Results 31 to 40 of about 92 (86)
Mathematics: The S. cerevisae for Natural Science Research
, 2012 International Journal of Mathematics and Mathematical Sciences, Volume 2012, Issue 1, 2012.
Shigeru Kanemitsu +3 more
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Quasisimilarity of Hyponormal and Subdecomposable Operators
Journal of Functional Analysis, 1993 For separable complex Hilbert spaces \({\mathcal H}_ 0\) and \(\mathcal H\) let \({\mathcal L}({\mathcal H}_ 0)\) and \({\mathcal L}({\mathcal H})\) be the corresponding spaces of bounded linear operators. If \(T\in {\mathcal L}({\mathcal H}_ 0)\) is an operator without eigenvalues, \(S\in {\mathcal L}({\mathcal H})\) is a subdecomposable operator (i.e.
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Spectral mapping of hyponormal or semi-hyponormal operators
Journal of Mathematical Analysis and Applications, 1981 For TE P(R’), we write ( T( = (PT)‘12. In this paper, when we consider a semi-hyponormal operator T, we &ways assume that the operator U in the polar decomposition T = U 1 TI is unitary, for the sake of simplicity. Let E be a bounded closed set in the real line R 1, and M(E) be the class of all stricly monotone increasing continuous function on E ...
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An invariant for certain operator algebras. [PDF]
Proc Natl Acad Sci U S A, 1974 Carey RW, Pincus JD.
europepmc +1 more source
The spectrum of seminormal operators. [PDF]
Proc Natl Acad Sci U S A, 1971 Pincus JD.
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Norm of a derivation and hyponormal operators
, 2001 Let \(({\mathcal J}, \|\cdot\|_{{\mathcal J}})\) be a two-sided norm ideal in the algebra \({\mathcal L}(H)\) of all bounded linear operators on a complex Hilbert space \(H\). For \(A\in{\mathcal L}(H)\), the inner derivation induced by \(A\) is the operator \(\delta_A\) defined on \({\mathcal L}(H)\) by \(\delta_A(X)= AX-XA\), \(X\in {\mathcal L}(H)\).
Barraa, Mohamed, Boumazgour, Mohamed
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