Oswald Teichmüller
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Paul Julius Oswald Teichmüller was a German mathematician. He made contributions to complex analysis, including the introduction of quasiconformal mappings and differential geometric methods into the
Teichmuller
Helmut Hasse
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Helmut Hasse was a German mathematician working in algebraic number theory, known for fundamental contributions to class field theory, the application of p-adic numbers to local class field theory and
Oswald Teichmüller
…and the Teichmüller cocycle. Born in Nordhausen, Teichmüller attended the University of Göttingen, where he graduated in 1935 under the supervision of Helmut Hasse. His doctoral dissertation was on operator theory, though this was his only work on functional analysis. His next few papers were algebraic, but he…
Helmut Hasse
Hasse with Emil Artin in 1930