Browsing Departamentul Matematică by Title

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  • Olimpiade la matematică a studenţilor UTM şi probleme de concurs 
    BALTAG, Iurie; GORIUC, Ion; ORLOV, Victor (Universitatea Tehnică a Moldovei, 2018)
    Prezenta lucrare include subiectele olimpiadelor la matematică a studenţilor Universităţii Tehnice a Moldovei, care au avut loc în anii universitari 2006-2017. În primul compartiment al lucrării este expus conţinutul ...
  • On boundedness of the operator with Cauchy kernel on the real axis 
    NEAGU, Vasile (Technical University of Moldova, 2021)
    Studying boundary value problems and singular integrale quations the class of functions Е (Г) defined on some curve Γ is considered. The main questions that arise in relation to the classes Е (Г) are the following: 1) find ...
  • On integrability of homogeneous fractional quadratic differential equation 
    COZMA, Dumitru; MATEI, Angela (Technical University of Moldova, 2021)
    The problem of the existence of polynomial inverse integrating factors and non-existence of limit cycles in equation was investigated and the problem of construction of integral curves in homogeneous equations was studied.
  • On some determination solutions of the stationary Navier-Stokes equation 
    BALTAG, Iurie (Technical University of Moldova, 2021)
    The system describes the process stationary flow of a liquid or gas on a plane surface. The P function represent the pressure of the liquid, and u, v functions represent the flow of the liquid (gas).
  • On star regular equidistant polyhedrons in Lobachevsky space 
    DAMIAN, Florin; MACAROV, P. (Technical University of Moldova, 2021)
    We have shown previously some examples when finitere gular lenspolytopes can be obtained from infinite equidistant regular polytopesin Lobachevski spaces, and that these regular lens polytopes can be used to obtain new ...
  • On the semigroup of endomorphisms of a topological universal algebra 
    CHOBAN, Mitrofan; VALUŢĂ, Ion (Technical University of Moldova, 2021)
    A topological Ω-algebra or a topological universal algebra of the signature Ω is a family {GenG: n e N} where G is a non-empty topological space and enG: Ωn×Gn → G is a continuous mapping fore each n eω.
  • Pe valurile vremii trecutului 
    VALUŢĂ, Ion (Technical University of Moldova, 2021)
    În cele ceurmeaza, vreau sa-mi exprim”Un cuvânt din inimă şi gând”- simplu spus mulţumiri tuturor şi oexpunere acelor ce s-au întâmplat în vremurile trecutului.
  • Perron-Frobenius dynamics for Markov chains 
    CHEBAN, David (Technical University of Moldova, 2021)
    This talk is dedicated to studying the problem of asymptotic behaviour of trajectories of linear dynamical systems.
  • Probleme şi exerciţii la analiza matematică 
    GORIUC, Ion (Universitatea Tehnică a Moldovei, 2015)
    Cartea de faţă prezintă o culegere de probleme şi exerciţii la analiza matematică, care este predată studenţilor tuturor facultăţilor UTM precum şi ai altor universităţi. Majoritatea exerciţiilor şi problemelor sunt ...
  • Professor Ion Valuta-teacher of many generations of students 
    CHOBAN, Mitrofan (Technical University of Moldova, 2021)
    Professor IonValuta, in the period 1952 – to present, was teacher of many generations of students. For many years Professor held various leadership positions and scientific projects, manifesting the qualities of a skilled ...
  • Programare liniară 
    BALTAG, Iurie; GORIUC, Ion; ORLOV, Victor (Universitatea Tehnică a Moldovei, 2021)
    Prezenta lucrare este destinată studenților anului întâi și doi, care își fac studiile la UTM, secția zi sau cu frecvență redusă. Această lucrare poate fi utilă și studenților altor instituții superioare de învățământ ...
  • A qualitative study of the cuartic system with maximal multiplicity of the line at the infinity 
    REPESCO, Vadim (Technical University of Moldova, 2021)
    In this paper, by using several techniques, we obtain its phase portrait on Poincaré disk.
  • Recomandari şi soluţii tehnice în învaţamântul online 
    PAVEL, Maria; PAVEL, Dorin (Technical University of Moldova, 2021)
    Schimbarile majore în procesul de învaţamânt la orice nivel (învaţamânt preşcolar, primar, gimnazial, liceal, universitar, doctorat etc.), impuse de condiţiile sanitar-pandemice la nivel mondial şi naţional, au afectat în ...
  • Reflective functors and factorization structures 
    CERBU, Olga (Technical University of Moldova, 2021)
    In the C2V category of locally convex Hausdorff vector topological spaces, some relationships between reflective functors and factorization structures are examined.
  • Reliability analysis of some complex systems with time redundancy 
    CORLAT, Andrei (Technical University of Moldova, 2021)
    In the process of elaboration of the mathematical models in the reliability theory, a wide class of random processes is used: Markovian processes, semi Markovian processes, regeneration processes, etc).
  • Seriile Fourier, transformata Fourier şi aplicările lor în radioelectronică. Material didactic 
    CERNII, Victor; CIOBANU, Nicolae; ORLOV, Victor (Universitatea Tehnică a Moldovei, 2017)
    Prezenta lucrare este un suport metodic al compartimentului Seriile Fourier al cursului Matematica superioară 2, fiind adresată studenţilor anului I universitar de la Facultatea Inginerie şi Management în Electronică şi ...
  • A simple ODE mathematical model to assess the effectiveness of facemask wearing in COVID-19 pandemic 
    BERINDE, Vasile (Technical University of Moldova, 2021)
    One of my first attempts when I start the ODE course(and later, the PDE course) is to try to persuade my students on how important are for science and technology the mathematical models builded by means of differential equations.
  • Sistem bazat pe tehnologii LABVIEW pentru predarea la distanţă a disciplinelor inginereşti 
    SUDACEVSCHI, Viorica; ABABII, Victor; MUNTEANU, Silvia; MELNIC, Radu; CARBUNE, Viorel (Technical University of Moldova, 2021)
    Implementarea învaţamântului la distanţa pentru discipline inginereşti necesita utilizarea unor tehnologii avansate care sa permita crearea laboratoarelor virtuale. În lucrare a fost prezentat un system destinat integrarii ...
  • Solving the non-linear transportation problem on network 
    PAŞA, Tatiana (Technical University of Moldova, 2021)
    In this paper we study the non-linear transportation problem on network. The aim of this paper is to propose algorithms that solve the problem.
  • Some aspects regarding torque study and elaboration of the blades orientation mechanism for microhydropower plant 
    BOSTAN, Viorel; BOSTAN, Ion; DULGHERU, Valeriu; CIOBANU, Oleg (Technical University of Moldova, 2021)
    In the following, we calculate the hydrodynamic coefficients for the reference profile NACA 0016 with length rope, for example c = 1,3 m.

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