Arnold Walfisz (2 July 1892, Warsaw, Congress Poland, Russian Empire – 29 May 1962, Tbilisi, Georgia) was a Polish mathematician. Events 310 - Pope Miltiades is elected 626 - In fear of assassination Li Shimin ambushes and kills his rival Year 1892 ( MDCCCXCII) was a Leap year starting on Friday (link will display the full calendar of the Gregorian Calendar (or a Leap year Warsaw (Warszawa; also known by other names) is the Capital and Largest city of Poland. Congress Poland Kongresówka, officially and formally Kingdom of Poland (Królestwo Polskie {{IPA-pl|'|p|o|l|s|kʲ|e}} Царство Польское Tsarstvo Polskoye The Russian Empire ( Pre-reform Russian: Pоссійская Имперія Modern Russian: Российская Империя translit: Rossiyskaya Events 363 - Roman Emperor Julian defeats the Sassanid army in the Battle of Ctesiphon, under the walls of the Year 1962 ( MCMLXII) was a Common year starting on Monday (the link is to a full 1962 calendar of the Gregorian calendar. Tbilisi (ˌtbiˈliːsi in Georgian: თბილისი is the capital and the largest city of the Republic of Georgia, lying on the banks of the Mt'k'vari The Polish people, or Poles, (Polacy) are a Western Slavic Ethnic group of Central Europe, living predominantly in Poland. A mathematician is a person whose primary area of study and research is the field of Mathematics.
By using a theorem by Carl Ludwig 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. Carl Ludwig Siegel ( December 31 1896 &ndash April 4 1981) was a Mathematician specialising in Number theory. In Mathematics, more specifically in the field of Analytic number theory, a Siegel zero, named after Carl Ludwig Siegel, is a type of potential Counterexample In mathematics a Dirichlet L -series, named in honour of Johann Peter Gustav Lejeune Dirichlet, is a function of the form L(s\chi = \sum_{n=1}^\infty
In 1935 he founded, together with Salomon Lubelski, the journal Acta Arithmetica, which publishes papers on number theory. Acta Arithmetica (ISSN (printed 0065-1036 ISSN (electronic 1730-6264 is a mathematical journal publishing papers on the theory of numbers. Number theory is the branch of Pure mathematics concerned with the properties of Numbers in general and Integers in particular as well as the wider classes
Works
- Weylsche Exponentialsummen in der neueren Zahlentheorie, VEB Deutscher Verlag der Wissenschaften, Berlin, 1963
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