Institute annual report 2024 (work in progress)

version: December 6, 2024.

updates 2025: January 24.

Human resources

Researchers

The Numerical Analysis and Approximation Theory workgroup:

Dr. Emil Cătinaş (workgroup coordinator)
Prof. Dr. Octavian Agratini
Dr. Mihai Nechita
Dr. Diana Otrocol
Imre Boros
Andra Malina
Eduard Grigoriciuc

The Numerical Modeling workgroup:

Prof. Dr. Radu Precup, corresponding member of the Romanian Academy
Dr. Călin-Ioan Gheorghiu (workgroup coordinator)
Dr. rer. nat. habil. Nicolae Suciu
Dr. Maria Crăciun
Andrei Stan
Iulia Buda (till February 29, 2024)
Andrei Gasparovici (since August 19, 2024)

Doctoral students/postdocs:

Doctoral students in 2024:

Iulia Buda, at UBB Cluj (hired till February 2024)
Eduard Grigoriciuc, at UBB Cluj
Andra Malina, Metode de aproximare a functiilor de mai multe variabile, at UBB Cluj
Andrei Stan, Nash type equilibria for systems of nonlinear equations, at UBB Cluj.
Andrei Gasparovici, (title to be completed), at UBB Cluj (hired since August 2024)

Postdoc students in 2024: –

PhD advisors

Prof. dr. Radu Precup, corresponding member of the Romanian Academy
PhD students (2024):

Andrei Stan, Nash type equilibria for systems of nonlinear equations, at UBB Cluj
Alexandru Hofman, Control problems for systems of Kolmogorov type, at UBB Cluj
Alexandru Orzan, Parametric methods for problems of fractional optimization, at UBB Cluj
David Brumar, The analysis of some mathematical models in fluid dynamics, at UBB Cluj.

Coordination of doc and postdoc students: Nataliia Kolun (Ukraine).
Mentor in some research projects: Lorand Parajdi, Mihai Nechita, Maria Neuss-Radu.

Prof. Univ. dr. Octavian Agratini
(no PhD students in 2024)

Dr. rer. nat. habil. Nicolae Suciu
(no PhD students in 2024)

Papers published in 2024

Papers in JCR journals from abroad

Papers in JCR journals from Romania

V. Ilea, D. Otrocol, Integral equation with maxima via fibre contraction principle, Journal Fixed Point Theory, 25 (2024) 2, pp. 601-610, http://doi.org/10.24193/fpt-ro.2024.2.10

Chapters in books in recognized publishing houses/proceedings

–

Papers published in Scopus journals

Papers in other proceedings

A. Gasparovici, A. Serban, Generative 3D Cardiac Shape Modelling for In-Silico Trials, Proceedings of the European Federation of Medical Informatics (EFMI) Special Topic Conference 2024, Series Studies in Health Technology and Informatics, vol. 321, published 2024, Editors: L. Stoicu-Tivadar, A. Benis, T.M. Deserno, S.D. Bolboacă, K. Saranto, M. Crişan-Vida, P. Gallos, O.S. Chirila, P.Weber, G. Mihalaş, O. Tamburis, ISBN 978-1-64368-554-0 (online), pp. 190 – 194, DOI: http://doi.org/10.3233/SHTI241090

Papers accepted and published online

Preprints in Arxiv/submitted/accepted

N. Suciu, F.A. Radu, J.S. Stokke, E. Cătinaș, A. Malina, Computational orders of convergence of iterative methods for Richards’ equation, arXiv:2402.00194v1, https://doi.org/10.48550/arXiv.2402.00194
N. Suciu, S. Nepal, Y. Wondmagegne, M. Ögren, A. Muntean, Global random walk for one-dimensional one-phase Stefan-type moving-boundary problems: Simulation results, arXiv:2410.12378, 2024.
R. Precup, A. Stan, On equilibrium in control problems with applications to evolution systems, arXiv:2409.09805, 2024.
R. Precup, A. Stan, A mutual control problem for semilinear system via fixed point approach, arXiv:2407.21131, 2024.
R. Precup, A. Stan, W. Du, Control of semilinear differential equations with moving singularities.
A. Pop, M. Crăciun , Two Complementary Approaches of the Periodicity Detection in Observational Data, Experimental Astronomy (under review)
O. Agratini, On Kantorovich-type operators in Lp spaces, WSEAS Transactions on Mathematics.
P. Dicu, M. Dicu, E.S. Grigoriciuc, Univalence criteria for certain integral operator, Bull. Transilv. Univ. Brasov, Ser. III, Math. Comput. Sci., accepted
A. Gasparovici, A. Serban, Generative 3D Cardiac Shape Modelling for In-Silico Trials, arXiv preprint arXiv:2409.16058, 2024
C-I. Gheorghiu, Spectral Collocation Solutions to some Nonlinear and Singular Problems from Physico-Chemical Hydrodynamics, Journal Mathematical Chemistry, submitted
C.-I. Gheorghiu, Accurate Chebfun Solutions to Third Order Nonlinear BVPs on the Half-Line. Applications in Boundary Layer Theory. Physica Scripta, IOPscience, submitted

