Annual report 1998

Human resources

Publications

Books

M.-C. Anisiu, Methods of nonlinear analysis with applications in celestial mechanics, Presa Universitară Clujeană, 1998, ISBN 973-9354-61-0 (in Romanian)

Papers

I. Păvăloiu, On the efficiency of the computations for approximating the solutions of equations, Bul. Ştiinţ. Univ. Baia Mare, Ser. B Mat.-Inf., 14 (1998) no. 1, pp. 59-64.
I. Argyros, E. Cătinaş, I. Păvăloiu, Improving the rate of convergence of some Newton-like methods for the solution of nonlinear equations containing a nondifferentiable term, Rev. Anal. Numér. Théor. Approx., 27 (1998) no. 2, pp. 191-202.
E. Cătinaş, I. Păvăloiu, On some interpolatory iterative methods for the second degree polynomial operators (I), Rev. Anal. Numér. Théor. Approx., 27 (1998) no. 1, pp. 33-45.
C. Mustăţa, On the derivative-interpolating spline functions of even degree, Bull. Şt. Univ. Baia Mare, Seria B, Fascicola Matematică-informatică, 14 (1998) no. 1, 51-58.
C. Mustăţa, Şt. Cobzaş, Extension of bilinear functionals and best approximation in 2-normed space, Studia Univ. ”Babeş-Bolyai”, Seria Mathematica, XLIII, Nr.2 (1998), 1-13.
C. Mustăţa, A. Mureşan and R. Mustăţa, The approximation by spline functions of the solutions of a singularly perturbed bilocal problem, Rev. Anal. Numér. Théor. Approx. 27 (1998).
A. Revnic, A one-step Method for the Numerical Solution of Ordinary Differential Equations, Rev. Anal. Numer. Theor. Approx., 27 1998 no. 2, pp. 339-350.
N. Suciu, C. Vamoş, A. Georgescu, U. Jaekel, H. Vereecken, Coarse Grained and Stochastic Averages. Applications to Transport Processes in Porous Media, Internal Report No. 500198, Forschungszentrum Jülich, ICG-4, May 1998.
N. Suciu, C. Vamoş, A. Georgescu, U. Jaeckel, H. Vereecken, Transport processes in porous media. 1. Continuous modeling, Rom J. Hydr. & Water Resour. 5 (1998) no. 1-2, 39-56.
C. Vamoş, N. Suciu, A. Georgescu, U. Jaeckel, H. Vereecken, Transport processes in porous media. 2. Numerical modeling, Rom J. Hydr. & Water Resour. 5 (1998) no. 1-2, 85-98.
C. Vamoş, N. Suciu, U. Jaekel, H. Vereecken, Numerical Modelling of Diffusion Processes by Cellular Automata, Internal Report No. 501198, Forschungszentrum Jülich, ICG-4, July 1998.
V. Soporan, C. Vamoş, C. Pavai, Numerical modeling with reduced resolution of the solidification process of the parts with great dimensions, Revista de turnătorie, (1998) no. 1, 6-10 (in Romanian).
V. Soporan, C. Vamoş, C. Pavai, The qualitative analysis of the numerical modeling of solidification and the shrinkage formation, Metalurgia, 50 (1998) no. 1, 27-31 (in Romanian).
V. Soporan, C. Vamoş, C. Pavai, Technological and constructive optimization of the parts using numerical methods, Metalurgia, 50 (1998) no. 2, 43-51 (in Romanian).
V. Soporan, C. Vamoş C. Pavai, Numerical modeling of the cavities during the alloys solidification, Metalurgia, 3 (1998) no. 4, 53-55.
V. Soporan, C. Vamoş C. Pavai, Numerical simulation for technological interpretation of solidification process castings, Metalurgia, 3 (1998) no. 4, 56-60.
V. Soporan, C. Vamoş C. Pavai, Numerical modeling of the cavities during the alloys solidification, Proceedings of The Second International Conference on Materials and Manufacturing Technologies, Cluj-Napoca, (1998), 889-892.
V. Soporan, C. Vamoş, C. Pavai, Numerical simulation for technological interpretation of solidification process castings, Proceedings of The Second International Conference on Materials and Manufacturing Technologies, Cluj-Napoca, (1998), 893-898.
V. Soporan, C. Vamoş, C. Pavai, Numerical simulation of the contraction and the shrinkage formation during the solidification process, in Metals and alloys casting and solidification, tome I (1998) nr. 1, pp. 163-168, U.T. Press, Cluj-Napoca (in Romanian).
V. Soporan, C. Vamoş, C. Pavai, The determination of optimal position for casting using the solidification direction curves, Metals and alloys casting and solidification, tome I (1998) no. 1, pp. 167-172, U.T. Press, Cluj-Napoca, 1998 (in Romanian).
N. Suciu, A. Georgescu (1998), On the Misra-Prigogine-Courbage theory of irreversibility, Buletin ştiintific, Seria Mat. şi Inf. (Univ. Piteşti), 2, 169-188.
C.I. Gheorghiu, The solution to problem 97-8 by Ph. Korman, SIAM Rev., 39 (1997), SIAM Rev., 40 (1998) 382-385.
Ş.M. Şoltuz, Upon the convergence of subconvex sequences, Octogon Math. Mag .6 (1998):2, 120-121.
?S.M. Soltuz, Upon the Pseudodecreasing Sequences, Octogon Math. Mag., vol.7, No. 1 (1998).

