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Jakob Rosanes

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16 Aug 1842

Brody, Austria-Hungary (now Ukraine)

6 Jan 1922

Breslau, Germany (now Wroclaw, Poland)

Jakob Rosanes studied at the University of Berlin and the University of Breslau between 1860 and 1865. He obtained his doctorate from Breslau in 1865 and then taught there for the rest of his life. He became professor in 1876 and rector of the university during the years 1903-4.

Rosanes worked on algebraic geometry and invariant theory , some of his work being joint with Pasch . Some of his work was on Cremona transformations and he proved a result which was proved independently by Max Noether . Both Rosanes' and Max Noether 's proofs were incomplete and Castelnuovo , 30 years later, gave a final satisfactory form. Rosanes wrote on many aspects of algebraic geometry and invariant theory which were in fashion at that time.

He also wrote an excellent chess book Theorie und Praxis des Schachspiels.

Source:School of Mathematics and Statistics University of St Andrews, Scotland