Prizes, outstanding achievements

Prof. Dr. R. Precup has H-index ISI 16: https://www.webofscience.com/wos/author/rid/B-8158-2011 (h-index Google Scholar 23)
Dr. rer. nat. habil. N. Suciu has H-index ISI 13: https://www.webofscience.com/wos/author/rid/N-7971-2017 (h-index Google Scholar 14)
Prof. Dr. O. Agratini has H-index ISI 10: https://www.webofscience.com/wos/author/rid/B-6607-2012 (h-index Google Scholar 20)

Since 2022, O. Agratini is professor emeritus at the Faculty of Mathematics and Computer Science (Babeş-Bolyai University).

Editorial activity

Editors-in-Chief/deputy/senior editors of JCR/ISI or Scopus journals

R. Precup, Editor-in-Chief of Studia UBB Math. (ISI/ESCI)
R. Precup, Deputy Editor-in-Chief of Fixed Point Theory (Cluj) (ISI)
O. Agratini, Editor-in-Chief of J. Numer. Anal. Approx. Theory (Scopus)
E. Cătinaş, Editor-in-Chief of J. Numer. Anal. Approx. Theory (Scopus)
O. Agratini, senior Editor of Studia UBB Math. (ISI/ESCI)

Members of editorial boards of JCR/ISI journals

– JCR/ISI journals abroad

R. Precup, section Editor of Fixed Point Theory and Algorithms for Sciences and Engineering (Springer);
R. Precup, editor of Journal of Inequalities and Special Functions.

– JCR/ISI journals from Romania

R. Precup, member of the Editorial Board of Proceedings of the Romanian Academy- Series A
R. Precup, member of the Editorial Board of Carpathian Journal of Mathematics
R. Precup, Deputy Editor-in-Chief of Fixed Point Theory (Cluj)
R. Precup, Editor-in-Chief of Studia UBB Math.
O. Agratini, senior Editor of Studia UBB Math.
O. Agratini, member of the Editorial Board of J. Science and Arts.
M. Nechita, secretary of Studia UBB Math.

Members of editorial boards of journals of the Romanian Academy

O. Agratini, Editor-in-Chief of J. Numer. Anal. Approx. Theory
E. Cătinaş, Editor-in-Chief of J. Numer. Anal. Approx. Theory
M. Nechita, secretary of J. Numer. Anal. Approx. Theory
A. Malina, secretary of J. Numer. Anal. Approx. Theory
A. Stan, secretary of J. Numer. Anal. Approx. Theory
R. Precup, member of the Editorial Board of Mathematica (Cluj)
O. Agratini, member of the Editorial Board of Mathematica (Cluj)

Members of editorial boards of other journals from abroad

R. Precup, member of the Editorial Board of Discussiones Mathematicae Differential Inclusions, Control and Optimization (Poland);
O. Agratini, member of the Editorial Board of Open Journal of Discrete Mathematics;
R. Precup, member of the Editorial Board of Mathematics in Engineering, Science and Aerospace (USA).

Members of editorial boards of other journals from Romania

R. Precup, member of the Editorial Board of Transylvanian Journal of Mathematics and Mechanics;
N. Suciu, member of the Editorial Board of ROMAI Journal
C.I. Gheorghiu, member of the Editorial Board of ROMAI Journal

Conferences

Conferences organized by the Institute

The international conference Numerical Analysis, Numerical Modeling, Approximation Theory (NA-NM-AT 2024), November 4-7, 2024 (organized by ICTP)

Institute members in the scientific committees of international or national conferences

R. Precup for 6th Romanian Itinerant Seminar on Mathematical Analysis and Its Applications, Cluj-Napoca, May 30-31, 2024.

