Geodesic
Compact Derivations on Von Neumann Algebras
Canadian mathematical bulletin, Tome 24 (1981) no. 1, pp. 87-90

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DOI

If is a von Neumann algebra that thas no nonzero finite discrete central projection, then there is no nontrivial compact derivation of into itself.
DOI : 10.4153/CMB-1981-013-x
Mots-clés : 46L10, 46L05, compact derivations, von Neumann algebras, infinite discrete von Neumann algebras, continuous von Neumann algebras, the theorem of comparability, the central support of a projection, C*-algebras 
Tsui, Sze-Kai. Compact Derivations on Von Neumann Algebras. Canadian mathematical bulletin, Tome 24 (1981) no. 1, pp. 87-90. doi: 10.4153/CMB-1981-013-x
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     title = {Compact {Derivations} on {Von} {Neumann} {Algebras}},
     journal = {Canadian mathematical bulletin},
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     number = {1},
     doi = {10.4153/CMB-1981-013-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1981-013-x/}
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