Essay on Albrecht Böttcher
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Abstract
About 40 years ago Albrecht Böttcher stepped into my life as a real person. It was when he began his study in mathematics at the TU Karl-Marx-Stadt (now TU Chemnitz) in the year 1975. My curricular duty was to give the analysis course, and so I met him for the first time at the lectures. But, as a matter of fact, I had already heard about him and his close friend Elias Wegert before.
Keywords
Toeplitz Operator Bounded Linear Operator Essential Spectrum Singular Integral Operator Toeplitz Matrice
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