نتایج جستجو برای: operator space
تعداد نتایج: 572339 فیلتر نتایج به سال:
These are notes for a lecture delivered on 12 May, 2008, in a graduate course on operator algebras in Berkeley. The intent was to give a brief introduction to the basic ideas of operator space theory. The notes were hastily written and have not been carefully checked for accuracy or political correctness. 1. An overview of operator spaces We learn early on that every Banach space S is isometric...
In this article, we characterize the sufficient and necessary conditions for positiveness of operator matrices with Toeplitz little Hankel operators on Bergman space. Further, explore some to be normal unitary.
In this paper we introduce and study Besselian $g$-frames. We show that the kernel of associated synthesis operator for a Besselian $g$-frame is finite dimensional. We also introduce $alpha$-dual of a $g$-frame and we get some results when we use the Hilbert-Schmidt norm for the members of a $g$-frame in a finite dimensional Hilbert space.
In present paper a certain convolution operator of analytic functions is defined. Moreover, subordination and superordination- preserving properties for a class of analytic operators defined on the space of normalized analytic functions in the open unit disk is obtained. We also apply this to obtain sandwich results and generalizations of some known results.
using a generalized spherical mean operator, we obtain a generalization of titchmarsh's theorem for the dunkl transform for functions satisfying the ('; p)-dunkl lipschitz condition in the space lp(rd;wl(x)dx), 1 < p 6 2, where wl is a weight function invariant under the action of an associated re ection group.
let be a hilbert space of functions analytic on a plane domain such that for every in the functional of evaluation at is bounded. assume further that contains the constants and admits multiplication by the independent variable , , as a bounded operator. we give sufficient conditions for to be reflexive for all positive integers .
Crossover operator plays a crucial role in the efficiency of genetic algorithm (GA). Several crossover operators have been proposed for solving the travelling salesman problem (TSP) in the literature. These operators have paid less attention to the characteristics of the traveling salesman problem, and majority of these operators can only generate feasible solutions. In this paper, a crossover ...
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