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单词 Banach, Stefan (1892–1945)
释义
Banach, Stefan (1892–1945)

Mathematics
  • who was a major contributor to the subject known as functional analysis. Much subsequent work was inspired by his monograph of the theory in 1932. He also proved the contraction mapping theorem.


Statistics
  • As a baby he was given away by his parents and brought up by a laundress. At the age of fifteen he was earning a living by coaching in mathematics. In 1919 he was appointed as a lecturer at U Lviv, Ukraine, and was awarded his doctorate despite having no previous degree. He was imprisoned in L’viv during the Second World War and died shortly afterwards from his consequent ill-health.

    http://www-history.mcs.st-andrews.ac.uk/Biographies/Banach.html Fuller biography and photograph.


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