نتایج جستجو برای: trace class operator

تعداد نتایج: 548362  

Journal: :Journal of Mathematical Analysis and Applications 2021

In this paper we considered some new classes of multivalent functions by using Aouf-Silverman-Srivastava operator and derived some important results using convolution and subordination technique. This new class is an extension of a class which introduced before.

2008
Jerzy Lewandowski

The flat FRW model coupled to the massless scalar field according to the improved, background scale independent version of Ashtekar, Pawlowski and Singh [1] is considered. The core of the theory is addressed directly: the APS construction of the quantum Hamiltonian is analyzed under the assumption that cosmological constant Λ ≤ 0. We prove the essential self-adjointness of the operator whose sq...

Journal: :Mathematical Inequalities & Applications 2019

Journal: :Science China Mathematics 2015

2015
Brian Jefferies

Bilinear integrals of operator-valued functions with respect to spectral measures and integrals of scalar functions with respect to the product of two spectral measures arise in many problems in scattering theory and spectral analysis. Unfortunately, the theory of bilinear integration with respect to a vector measure originating from the work of Bartle cannot be applied due to the singular vari...

1994
Thomas P. Branson Peter B. Gilkey Antoni Pierzchalski

Let M be a compact smooth Riemannian man-ifold without boundary and let D = ad 0 0 + bb 1 d 1 ? E on the space of smooth sections of the cotangent bundle where a and b are positive constants and where E is an endomorphism. We use functorial methods and the pseudo-diierential operator calculus to compute the quadratic term a 4 (D) in the asymptotic expansion of the heat equation trace. MOS class...

Journal: :Proceedings of the American Mathematical Society 1961

2010
GARY WEISS

Let H denote a separable, infinite-dimensional complex Hilbert space. A two-sided ideal / of operators on H possesses the generalized Fuglede property (GFP) if, for every normal operator N and every X e L(H), NX XN e I implies N*X XN* e /. Fuglede's Theorem says that / = {0} has the GFP. It is known that the class of compact operators and the class of Hilbert-Schmidt operators have the GFP. We ...

Journal: :international journal of nonlinear analysis and applications 2012
l. stanciu d. breaz

in this paper, we study the convexity of the integral operator

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