Otto Schreier
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Otto Schreier was a Jewish-Austrian mathematician who made major contributions in combinatorial group theory and in the topology of Lie groups.
Otto Schreier
Max Dehn
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Max Wilhelm Dehn was a German mathematician most famous for his work in geometry, topology and geometric group theory. Dehn's early life and career took place in Germany. However, he was forced to ret
Otto Schreier
…camp during the Holocaust. Schreier was introduced to group theory by Kurt Reidemeister and first examined knot groups in 1924 following work by Max Dehn. His best-known work is his habilitation thesis on the subgroups of free groups, in which he generalizes the results of Reidemeister about normal…
Max Dehn