Institute members in the organizing committees of international or national conferences

R. Precup, co-organizer (together with P. Rubbioni and S. Matucci from Italy), of the mini-symposium Qualitative Theory and Applications of Boundary Value Problems for Nonlinear ODEs and PDEs“ at the 9th European Congress of Mathematics (9ECM), July 14-20, 2024, Sevilla, Spain.
E. Cătinaș, Numerical Analysis, Numerical Modeling, Approximation Theory (NA-NM-AT 2024), November 4-7, 2024.
M. Nechita, Numerical Analysis, Numerical Modeling, Approximation Theory (NA-NM-AT 2024), November 4-7, 2024.

Invited speakers:

O. Agratini, 3^rd European Computing Conference (ECC), Crete Island, May 7 – 9, 2024, Greece. (invited lecture)
O. Agratini, 8^th International Conference Mathematical Models & Computational Techniques in Science & Engineering (MMCTSE), Athens, June 1 – 3, 2024, Greece. (invited lecture)
N. Suciu, On the convergence of explicit iterative schemes for coupled flow and transport in porous media, Mathematical Multiscale Models and Methods for Materials Science (M5S), April 16 – 18, 2024, Karlstad, Sweden.
R. Precup, Solutions of systems with components having different variational properties, 9th European Congress of Mathematics (9ECM), July 14-20, 2024, Sevilla, Spain.
R. Precup, Localization of energies in Navier-Stokes models with reaction terms, Le 16ème Colloque Franco-Roumain, Bucarest, du 26 au 30 août 2024.
A. Gasparovici, Mixed Dirichlet-Robin problem for coupled anisotropic Navier-Stokes-type systems, Workshop Happy PDE, Institutul de Matematică „Simion Stoilow” al Academiei Române, December, 13th 2024, Bucharest.

Talks given/conferences attended by the members of the Institute

International conferences

O. Agratini, Linear approximation processes connected with squared fundamental functions, Numerical Analysis, Numerical Modeling, Approximation Theory (NA-NM-AT 2024), November 4-7, 2024, Cluj-Napoca, Romania.
I. Boros, Numerical methods for advection-dominated transport: a comparative study, Numerical Analysis, Numerical Modeling, Approximation Theory (NA-NM-AT 2024), November 4-7, 2024, Cluj-Napoca, Romania.
M. Crăciun, T. Harko, A. Pop, Analysis and modelling of some observational data, Numerical Analysis, Numerical Modeling, Approximation Theory (NA-NM-AT 2024), November 4-7, 2024, Cluj-Napoca, Romania.
C-I. Gheorghiu, Spectral Collocation Solutions to some Nonlinear BVPs on Infinite Domains. Applications to Physico-Chemical Hydrodynamics, September 11-17, 2024, Crete, Greece.
C.-I. Gheorghiu, CHEBFUN approximation to ground state solutions to some semilinear Laplace equations, Numerical Analysis, Numerical Modeling, Approximation Theory (NA-NM-AT 2024), November 4-7, 2024, Cluj-Napoca, Romania.
N. Suciu, On the convergence of explicit iterative schemes for coupled flow and transport in porous media, Mathematical Multiscale Models and Methods for Materials Science (M5S), April 16 – 18, 2024, Karlstad, Sweden.
N. Suciu, From systems of particles to continuous fields – a space-time upscaling, 3rd Emerging Trends in Applied Mathematics and Mechanics. ETAMM 2024, May, 20–24, 2024, A Coruña, Spain.
N. Suciu, Global random walk for Stefan-like moving-boundary problems, Numerical Analysis, Numerical Modeling, Approximation Theory (NA-NM-AT 2024), November 4-7, 2024, Cluj-Napoca, Romania.
N. Suciu, F.A. Radu, E. Cătinaş, Iterative schemes for coupled flow and transport in porous media – Convergence and truncation errors, Le 16ème Colloque Franco-Roumain, Bucarest, du 26 au 30 août 2024.
R. Precup, A mutual control problem for semilinear systems via fixed point approach, Numerical Analysis, Numerical Modeling, Approximation Theory (NA-NM-AT 2024), November 4-7, 2024, Cluj-Napoca, Romania.
R. Precup, 4th Edition of The Workshop dedicated to the memory of Professor Gabriela Kohr – “Geometric Function Theory in Several Complex Variables and Complex Banach Spaces”, November 29th – December 1st, 2024.
M. Nechita, Stabilized state estimators for time-dependent PDEs, Numerical Analysis, Numerical Modeling, Approximation Theory (NA-NM-AT 2024), November 4-7, 2024, Cluj-Napoca, Romania.
M. Nechita, Optimal approximation of unique continuation, Le 16ème Colloque Franco-Roumain, Bucarest, du 26 au 30 août 2024.
M. Nechita, Optimal finite element approximation of unique continuation, 9th European Congress of Mathematics (9ECM), July 14-20, 2024, Sevilla, Spain.
A. Malina, Spherical interpolation of scattered data by means of combined Shepard operators, Numerical Analysis, Numerical Modeling, Approximation Theory (NA-NM-AT 2024), November 4-7, 2024, Cluj-Napoca, Romania.
A. Malina, An application of the Shepard operator in image reconstruction, 26th International Symposium on Symbolic and Numeric Algorithms for Scientific Computing (SYNASC), September 16-19 2024, Timișoara, Romania.
A. Malina, Spherical interpolation of scattered data using least squares thin-plate spline and inverse multiquadric functions, Le 16ème Colloque Franco-Roumain, Bucarest, du 26 au 30 août 2024.
E. Grigoriciuc, The Graham-Kohr extension operator in complex Banach spaces 4th Edition of The Workshop dedicated to the memory of Professor Gabriela Kohr – “Geometric Function Theory in Several Complex Variables and Complex Banach Spaces”, November 29th – December 1st, 2024.
E. Grigoriciuc, A Stancu type extension of the Cheney-Sharma-Chlodovsky operators, Numerical Analysis, Numerical Modeling, Approximation Theory (NA-NM-AT 2024), November 4-7, 2024, Cluj-Napoca, Romania.
A. Stan, A mutual control problem for semilinear systems via fixed point approach, Numerical Analysis, Numerical Modeling, Approximation Theory (NA-NM-AT 2024), November 4-7, 2024, Cluj-Napoca, Romania.
A. Gasparovici, Generative 3D Cardiac Shape Modelling for in-silico Trials, EFMI Special Topic Conference 2024, November 27-29, 2024, Timișoara, Romania.
A. Gasparovici, Mixed Dirichlet–Robin problem for coupled anisotropic Darcy-Forchheimer-Brinkman systems, Numerical Analysis, Numerical Modeling, Approximation Theory (NA-NM-AT 2024), November 4-7, 2024, Cluj-Napoca, Romania.
A. Gasparovici, Mixed Dirichlet–Robin problem for coupled anisotropic Darcy–Forchheimer–Brinkman systems, International Conference on Applied Mathematics and Numerical Methods (ICAMNM), October, 25-26, 2024, Craiova.

