with counting the objects in those collections (enumerative combinatorics) and with deciding whether certain optimal objects exist (extremal combinatorics). ... In mathematics and computer science, graph theory studies the properties of graphs. ... Probability theory is the mathematical study of probability. ...

He proved, using the large sieve, that there is a number K such that every even number is the sum of a prime number and a number that can be written as the product of at most K primes.

He founded the Mathematical Institute in Budapest. He wrote 32 joint papers with Paul Erdös[1] (http://www.oakland.edu/enp/erdtrib.pdf). See Budapest (band) for the British melancholic post-grunge band. ... The title given to this article is incorrect due to technical limitations. ...

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