Browsing Universidad Católica del Norte by Author "Karmouni, Mohammed"
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Upper triangular operator matrices and limit points of the essential spectrum
Karmouni, Mohammed; Tajmouati, A.; A. El Bakkali, A.. Proyecciones. Journal of Mathematics; Vol 38 No 3 (2019); 401-409 -
Upper triangular operator matrices and limit points of the essential spectrum
Karmouni, Mohammed; Tajmouati, A.; A. El Bakkali, A.. Proyecciones. Journal of Mathematics; Vol 38 No 3 (2019); 401-409