National conferences

M. Craciun, Astronomical Observatory;
E. Catinas, Astronomical Observatory;
R. Precup, 6th Romanian Itinerant Seminar on Mathematical Analysis and its Applications (RISMAA 2024), Babeș-Bolyai University Cluj-Napoca, Romania, May 30-31, 2024.
M. Nechita, Elliptic unique continuation and optimal approximation, 6th Romanian Itinerant Seminar on Mathematical Analysis and its Applications (RISMAA 2024), Babeș-Bolyai University Cluj-Napoca, Romania, May 30-31, 2024.
E. Grigoriciuc, 6th Romanian Itinerant Seminar on Mathematical Analysis and its Applications (RISMAA 2024), Babeș-Bolyai University Cluj-Napoca, Romania, May 30-31, 2024.

Presentations at seminars

A. Stan, Role of partial functionals in the study of variational systems, October 24th, 2024, Seminar on Nonlinear Operators and Differential Equations, UBB Cluj-Napoca.
R. Precup, Control theory and fixed point theory, Seminar on Nonlinear Operators and Differential Equations, April 4th, 2024, UBB Cluj-Napoca.
R. Precup, On equilibrium in control problems with applications to evolution systems, Seminar on Nonlinear Operators and Differential Equations, November 21st, 2024, UBB Cluj-Napoca.
M. Nechita, Elliptic PDEs and finite elements. An introduction about well-posed and ill-posed problems, Seminar on Nonlinear Operators and Differential Equations, April 11th and 18th, 2024, UBB Cluj-Napoca.
A. Malina, Spherical interpolation of scattered data using least squares thin-plate spline and inverse multiquadric functions, Sesiunea de Comunicări Ştiinţifice ale Studenţilor – Matematică, Facultatea de Matematică și Informatică, May 25th, 2024, UBB Cluj-Napoca.
E. Grigoriciuc, The Graham-Kohr extension operator in complex Banach spaces, Sesiunea de Comunicări Ştiinţifice ale Studenţilor – Matematică, Facultatea de Matematică și Informatică, May 25th, 2024, UBB Cluj-Napoca.
E. Grigoriciuc, Seminar of the Research Group in Complex Analysis “Prof. dr. Gabriela Kohr”, March 7th and June 6th, 2024, UBB Cluj-Napoca.

