Image of Heinrich Tietze

Heinrich Tietze

was born 142 years ago

31 August 1880

Heinrich Tietze was an Austrian mathematician, known for the Tietze extension theorem. He also developed the Tietze transformations for group presentations, and was the first to pose the group isomorphism problem.

Find out more at: https://mathshistory.st-andrews.ac.uk/Biographies/Tietze/