Browsing 2. Articole by Issue Date

Browsing 2. Articole by Issue Date

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  • Lozovanu, Dumitru (2003)
    We consider the packing knapsack problem, which generalizes the classical knapsack problem. A dynamic programming algorithm for solving this problem and its applicationto find the k-optimal tree in a weighted directed graph ...
  • Perjan, Andrei (Institutul de Matematică şi Informatică al AŞM, 2003)
    We study the behavior of solutions of the problemεu′′(t)+u′(t)+Au(t) =f(t), u(0) =u0, u′(0) =u1in the Hilbert spaceHasε→0, whereAis a linear,symmetric, strong positive operator.
  • Gerco, Anatolie (Institutul de Matematică şi Informatică al AŞM, 2003)
    We extend the concept of the ergodic set [1] – [2] from topological trans-formation groups to topological transformation semigroups. We investigate, in par-ticular, connections between ergodicity, weak ergodicity, topological ...
  • Cheban, David; Kloeden, Peter-E.; Schmalfuss, Bjorn (Institutul de Matematică şi Informatică al AŞM, 2003)
    This article is devoted to the study of the compact global atrractors of Vmomotone nonautonomous dynamical systems.We give a description of the structure of compact global attractors of this class of systems. Several ...
  • Glavan, Vasile; Rzeszotko, Z. (Institutul de Matematică şi Informatică al AŞM, 2003)
    Linear Poisson actions of the groupRmare considered. Conditions on thejoint spectrum of the generators and on the centralizers assuring stability and strongstability of the action are given. We give also some examplesof ...
  • Grigoriu, Nicolae (Valines SRL, 2004)
    In this article special structures of stable subgraphs and some of their most important properties that will be necessary for calculation of the number of transitive orientations of an undirected graph are described.
  • Cheban, David; Mammana, Cristiana (Institutul de Matematică şi Informatică al AŞM, 2004)
    The article is devoted to the study of absolute asymptotic stability ofdiscrete linear inclusions (both autonomous and non-autonomous) in Banach space.We establish the relation between absolute asymptotic stability, uniform ...
  • Spinu, Efimii (Institutul de Matematică şi Informatică al AŞM, 2004)
    In this paper we build a basis in a separable symmetrically normed ideal.
  • Fonoberova, Maria; Lozovanu, Dmitrii (Institutul de Matematică şi Informatică al AŞM, 2004)
    In this paper we study the dynamic version of the nonlinear minimum- cost flow problem on networks. We consider the problem on dynamic networks with nonlinear cost functions on edges that depend on time and flow. Moreover, ...
  • Cucu, Ion V. (Institutul de Matematică şi Informatică al AŞM, 2006)
    We examine chain logicsC2, C3, . . . ,which are intermediary betweenclassical and intuitionistic logics. They are also the logics of pseudo-Boolean algebrasof type< Em,&,∨,⊃,¬>, whereEmis the chain 0< τ1< τ2<···< τm−2<1 ...
  • Bujac, Mariana (Institutul de Matematică şi Informatică al AŞM, 2006)
    n the paper [3] we tried to generalize the problem of existence of a di-rected (n−1)-dimensional Euler tour for the abstract directedn-dimensional manifold,which is acomplex of multi-ary relations[5], namely by means of ...
  • Shenesheutskaia, Alla (Institutul de Matematică şi Informatică al AŞM, 2006)
    The connection between junior groups of three independent kinds ofantisymmetry transformations and junior groups of (221)-symmetry, derived fromspace Fedorov groups was established. This connection allowed us to find all ...
  • Capcelea, Titu (Institutul de Matematică şi Informatică al AŞM, 2006)
    The computation schemes of collocation and mechanical quadraturemethods for approximate solving of the complete singular integral equations withpiecewise continuous coefficients and a regular kernel with weak singularity ...
  • Bujac, Mariana; Cataranciuc, Sergiu; Soltan, Petru (Institutul de Matematică şi Informatică al AŞM, 2006)
    We prove that in the class of abstract multidimensional manifolds withoutborders only torusVn1of dimensionn≥1 can be divided in abstract cubes with theproperty: every faceImfromVn1is shared by 2n−mcubes,m= 0,1, . . . , ...
  • Bejan, Andrei (Institutul de Matematică şi Informatică al AŞM, 2006)
    We investigate here how to treat numerically the Kendall functional equa-tion occuring in the theory of branching processes and queueing theory. We discussthis question in the context of priority queueing systems with ...
  • Cheban, David; Mammana, Cristiana (Institutul de Matematică şi Informatică al AŞM, 2006)
    The article is devoted to the study of absolute asymptotic stability of discrete linear inclusions in Banach (both finite and infinite dimensional) space. We establish the relation between absolute asymptotic stability, ...
  • Larionova-Cojocaru, Inga; Syrbu, Parascovia (CEP USM, 2007)
    We prove that the recursive derivatives of order 1 of isotopic left Bol loops are isotopic and that every loop, isotopic to a recursively 1-differentiable left Bol loop, is recursively 1-differentiable.The recursive ...
  • Crăciun, Ion (CEP USM, 2007)
    In Web based training the core is represented by the one so-called eLearning platform, that should offer facilities both for students and teacher. In the following article we are present a synthesis of the structure of ...
  • Capcelea, Titu (CEP USM, 2007)
    We present a fast algorithm with O(n log n) computational complexity for the approximate solution of Cauchy 2 singular integral equations with smooth continuous coefficients, defined on the unit circle of the complex ...
  • Căpățână, Gheorghe (CEP USM, 2007)
    During the transition period from the existing technologies to new ones based on a different philosophy, all methods regarding information system design are welcome if they are capable to be immediately exploited and ...

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