Otto Stolz
Otto Stolz (3 July 1842 – 23 November 1905) was an Austrian mathematician noted for his work on mathematical analysis and infinitesimals. Born in Hall in Tirol, he studied at the University of Innsbruck from 1860 and the University of Vienna from 1863, receiving his habilitation there in 1867. Two years later he studied in Berlin under Karl Weierstrass, Ernst Kummer and Leopold Kronecker, and in 1871 heard lectures in Göttingen by Alfred Clebsch and Felix Klein (with whom he would later correspond), before returning to Innsbruck permanently as a professor of mathematics.His work began with geometry (on which he wrote his thesis) but after the influence of Weierstrass it shifted to real analysis, and many small useful theorems are credited to him. For example, he proved that a continuous function ''f'' on a closed interval [''a'', ''b''] with midpoint convexity, i.e., , has left and right derivatives at each point in (''a'', ''b'').
He died in 1905 shortly after finishing work on ''Einleitung in die Funktionentheorie''. His name lives on in the Stolz–Cesàro theorem. Provided by Wikipedia
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Published: [2019]
Superior document: Title is part of eBook package: De Gruyter DGBA Social Sciences - <1990
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Published: [2018]
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Superior document: Title is part of eBook package: De Gruyter DGBA Social Sciences - <1990
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Superior document: Title is part of eBook package: De Gruyter DGBA Social Sciences - <1990
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Published: 1975
Superior document: Die Ausbreitung des Deutschtums in Südtirol im Lichte der Urkunden 3 : Die Ausbreitung des Deutschtums im Gebiete von Bozen und Meran, T. 2
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Published: 1955
Superior document: Geschichte des Landes Tirol 1. Band
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Superior document: [Schriften des Instituts für Sozialforschung in den Alpenländern an der Universität Innsbruck 3]
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Published: 1960
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Published: 1909
Superior document: Archiv für österreichische Geschichte 97,2
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Published: 1949
Superior document: Schlern-Schriften 63
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Published: 1913
Superior document: Archiv für Österreichische Geschichte 102,1