Stăvilă, Vitalie; Gulea, Aurelian; Șova, Sergiu; Gdanec, M.; Simonov, Iurie(2002)
Compounds of the [Co(DH)2A2](BiEdta)·6H 2O type (where DH is the monodeprotonated dimethylglyoxime -ON=C(CH3)-(CH3)C=NOH; A is the o-, m-, or p-toluidine; and Edta is the ethylenediaminetetraacetate(4-) ion) were synthesized ...
Benzoylhydrazine and isonitrosoacetone react in ethanol with cobalt, nickel, and copper halides and acetates to give the coordination compounds MX2(HL)·nH2O, MX2(HL) 2·nH2O, and ML2·nH2O [M = Co, Ni, Cu; X = Cl, Br; HL = ...
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 ...
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(Academia de Ştiinţe a Moldovei, 2003)
We study the behavior of solutions of the problem εu′′(t)+u′(t)+Au(t) =f (t), u(0) = u0, u′(0) = u1 in the Hilbert space H as ε → 0, where A is a linear,symmetric, strong positive operator.
Benzoylhydrazones of 5-nitro- (H2L1), 3-nitro- (H2L2), 5-chloro- (H2L3), 5-bromo- (H2L4), and 3,5-dibromosalicylaldehydes (H 2L5) react in ethanol with copper acetate to form complexes CuL1-5. In the presence of amines (A ...
Materialul didactic Dreptul de arendă este destimat pentru studenţii specilizării Drept economic.
Conţinutul materialului didactic cuprinde problemele de bază ce ţin de raporturile juridice de arendă la etapa actuală: ...
In this article we examine certain problems regarding the variables that may influence the university pedagogical staff evaluation by students (namely the gender variable) and present the results of the empiricstudy performed ...
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 ...
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, ...
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.
The article is devoted to the study of quasi-linear nonautonomous difference equations: invariant manifolds, compact global attractors, almost periodic and recurrent solutions and chaotic sets. First, we prove that such ...