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Obituary Apl. Prof. Dr. Johannes Brasche
The Institute of Mathematics at Clausthal University of Technology mourns the sudden and unexpected loss of its...
The Institute of Mathematics at Clausthal University of Technology mourns the sudden and unexpected loss of its adjunct professor Dr. Johannes Brasche, who left us on December 17, 2018...
The Institute of Mathematics at Clausthal University of Technology mourns the sudden and unexpected loss of its adjunct professor Dr. Johannes Brasche on 17 December 2018.
Professor Brasche was an internationally renowned and respected mathematician. He is one of the pioneers ofinverse spectral theory. His contributions to δ-shaped perturbations in operator theory were groundbreaking and are highly regarded. As a long-standing member of staff, he has left his mark on the Institute of Mathematics at Clausthal University of Technology.
Johannes Brasche was born in Frankfurt am Main in 1956 and studied mathematics and physics at Bielefeld University to become a teacher, but decided to pursue a career in science after his first state examination. He obtained his doctorate in 1988 at the University of Bielefeld on the subject of "Perturbations of self-adjoint operators supported by null sets". He then worked as a research assistant at the universities of Bielefeld, Bochum and Frankfurt before habilitating in Bochum in 1996. The topic of his habilitation thesis was "On spectra of self-adjoint extensions and generalized Schrödinger operators".
After several professorships at the University of Bonn, he was appointed (tenured) Associate Professor at Chalmers University of Technology in Gothenburg in 2000. For family reasons, he moved to a position as a research assistant at the Institute of Mathematics at Clausthal University of Technology in 2004, where he was appointed private lecturer in mathematics in 2015 and adjunct professor in the field of "Mathematical Modeling" in April 2018.
Professor Brasche has always put all his energy into mathematics at Clausthal and for the students. He held a large number of lectures with great success, which, like his specialist lectures, were always sophisticated and focused on the audience. He was very popular with students of all subjects and was much in demand as a supervisor for numerous Bachelor's and Master's theses due to his great commitment. During thevideo recordingof lectures, he was a pioneer in the field of mathematics. He was a long-standing member of the Study Commission for Mathematics and Computer Science, Deputy Dean of Studies and a member of the Examination Board for Mathematics and Computer Science.
Above all, however, he will be remembered for his friendly and helpful manner, his constant good humor and his willingness to listen to any difficulties. Johannes Brasche leaves a big gap at our institute.
Our sincere condolences go to his family.
