Cosine of angle and center of mass of an operator
We consider the notion of real center of mass and total center of mass of a bounded linear operator relative to another bounded linear operator and explore their relation with cosine and total cosine of a bounded linear operator acting on a complex ...
Das, Gopal, Paul, Kallol
core
Moment problems for operator polynomials
We extend Haviland's theorem on the integral representation of positive linear functionals on usual (real multivariate) polynomials to the integral representation of positive linear maps on operator polynomials mapping into the space of operators.
Aljaž Zalar +29 more
core +1 more source
Testing Linear Operator Constraints in Functional Response Regression with Incomplete Response Functions. [PDF]
Park Y, Han K, Simpson DG.
europepmc +1 more source
Iterative method for solving linear operator equation of the first kind. [PDF]
Noaman SA +3 more
europepmc +1 more source
On Robustness in the Gap Metric and Coprime Factor Uncertainty for LTV Systems [PDF]
In this paper, we study the problem of robust stabilization for linear time-varying (LTV) systems subject to time-varying normalized coprime factor uncertainty.
Djouadi, Seddik M.
core
Iterative Methods for Computing the Resolvent of Composed Operators in Hilbert Spaces
The resolvent is a fundamental concept in studying various operator splitting algorithms. In this paper, we investigate the problem of computing the resolvent of compositions of operators with bounded linear operators.
Yixuan Yang, Yuchao Tang, Chuanxi Zhu
doaj +1 more source
Adjointability of densely defined closed operators and the Magajna-Schweizer Theorem [PDF]
In this notes unbounded regular operators on Hilbert $C^*$-modules over arbitrary $C^*$-algebras are discussed. A densely defined operator $t$ possesses an adjoint operator if the graph of $t$ is an orthogonal summand.
Frank, Michael, Sharifi, Kamran
core
On the conditional distribution of a multivariate Normal given a transformation – the linear case
We show that the orthogonal projection operator onto the range of the adjoint T⁎ of a linear operator T can be represented as UT, where U is an invertible linear operator. Given a Normal random vector Y and a linear operator T, we use this representation
Rajeshwari Majumdar, Suman Majumdar
doaj +1 more source
Subordination preserving properties associated with a class of operators
The purpose of this paper is to find some subordination preserving properties of analytic functions associated with a class of operators with complex parameters.
Poonam Sharma, Ravinder K. Raina
doaj
TWO METHODS OF DESCRIBING 2-LOCAL DERIVATIONS AND AUTOMORPHISMS
In the present paper, we investigate 2-local linear operators on vector spaces. Sufficient conditions are obtained for the linearity of a 2-local linear operator on a finite-dimensional vector space. To do this, families of matrices of a certain type are
Farhodjon Arzikulov +2 more
doaj +1 more source

