The detection and quantification of quantum coherence play significant roles in information processing. We present an efficient way tomographic witnessing for both theoretical experimental coherence. prove that a witness is optimal if only all its diagonal elements are zero. Naturally, we obtain bona fide homographic measure given by the sum absolute values real imaginary parts non-diagonal ent...

Let $n\in \mathbb{N}, n\geq 2.$ An element $x=(x_1, \ldots, x_n)\in E^n$ is called a {\em norming point} of $T\in {\mathcal L}(^n E)$ if $\|x_1\|=\cdots=\|x_n\|=1$ and$|T(x)|=\|T\|,$ where ${\mathcal denotes the space all continuous $n$-linear forms on $E.$For we define set} $T$
 \centerline{$\qopname\relax o{Norm}(T)=\Big\{(x_1, E^n: (x_1, x_n)~\mbox{is point of}~T\Big\}.$}
 By $i=(i...

in this paper, we find explicit solution to the operator equation$txs^* -sx^*t^*=a$ in the general setting of the adjointable operators between hilbert $c^*$-modules, when$t,s$ have closed ranges and $s$ is a self adjoint operator.

We consider the transitive linear maps on the operator algebra $B(X)$for a separable Banach space $X$. We show if a bounded linear map is norm transitive on $B(X)$,then it must be hypercyclic with strong operator topology. Also we provide a SOT-transitivelinear map without being hypercyclic in the strong operator topology.

An important observation in compressed sensing is that the $\ell_0$ minimizer of an underdetermined linear system equal to $\ell_1$ when there exists a sparse solution vector and certain restricted isometry property holds. Here, we develop continuous analogue this show best $L_0$ $L_1$ polynomial approximants corrupted on set small measure are nearly equal. We demonstrate error localization use...

the purpose of this paper is to introduce the concept of l-fuzzybilinear operators. we obtain a decomposition theorem for l-fuzzy bilinearoperators and then prove that a l-fuzzy bilinear operator is the same as apowerset operator for the variable-basis introduced by s.e.rodabaugh (1991).finally we discuss the continuity of l-fuzzy bilinear operators.

the main purpose of this paper is to detemine the fine spectrum of the generalized difference operator delta_{uv} over the sequence space c0. these results are more general than the fine spectrum of the generalized difference operator delta_{uv} of srivastava and kumar.