Linear operators and their spectra
Davies, Brian E
Linear operators and their spectra - New York Cambridge university press 2007 - xii+451 - Cambridge studies in advanced mathematics .
Cambridge studies in advanced mathematics Vol. 106
9780521866293
Fourier transforms
Perturbation theory
Pseudospectrum
Linear operators and their spectra - New York Cambridge university press 2007 - xii+451 - Cambridge studies in advanced mathematics .
Cambridge studies in advanced mathematics Vol. 106
9780521866293
Fourier transforms
Perturbation theory
Pseudospectrum
