Integration of semistructured information is a new research topic in database area. Different approaches has been proposed in the past years, however no satisfactory solution has been found. In this paper, we present our approach of using conceptual modeling and intelligent agents to integrate semistructured data. We use a database coupled with intelligent agents to warehouse semistructured dat...

We consider an optimal control problem with indeenite cost for an abstract model which covers in particular hyperbolic and hyperbolic-like systems in a general bounded domain. Necessary and suucient conditions are given for the synthesis of the optimal control, which is given in terms of the Riccati operator arising from a nonstandard Riccati equation. The theory also extends a nite-dimensional...

BACKGROUND The most frequently used method to quantitatively describe the response to ionizing irradiation in terms of clonogenic survival is the linear-quadratic (LQ) model. In the LQ model, the logarithm of the surviving fraction is regressed linearly on the radiation dose by means of a second-degree polynomial. The ratio of the estimated parameters for the linear and quadratic term, respecti...

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We show that non of the spaces ( ⊕∞ n=1 lp)lq , 1 ≤ p ̸= q < ∞ have a greedy basis. This solves a problem raised by Dilworth, Freeman, Odell and Schlumprect. Similarly, the spaces ( ⊕∞ n=1 lp)c0 , 1 ≤ p < ∞, and ( ⊕∞ n=1 co)lq , 1 ≤ q < ∞, do not have greedy bases. It follows from that and known results that a class of Besov spaces on Rn lack greedy bases as well.

The multiresolution expansion {Ejf}j∈N, f ∈ D Lq (R), 1 ≤ q ≤ ∞, is defined via a scaling function which order of regularity is equal to the order of f. Abelian and Tauberian type theorems for the quasiasymptotic behavior at infinity of distributions from D Lq (R) related to the quasiasymptotic behavior at infinity of its projections Ejf, j ∈ N, are given. AMS Mathematics Subject Classification...

We show that a reflexive subspace of the predual of a von Neumann algebra embeds into a noncommutative Lp space for some p > 1. This is a noncommutative version of Rosenthal’s result for commutative Lp spaces. Similarly for 1 ≤ q < 2, an infinite dimensional subspace X of a noncommutative Lq space either contains lq or embeds in Lp for some q < p < 2. The novelty in the noncommutative setting i...

Pertumbuhan ekonomi yang tinggi wujud salah satu bentukkeberhasilan pembangunan suatu daerah. Pembangunan daerahdapat berkembang melalui pengembangan sektor unggulan daerahyang akan mendorong berkembangnya lainnya. Tujuan daripenelitian ini ialah untuk mengidentifikasi perekonomian yangmerupakan basis dan non di Kota Metro denganmenggunakan metode location quotient (LQ) dynamic locationquotient...

This paper is concerned with a discrete-time indefinite stochastic LQ problem in an infinite-time horizon. A generalized stochastic algebraic Riccati equation GSARE that involves the MoorePenrose inverse of a matrix and a positive semidefinite constraint is introduced. We mainly use a semidefinite-programmingSDPbased approach to study corresponding problems. Several relations among SDP compleme...