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Lothar Collatz
From OeisWiki
Lothar Collatz (1910–1990) was a German mathematician. In 1937 he conjectured that in the 3x+1 problem all positive integers eventually lead to 1.
External links
- O’Connor, John J.; Robertson, Edmund F., “Lothar Collatz”, MacTutor History of Mathematics archive, University of St Andrews.