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Landau studied mathematics at the University of Berlin and received his doctorate in 1899 and his habilitation (the post-doctoral qualification required in German universities) in 1901.

Landau taught at the University of Berlin from 1899 until 1909 and held a chair at the University of Göttingen from 1909 until he was forced out by the Nazi regime in 1933. Thereafter he lectured only outside of Germany.

In 1903 Landau gave a much simpler proof than was then known of the

treatment of analytic number theory. He also made important contributions to complex analysis.

1 See also

• Landau's functionLandau's function ''g ''n is defined for every natural number n to be the largest order of an element of the symmetric group S''. Equivalently, g ''n is the largest least common multiple of any partition of n''. For instance, 5 2 + 3 and lcm(2,3) 6. No ot
• Landau's symbol (Big O notation)In complexity theory, computer science, and mathematics the Big O notation is a mathematical notation used to describe the asymptotic behavior of functions. More exactly, it is used to describe an asymptotic upper bound for the magnitude of a function in

2 External links

• MacTutor biography
• Biography at the Hebrew University