Geodesic
Normal-Preserving Linear Mappings
Canadian mathematical bulletin, Tome 37 (1994) no. 3, pp. 306-309

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DOI

Let H be a Hilbert space, dim H ≥ 3, and B(H) the algebra of all bounded linear operators on H. We characterize bijective linear mappings on B(H) that preserve normal operators.
DOI : 10.4153/CMB-1994-046-1
Mots-clés : 47B15, 47D30 
Brešar, Matej; Šemrl, Peter. Normal-Preserving Linear Mappings. Canadian mathematical bulletin, Tome 37 (1994) no. 3, pp. 306-309. doi: 10.4153/CMB-1994-046-1
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     title = {Normal-Preserving {Linear} {Mappings}},
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     year = {1994},
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     doi = {10.4153/CMB-1994-046-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1994-046-1/}
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