Robert James Blattner
http://dbpedia.org/resource/Robert_James_Blattner an entity of type: Thing
Robert James Blattner (* 6. August 1931 in Milwaukee; † 13. Juni 2015) war ein US-amerikanischer Mathematiker. Blattner studierte an der Harvard University mit dem Bachelor-Abschluss 1953 und wurde 1957 an der University of Chicago bei Irving Segal promoviert (Group Representations and Operator Rings). Als Post-Doktorand war er Instructor an der University of California, Los Angeles (UCLA). Er war Professor an der UCLA (bis auf die Zeit 1973 bis 1975 als Professor an der University of Massachusetts). 1981 bis 1984 stand er der Mathematik-Fakultät an der UCLA vor. Ab 1993 war er Professor Emeritus.
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Robert James Blattner (6 August 1931 – 13 June 2015) was a mathematics professor at UCLA working on harmonic analysis, representation theory, and geometric quantization, who introduced Blattner's conjecture. Born in Milwaukee, Blattner received his bachelor's degree from Harvard University in 1953 and his Ph.D. from the University of Chicago in 1957. He joined the UCLA mathematics department in 1957 and remained on the staff until his retirement as professor emeritus in 1992.
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Robert James Blattner
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Robert James Blattner
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Robert James Blattner (* 6. August 1931 in Milwaukee; † 13. Juni 2015) war ein US-amerikanischer Mathematiker. Blattner studierte an der Harvard University mit dem Bachelor-Abschluss 1953 und wurde 1957 an der University of Chicago bei Irving Segal promoviert (Group Representations and Operator Rings). Als Post-Doktorand war er Instructor an der University of California, Los Angeles (UCLA). Er war Professor an der UCLA (bis auf die Zeit 1973 bis 1975 als Professor an der University of Massachusetts). 1981 bis 1984 stand er der Mathematik-Fakultät an der UCLA vor. Ab 1993 war er Professor Emeritus. Er war 1961/62 (und 1981) am Massachusetts Institute of Technology und 1964/65 am Institute for Advanced Study und Gastwissenschaftler am MSRI und an der University of Warwick. Er befasste sich mit Darstellungstheorie von Lie-Gruppen (wo Blattner´s Vermutung nach ihm benannt ist), Harmonischer Analysis und Geometrischer Quantisierung. Er war Fellow der American Mathematical Society und der American Association for the Advancement of Science.
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Robert James Blattner (6 August 1931 – 13 June 2015) was a mathematics professor at UCLA working on harmonic analysis, representation theory, and geometric quantization, who introduced Blattner's conjecture. Born in Milwaukee, Blattner received his bachelor's degree from Harvard University in 1953 and his Ph.D. from the University of Chicago in 1957. He joined the UCLA mathematics department in 1957 and remained on the staff until his retirement as professor emeritus in 1992. He was most widely known for a conjecture that he made, contained in the so-called Blattner formula, which suggested that a certain deep property of the discrete series of representations of a semi simple real Lie group was true. He made this conjecture in the mid 1960s. The discrete series, constructed by Harish-Chandra, which is basic to most central questions in harmonic analysis and arithmetic, was still very new and very difficult to penetrate. The conjecture was later proved and the solution was published in 1975 by Wilfried Schmid and Henryk Hecht by analytic methods, and later, in 1979 by Thomas Enright who used algebraic methods; both proofs were quite deep, giving an indication of the insight that led Blattner to this conjecture. Blattner was a visiting scholar at the Institute for Advanced Study in 1964–65.In 2012 he became a fellow of the American Mathematical Society.
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