Displaying similar documents to “Sur quelques extensions au cadre banachique de la notion d'opérateur de Hilbert-Schmidt”

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Simone Chevet, W. Wojtyński, C. Bessaga, C. McCarthy, D. Przeworska-Rolewicz, N. Tomczak, W. Mlak, A. Persson, U. Schlotterbeck, J. Schmets, Yu. Vladimirskiĭ, W. Szlenk, Christian Fenske, Eberhard Schock, N. Kalton, Leonard Gross, G. Köthe, M. Zerner, T. Pytlik, Dimiter Skordev, N. Peck, M. de Wilde, W. Szczyrba, G. Neubauer, N. Aronszajn, G. Dennler, Ivan Dobrakov, M. Jonac, C. Samuel, Y. Kōmura, M. Dragilev, E. Semenov, Nicolae Popa, Sivliu Teleman (1970)

Studia Mathematica

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S. CHEVET, p-ellipsoïdes de l 2 . Mesures cylindriques gaussiennes 439-441 W. WOJTYŃSKI On conditional bases in non-nuclear Fréchet spaces 441 C. BESSAGA, A theorem on complemented subspaces of nuclear spaces 441-442 C. MCCARTHY, Optimal conditioning of operators 442-443 D. PRZEWORSKA-ROLEWICZ, On algebraic derivative 443-444 N. TOMCZAK, A remark (p,q)-absolutely summing operators in L p -spaces 444-445 W. MLAK, Decompositions of operator representations of function algebras 445-446 A. PERSSON,...

Sous-normalité jointe non bornée et applications

Olivier Demanze (2005)

Studia Mathematica

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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.