Results 1 to 10 of about 380,874 (118)
Operational Phase Operators and Hermitian Phase Operators [PDF]
Progress of Theoretical Physics, 2003 Summary: It is shown that there exist two kinds of operational (or measured) phase operators, those of the Hradil type [\textit{Z. Hradil}, Phys. Rev. A 47, 4532--4534 (1993)] defined on the entire Hilbert space, and those of the Noh-Fougères-Mandel type [\textit{J. W. Noh, A. Fougères} and \textit{L. Mandel}, Phys. Rev.
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Operator Ideals and Operator Spaces [PDF]
Proceedings of the American Mathematical Society, 1995 We prove that every full symmetrically normed ideal of operators on a Hilbert space is realizable as the set of completely bounded maps between two homogeneous operator Hilbert spaces, with the c.b. norm equivalent to (but in general not equal to) the symmetric norm. We show that one can have equality of the c.b.
Mathes, D. Benjamin, Paulsen, Vern I.
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The operation $ABA$ in operator algebras [PDF]
Commentationes Mathematicae Universitatis Carolinae, 2021 Summary: The binary operation \(aba\), called Jordan triple product, and its variants (such as e.g. the sequential product \(\sqrt{a}b\sqrt{a}\) or the inverted Jordan triple product \(ab^{-1}a\)) appear in several branches of operator theory and matrix analysis. In this paper we briefly survey some analytic and algebraic properties of these operations,
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The Journal of Thoracic and Cardiovascular Surgery, 2003 AbstractJ Thorac Cardiovasc Surg 2003;125 ...
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Operator associated with the and Ψ operators [PDF]
Journal of Taibah University for Science, 2018 This paper will discuss a new operator on ideal topological spaces and characterizations of some generalized open sets. Further, it will discuss some decompositions of generalized continuities and a brief discussion on resolvability.
Md. Monirul Islam, Shyamapada Modak
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Operator Calculus of Quantized Operator [PDF]
Progress of Theoretical Physics, 1952 The notational ambiguities in Feynman's calculus are all remedied here by setting a more natural foundation of the ordered exponential operators, which will be called briefly "expansional" operators in this paper. The essential point to be stressed is that the pure exponential opErator is merely a special case of the more wider class of operators, i.e.,
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Operators Approximable by Hypercyclic Operators [PDF]
Mathematical Proceedings of the Royal Irish Academy, 2015 We show that operators on a separable infinite dimensional Banach space $X$ of the form $I +S$, where $S$ is an operator with dense generalised kernel, must lie in the norm closure of the hypercyclic operators on $X$, in fact in the closure of the mixing operators.
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Operator Symbols and Operator Indices [PDF]
Symmetry, 2019 We suggest a certain variant of symbolic calculus for special classes of linear bounded operators acting in Banach spaces. According to the calculus we formulate an index theorem and give applications to elliptic pseudo-differential operators on smooth manifolds with non-smooth boundaries.
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Applied Mathematics Letters, 2010 Abstract In this paper we define a general integral operator for analytic functions in the open unit disk and we determine some conditions for univalence of this integral operator.
Virgil Pescar, Daniel Breaz
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Proceedings of the 33rd annual meeting on Association for Computational Linguistics -, 1995 To appear in the Proceedings of ACL-95.
Karttunen, Lauri +1 more
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