Spectra of approximating operators

Andrzej Pokrzywa. "Spectra of approximating operators." Mathematica Applicanda 24.38 (1995): null. <http://eudml.org/doc/292625>.

@article{AndrzejPokrzywa1995,
abstract = {This is an interesting expository article about the approximation of operators on a complex infinite-dimensional Hilbert space. Although the article does not include research published during the past twenty years or so, it provides a nice account of the stability of the spectrum under approximation (or perturbation). The reader interested in pursuing this area of research might refer to the bibliography in [D. A. Herrero, Approximation of Hilbert space operators. Vol. I, Pitman, Boston, MA, 1982; MR0676127] and the subsequent publications of those authors.},
author = {Andrzej Pokrzywa},
journal = {Mathematica Applicanda},
keywords = {Operator approximation theory; Perturbation theory},
language = {eng},
number = {38},
pages = {null},
title = {Spectra of approximating operators},
url = {http://eudml.org/doc/292625},
volume = {24},
year = {1995},
}

TY - JOUR
AU - Andrzej Pokrzywa
TI - Spectra of approximating operators
JO - Mathematica Applicanda
PY - 1995
VL - 24
IS - 38
SP - null
AB - This is an interesting expository article about the approximation of operators on a complex infinite-dimensional Hilbert space. Although the article does not include research published during the past twenty years or so, it provides a nice account of the stability of the spectrum under approximation (or perturbation). The reader interested in pursuing this area of research might refer to the bibliography in [D. A. Herrero, Approximation of Hilbert space operators. Vol. I, Pitman, Boston, MA, 1982; MR0676127] and the subsequent publications of those authors.
LA - eng
KW - Operator approximation theory; Perturbation theory
UR - http://eudml.org/doc/292625
ER -