Scientific collaborations

ICTP has signed in July 2023 a collaboration protocol with Data and Predictive Analytics Center (DPAC – Rochester University, USA), based on some existing collaborations. The agreement aims in solving some problems in the analysis, processing and modelling of some time series from astronomy.

International scientific collaborations

N. Suciu, collaboration with F.A. Radu, from Univ. of Bergen, Norway
N. Suciu, collaboration with A. Muntean, from Karlstad University, Sweden
N. Suciu, collaboration with I.S. Pop, from Univ. of Hasselt, Belgium
E. Cătinaş, collaboration with F.A. Radu, from Univ. of Bergen, Norway
R. Precup, collaboration with Jorge Rodriguez-Lopez, from Univ. of Santiago de Compostela, Spain
R. Precup, collaboration with Sylvain Koumla, from Univ. Abéché, Chad;
R. Precup, collaboration with Christian Guenther, from Univ. Hannover, Germany;
R. Precup, collaboration with Maria Neuss-Radu, ffrom FAU Erlangen-Nürnberg, Germany;
R. Precup, collaboration with Renata Bunoiu, from Univ. Lorraine, France;
M. Nechita, collaboration with Erik Burman, from University College London;
M. Nechita, collaboration with Lauri Oksanen, from University of Helsinki;
M. Nechita, collaboration with Miguel A. Fernández, from INRIA Paris;
M. Nechita, collaboration with Muriel Boulakia, from Université de Versailles;
M. Nechita, collaboration with Maria Neuss-Radu, from FAU Erlangen-Nürnberg, Germany;
O. Agratini, collaboration with Ulrich Abel, from Technische Hochschule Mittelhessen, Friedberg, Germany;
O. Agratini, collaboration with Harun Karsli, from Abant Izzet Baysal University, Bolu, Turkey;
O. Agratini, collaboration with Francesco Altomare, from University of Bari Aldo Moro, Italy;
O. Agratini, collaboration with Ralf Rigger, from Friedberg, Germany;
O. Agratini, collaboration with Tanmoy Som, from Indian Institute of Technology (BHU) Varanasi;
O. Agratini, collaboration with Quy Muoi Oham;
M. Craciun, collaboration with Mihai Barbosu, Rochester Institute of Technology, New York, USA;
A. Stan, collaboration with Du Wei-Shih, National Kaohsiung Normal University, Taiwan;
A. Stan, collaboration with Calin Iulian Martin, University of Vienna.

National scientific collaborations

O. Agratini, collaboration with Mircea Ivan, Technical University Cluj-Napoca;
O. Agratini, collaboration with Radu Păltănea, Transilvania University of Brașov;
M. Craciun, collaboration with Tiberiu Harko, from Babes-Bolyai University, Cluj-Napoca;
M. Craciun, collaboration with Alexandru Pop, Astronomical Institute, Astronomical Observatory Cluj-Napoca, Romanian Academy;
A. Malina, collaboration with Teodora Catinas, from Babes-Bolyai University, Cluj-Napoca;
E. Grigoriciuc, collaboration with Mirela Kohr, from Babes-Bolyai University, Cluj-Napoca;
R. Precup, collaboration with Petru Jebelean, from West University, Timisoara;
R. Precup, collaboration with Mirela Kohr, from Babes-Bolyai University, Cluj-Napoca
R. Precup, collaboration with Nataliia Kolun, from Babes-Bolyai University, Cluj-Napoca;
R. Precup, collaboration with Lorand Parajdi, from Babes-Bolyai University, Cluj-Napoca;
R. Precup, collaboration with Veronica Ilea, from Babes-Bolyai University, Cluj-Napoca;
R. Precup, collaboration with Adela Novac, from Technical University Cluj-Napoca;
R. Precup, collaboration with Stefan Haplea, from Iuliu Hațieganu University of Medicine and Pharmacy Cluj-Napoca;
A. Stan, collaboration with Cristina Gheorghe from Babes-Bolyai University, Cluj-Napoca.

