Geodesic
Sous-normalité jointe non bornée et applications
Olivier Demanze1
1Laboratoire de Mathématiques, UMR 8524 Université des sciences et technologies de Lille 59655 Villeneuve d'Ascq Cedex, France
Studia Mathematica, Tome 171 (2005) no. 3, pp. 227-237
Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences

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T. Trent gave a new characterization of subnormality for an operator on a Hilbert space. T. Bînzar and D. Păunescu generalized this condition to commuting triples of operators. Here, we give an $n$-variable unbounded version of the above results. Theorems of this kind have also been obtained by Z. J. Jabłoński and J. Stochel.
DOI : 10.4064/sm171-3-2
Mots-clés : trent gave characterization subnormality operator hilbert space nzar unescu generalized condition commuting triples operators here n variable unbounded version above results theorems kind have obtained jab ski stochel

Olivier Demanze  1

1 Laboratoire de Mathématiques, UMR 8524 Université des sciences et technologies de Lille 59655 Villeneuve d'Ascq Cedex, France 
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Olivier Demanze. Sous-normalité jointe non bornée et applications. Studia Mathematica, Tome 171 (2005) no. 3, pp. 227-237. doi: 10.4064/sm171-3-2

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