Arnold Walfisz

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Arnold Walfisz (2 July 1892, Warsaw, Poland - 29 May 1962, Tbilisi, Georgia) was a mathematician.

By using a theorem by Siegel providing an upper bound for the real zeros (See Siegel zero) of Dirichlet L-functions formed with real non-principal characters, Walfisz obtained the Siegel-Walfisz theorem, from which the prime number theorem for arithmetic progressions can be deduced.

He founded, together with S. Lubelski, the journal Acta Arithmetica, which publishes papers on number theory.

[edit] Works

• Weylsche Exponentialsummen in der neueren Zahlentheorie, VEB Deutscher Verlag der Wissenschaften, Berlin, 1963