Operators with disconnected spectra are dense
Herrero, Domingo A. ; Salinas, Norberto
Bull. Amer. Math. Soc., Tome 78 (1972) no. 4, p. 525-526 / Harvested from Project Euclid
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Publié le : 1972-07-14
Classification:  47A15,  47A10,  47A55 
@article{1183533886,
     author = {Herrero, Domingo A. and Salinas, Norberto},
     title = {Operators with disconnected spectra are dense},
     journal = {Bull. Amer. Math. Soc.},
     volume = {78},
     number = {4},
     year = {1972},
     pages = { 525-526},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1183533886}
}

Herrero, Domingo A.; Salinas, Norberto. Operators with disconnected spectra are dense. Bull. Amer. Math. Soc., Tome 78 (1972) no. 4, pp.  525-526. http://gdmltest.u-ga.fr/item/1183533886/