Linear operators for which $T^*T$ and $T+T^*$ commute.
Campbell, Stephen L.
Pacific J. Math., Tome 61 (1975) no. 2, p. 53-57 / Harvested from Project Euclid
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Publié le : 1975-05-14
Classification:  47B99 
@article{1102868223,
     author = {Campbell, Stephen L.},
     title = {Linear operators for which $T^*T$ and $T+T^*$ commute.},
     journal = {Pacific J. Math.},
     volume = {61},
     number = {2},
     year = {1975},
     pages = { 53-57},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1102868223}
}

Campbell, Stephen L. Linear operators for which $T^*T$ and $T+T^*$ commute.. Pacific J. Math., Tome 61 (1975) no. 2, pp.  53-57. http://gdmltest.u-ga.fr/item/1102868223/