Lothar collatz biography of martin

The Collatz—Wielandt formula for the Perron—Frobenius eigenvalue of a positive square matrix was also named after him. Collatz's paper with Ulrich Sinogowitz, [ 1 ] who had been killed in the bombing of Darmstadt in World War II , [ 2 ] founded the field of spectral graph theory. He then worked as an assistant at the University of Berlin, before moving to the Technische Hochschule Karlsruhe now Karlsruhe Institute of Technology in where he remained through From to , he worked as a Privatdozent in Karlsruhe.

Lothar collatz biography of martin: Looking for books by Lothar

From until his retirement in , Collatz worked at the University of Hamburg , where he founded the Institute of Applied Mathematics in After retirement as professor emeritus , he continued to be very active at mathematical conferences. For his many contributions to the field, Collatz had many honors bestowed upon him in his lifetime, including:.

He died unexpectedly from a heart attack in Varna , Bulgaria , while attending a mathematics conference. Contents move to sidebar hide. Article Talk. Read Edit View history.