Organized conferences

Zilele Academice Clujene 1998

Attended conferences

E. Catinas, I. Pavaloiu, "Some Numerical Aspects in Approximating the Eigenpairs by Newton Methods, The 6th Conference on Applied Mathematics and Mechanics, 24-27 September, 1998, Cluj-Napoca, Romania, Bull.Univ.Tehnice din Cluj-Napoca.
E. Catinas, Some Semilocal Convergence Theorems for Newton and Chebyshev-like Methods with Applications to Eigenproblems, Congresul International de Matematica ICM 1998, Berlin, 18-27 August.
C.I. Gheorghiu, Mathematical Aspects in Hydrodynamic Stability of Flows Driven by surface Gradients, euromech Colloquium 376, "Waves in Two-Phase Flows", Istambul, 27-30 April 1998.
C.I. Gheorghiu, Stability of Thin Liquid Layers Flowing Down a Plane, Conferinta "Applied Mathematics for Industrial Flow Problems", San Felin de Guixols, Spania 1-3 oct.1998.
N. Suciu, C. Vamos, A. Georgescu, U. Jakel si H. Vereecken, Applications of Coarse Grained and Stochastic Averages to Transport Processes in Porous Media, Conferinta STATPHYS 20, Paris, July 20-24, 1998.
C. Vamos, N. Suciu, A. Georgescu, U. Jakel si H. Vereecken, Numerical Modelling of Diffusion Processes by Cellular Automata, Conferinta STATPHYS 20, Paris, July 20-24, 1998.
I.Pavaloiu, Optimal efficiency index for a class of iterative methods of Hermite type, Zilele Academice Clujene 25 mai – 10 iulie 1998, Cluj-Napoca.
E. Catinas, I. Pavaloiu, Iterative methods of interpolating type for polynomial operator equations of second degree, Zilele Academice Clujene 25 mai – 10 iulie 1998, Cluj-Napoca.
A. Muresan, C. Mustata, The numerical solution of a singularly perturbed bilocal problem using the Haar system, Zilele Academice Clujene 25 mai – 10 iulie 1998, Cluj-Napoca.
A. Revnic, On the absolute stability of the continuous numerical methods for ordinary differential equations, Zilele Academice Clujene 25 mai – 10 iulie 1998, Cluj-Napoca.
C. Vamos, Quantum cellular automata, Zilele Academice Clujene 25 mai – 10 iulie 1998, Cluj-Napoca.
C.I. Gheorghiu & D. Trif, Positive patterns for some reaction diffusion problems, Zilele Academice Clujene 25 mai – 10 iulie 1998, Cluj-Napoca.
N. Suciu, A. Georgescu, A. class of Markov processes isomorphic with Bernoulli dynamical systems as a model for the thermodynamical irreversibility, Zilele Academice Clujene 25 mai -10 iulie 1998, Cluj-Napoca.
M.C. Anisiu, Periodic symmetric orbits, Zilele Academice Clujene 25 mai – 10 iulie 1998, Cluj-Napoca.
M.C. Ansiu, Periodic solutions of ordinary differential equations, International Workshop" Analysis and Control of Differential Systems/ 10-15 august 1998, Constanta.
E. Catinas, I. Pavaloiu, Some Numerical Aspects in Approximating the Eigenpairs by Newton Methods, The 6th Conference on Applied Mathematics, 24-27 sept. 1998, Cluj-Napoca, Romania.
N. Suciu, C. Vamos, A. Georgescu, U. Jakel si H. Vereecken, Applications of Coarse Grained and Stochastic Averages to Transport Processes in Porous Media, CAIM '98, The 6th Conf. on Appl. and Ind. Math., Pitesti, Oct. 16-18 1998.
V. Soporan, C. Vamos, C. Pavai, Simularea numerica a procesului de contractii si de forrnare a retasurilor in timpul procesului de solidificare, Conferinta Nationala de Turnare si Solidificarea metalelor si aliajelor, Cluj-Napoca, 27-28 Mai 1998.
V. Soporan, C. Vamos, C. Pavai, Utilizarea curbelor directiilor de solidificare pentru determinarea pozitiei optime de turnare a pieselor, Conferinta Nationala de Turnare si Solidificarea metalelor si aliajelor, Cluj-Napoca, 27-28 Mai 1998.
N. Suciu si A. Georgescu, Mathematical Models of Irreversibility, CAIM '98, The 6th conf. on Appl. and Ind. Math., Pitesti, oct. 16-18 1998.

Grants/contracts

MC Anisiu, Complexitatea Cuvintelor si sisteme, GRANT MCT, valoare: 34.000 mii lei
E Catinas, Studiul calitativ al influientei perturbatiilor asupra stabilitatii metodelor Newton inexacte, GRANT ACADEMIA ROMANA, valoare: 9.000 mii lei.
C Mustata, Aproximarea solutiilor problernelor la Iimita pentru ecuatii diferentiale si cu derivate partials prin functii spline si ondelete, GRANT MCT, valoare: 13.000 mii lei.
C.I. Gheorghiu, Metode numerice pentru studiul calitativ al unor sisteme dinamice neliniare, GRANT MCT, valoare: 13.000 mii lei.

Other (editorial duties, etc.)

soon

Peer review

(soon)

1997

1998

1999