Annual report 2017

(updated on March 15, 2022, with CNCSIS prizes)

Human resources

The Numerical Analysis and Approximation Theory workgroup:

The Numerical Modeling workgroup:

Books

Papers published in JCR/ISI indexed journals

  1. C. Vamoş, Multiscale structure of time series revealed by the monotony spectrum, Physical Review E, 2017, 95, no. 3, 033310, DOI 10.1103/PhysRevE.95. 033310, (IF 2016 2.366)
  2. J.P. Boyd, C.I. Gheorghiu, All roots spectral methods: Constraints, floating point arithmetic and root exclusion, Applied Mathematics Letters 67 (2017) 28–3 DOI: 10.1016/j.aml.2016.11.015 (IF 2016: 2.233)
  3. A. Pop, M. Crăciun, G.R. Mocanu, C. Vamoș, Evidence for quasiperiodicity in orbital period modulation of WW Cygni, Astrophysics and Space Science 362: 76. (2017), DOI:10.1007/s10509-017-3057-4, (IF 2016 1.678)
  4. G. Moroșanu, M. Nechita, Invariant sets and attractors for Hanusse-type chemical systems with diffusions, Computers and Mathematics with Applications 73 (2017) no. 8, 1815–1823, DOI: 10.1016/j.camwa.2017.02.024 (IF 2016 1.531)
  5. Patrulescu, M. Sofonea, Analysis of a rate-and-state friction problem with viscoelastic materials, Electronic Journal of Differential Equations, vol. 2017, no. 299 (2017), pp. 1-17 (IF 2017/2018: 0.944 )
  6. V.A. Ilea, D. Otrocol, An application of the Picard operator technique to functional integral equations, Journal of Nonlinear and Convex Analysis, 18 (2017), No.3, 405-413 (IF 2016: 0.691)
  7. C.-D. Alecsa, Fixed point theorems for generalized contraction mappings on b-rectangular metric spaces, Stud. Univ. Babes-Bolyai Math. 62 (2017) no. 4, 495–520 DOI: 10.24193/subbmath.2017.4.08
  8. C.D. Alecsa, On new faster fixed point iterative schemes for contraction operators and comparison of their rate of convergence in convex metric spaces, International Journal of Nonlinear Analysis and Applications, vol. 8 (2017) no. 1, pp. 353-388.
  9. C.D. Alecsa, A. Petruşel, On some fixed point theorems for multi-valued operators by altering distance technique, Journal of Nonlinear and Variational Analysis, vol. 1 (2017) no. 2, pp. 237-251.

Honors/prizes

  • I. Boros (2017), Diploma de excelenţă, din partea Academiei Române Filiala Cluj-Napoca;

CNCSIS prizes for papers published in the “red zone” journals (based on journals impact factor or influence score):

  • C. Vamos, code PRECISI-2017-14225
  • C.I. Gheorghiu, code PRECISI-2017-20144
  • C.I. Gheorghiu, code PRECISI-2017- 20145/PRECISI-2016-13087

Papers published in other journals

  1. C.D. Alecsa, Stability results and qualitative properties for Mann’s algorithm via admissible perturbations technique, Applied Analysis and Optimization, vol. 1 (2017) no. 2, 327-344 ISSN 2432-1656
  2. I. Boros, Accurate Chebyshev collocation solutions for the biharmonic eigenproblem on a rectangle, J. Numer. Anal. Approx. Theory, 46 (2017) no. 1, pp. 38-46.
  3. C.I. Gheorghiu, Stable spectral collocation solutions to Cauchy problems for nonlinear dispersive wave equations, Proceedings CMSM4, (2017), pp. 277-280. ISBN 978-9975-71-915-5
  4. E. Cătinaș, I. Păvăloiu, Professor Costică Mustăța at his 75th anniversary, J. Numer. Anal. Approx. Theory, 46 (2017) no 1, pp. 3-5.
  5. E. Cătinaș, N. Suciu, In memoriam dr. Călin Vamoș, member of Tiberiu Popoviciu Institute of Numerical Analysis, J. Numer. Anal. Approx. Theory, 46 (2017) no 1, pp. 107-109.

Papers accepted, published in JCR journals, with DOI, pending for vol., issue, pp.

