Mathematician:Heinrich Franz Friedrich Tietze

Austrian mathematician mainly working in abstract algebra and topology.

Nationality
Austrian

History

 * Born: 31 Aug 1880, Schleinz (E of Neunkirchen), Austria
 * Died: 17 Feb 1964, Munich, Germany

Theorems and Definitions

 * Tietze Extension Theorem
 * Tietze Transformation

Books, Publications, etc.

 * Famous Problems of Mathematics