Conferences organized

Conferences attended by the members of the Institute

International conferences:

  1. N. Suciu, C. Vamoş, M. Crăciun, P. Knabner, Time series parameterization of evolution equations for probability density functions of uncertain concentrations transported in groundwater, SIAM Conference on Mathematical and Computational Issues in the Geosciences, September 11-14, 2017, Erlangen, Germany.
  2. M. Crăciun, C. Vamoş, N. Suciu, Numerical analysis and generation of groundwater concentration time series, (poster), SIAM Conference on Mathematical and Computational Issues in the Geosciences, September 11-14, 2017, Erlangen, Germany.
  3. C.I. Gheorghiu, Stable spectral collocation solutions to Cauchy problems for nonlinear dispersive wave equations, 4th Conference of the Mathematical Society of the Republic of Moldova, Chisinau, June 29, 2017 – July 1, 2017.
  4. C.I. Gheorghiu, organizer of the symposium Numerical analysis, an art or merely a science? Conferinţa de Matematică Aplicată şi Industrială, CAIM 2017, September 14-17, 2017, Univ. Al. I. Cuza, Iasi, www.romai.ro
  5. C.I. Gheorghiu, Accurate spectral solutions to a class of singular nonlinear boundary value problems on unbounded domain. Conferinţa de Matematică Aplicată şi Industrială, CAIM 2017, September 14-17, 2017, Univ. Al. I. Cuza, Iasi, www.romai.ro
  6. F. Pătrulescu, Penalization and regularization methods for history-dependent variational inequalities, Mathematics Analysis with Applications in Mechanics, Perpignan, September 06-08, 2017. http://mathlamps.univ-perp.fr/Maam/maam2017.html

National conferences: 

  1. C. Vamoş, N. Suciu, Global random walk solutions for flow in porous media, Zilele Academice, Simpozion “Analiză numerică, aproximare şi modelare”, 14 iunie 2017
  2. I. Păvăloiu, E. Cătinaș, On a class of iterative methods of Chebyshev-Hermite-Steffensen type, Zilele Academice, Simpozion “Analiză numerică, aproximare şi modelare”, 14 iunie 2017
  3. E. Cătinaș, A new perspective on the Aitken Δ2 acceleration process, Zilele Academice, Simpozion “Analiză numerică, aproximare şi modelare”, 14 iunie 2017
  4. C. Mustăţa, Extensions theorems for Lipschitz functions and some applications, Zilele Academice, Simpozion “Analiză numerică, aproximare şi modelare”, 14 iunie 2017
  5. M. Crăciun, C. Vamoş, N. Suciu, Modeling and numerical generation of hydrological  concentration time series, Zilele Academice, Simpozion “Analiză numerică, aproximare şi modelare”, 14 iunie 2017
  6. C. Vamoş, N. Suciu, Global random walk solutions for flow in porous media, Zilele Academice, Simpozion “Analiză numerică, aproximare şi modelare”, 14 iunie 2017.
  7. C.I. Gheorghiu, Spectral Collocation for Problems on Unbounded Domains, Romanian-German Seminar on Approximation Theory and its Applications, RoGer 2017, April 21-22, Universitatea Oradea
  8. C.I. Gheorghiu, High order collocation solutions to problems on unbounded domains, Zilele Academice, Simpozion “Analiză numerică, aproximare şi modelare”, 14 iunie 2017
  9. D. Otrocol, An iterative algorithm for solving some second order nonlinear differential equations, Cluj Academic Days, June 13-14, 2017, http://ictp.acad.ro/zilele-academice-clujene-2017/
  10. F. Pătrulescu, Numerical analysis of some 1D BVP using penalization and regularization methods, Zilele Academice, Simpozion “Analiză numerică, aproximare şi modelare”, 14 iunie 2017
  11. F. Pătrulescu, History-dependent contact problems: numerical approximation using penalization and regularization methods, Workshop Applied Mathematics: Methods and Modeling, Craiova, May 07-08, 2017. http://math.ucv.ro/wammm2017/index.html
  12. I. Boros, Accurate Chebyshev collocation solutions to a generalized Orr-Sommerfeld eigenvalue problem. Applications to laminar flows in porous media, Zilele Academice, Simpozion “Analiză numerică, aproximare şi modelare”, 14 iunie 2017
  13. C. Alecsa, Fixed point theorems for generalized contraction mappings on b-rectangular metric spaces, Zilele Academice, Simpozion “Analiză numerică, aproximare şi modelare”, 14 iunie 2017
  14. C. Alecsa, Asupra unor noi scheme iterative pentru operatori de tip contracție. Compararea ratelor de convergență în spații metrice convexe, Sesiunea Națională de Comunicări Științifice de Matematică, (ediția a IV-a, 6-9 iulie 2017), URL: http://www.math.uaic.ro/~sncssm/
  15. C. Alecsa, Teoreme de punct fix pentru contracții generalizate pe spații metrice b-rectangulare, Sesiunea de Comunicări Științifice ale Studenților – Matematică (6 iunie 2017), URL : http://www.cs.ubbcluj.ro/programul-sesiunii-de-comunicari-stiintifice-ale-studentilor-pe-domeniul-matematica/