Membership in professional organizations

N. Suciu member: GAMM (Gesellschaft für angewandte Mathematik und Mechanik) (2019 şi 2020), EGU (European Geosciences Union) (2019-2021), InterPore (International Society for Porous Media) (2021-2023).
R. Precup, O. Agratini, D. Otrocol: SSMR (Societatea de Științe Matematice din România) members.
E. Cătinaş, SIAM (Society for Industrial and Applied Mathematics) member (since 2007), SSMR (Societatea de Științe Matematice din România).
E. Grigoriciuc: SSMR (Romanian Mathematical Society) member (since 2020), AMS (American Mathematical Society) member (since 2021), LMS (London Mathematical Society) member (since 2021), EMS (European Mathematical Society) member (since 2021), CMS (Canadian Mathematical Society) member (2021-2022), SIAM (Society for Industrial and Applied Mathematics) member (since 2024).
C.I. Gheorghiu, ROMAI (Societatea Română de Matematică Aplicată și Industrială), GAMM (Gesellschaft für angewandte Mathematik und Mechanik), ECMI (European Consortium for Mathematics in Industry) member.
O. Agratini: AMS (American Mathematical Society) member.
M. Crăciun, SIAM (Society for Industrial and Applied Mathematics) member.
M. Nechita, SIAM (Society for Industrial and Applied Mathematics) member.
A. Malina, SIAM (Society for Industrial and Applied Mathematics), AMS (American Mathematical Society) member.

Grants/contracts/scholarships

Subventionarea literaturii tehnico-stiintifice 2024 (54000 lei), director: E. Cătinaş

Peer review

Members of national committees

Members of PhD/habilitation evaluation committees

R. Precup for Florin Albisoru, UBB Cluj-Napoca, September 13th, 2024 (PhD thesis: Contributions to the theory of elliptic boundary value problems and their applications in fluid mechanics);
R. Precup for Assoc. Prof. PhD. Daniela-Ioana Inoan, UTCN Cluj-Napoca, July 12th, 2024 (Habilitation Thesis: Results in Variational Analysis and Approximation Theory);
O. Agratini for Alexandra Diana Meleșteu, Transilvania University, Brașov, September 17th, 2024 (PhD Thesis: Metode de aproximare folosind operatori liniari și pozitivi);
O. Agratini for Sergiu-Vlad Pașca, Lucian Blaga University, Sibiu, September 18th, 2024 (PhD Thesis: Positive linear operators, inequalities, classes of convex functions);
O. Agratini for Ancuța – Emilia Șteopoaie, UTCN Cluj-Napoca, September 26th, 2024 (PhD Thesis: Approximation by positive linear operators, asymptotic formulas and shape preserving properties);
O. Agratini for Andra – Mihaela Cîmpan (married Seserman), UTCN Cluj-Napoca, September 26th, 2024 (PhD Thesis: Positive linear operators, convergence, degree of approximation);
O. Agratini for Abhishek Senapati, Indian Institute of Technology – Banaras Hindu University IIT (BHU), Varanasi, India, September 27th, 2024 (PhD Thesis: Approximation of functions by positive linear operators and their applications in integral equations);
O. Agratini for Cristina-Mihaela Călineață, University Politehnica of Bucharest, December 19th, 2024 (PhD Thesis: Fixed point results for some classes of mappings in geodesic spaces).

Members of PhD supervising committees

R. Precup for: Cristina Gheorghe (supervisor: A. Petrusel);
R. Precup for: Florin Albisoru (supervisor: M. Kohr);
R. Precup for: I. Papuc (supervisor: M. Kohr);
R. Precup for: M. Aron (supervisor: M. Kohr);
R. Precup for: A. Gasparovici (supervisor: M. Kohr);
R. Precup for: Andra Malina, Metode de aproximare a functiilor de mai multe variabile (supervisor: T. Catinas);
R. Precup for: Iulia Buda (supervisor: T. Cătinaș);
O. Agratini for: Alin Fodor (supervisor C. Pintea);
O. Agratini for: Andra Malina, Metode de aproximare a functiilor de mai multe variabile (supervisor: T. Cătinaș);
O. Agratini for: Iulia Buda (supervisor: T. Cătinaș);
O. Agratini, for Șuțu Mădălina (supervisor T. Cătinaș).

Referee reports for peer reviewed journals:

O. Agratini: in ISI Journals: Dolomites Research Note on Approximation (1 report); Hacettepe Journal of Mathematics and Statistics (1 report); Mathematical Methods in the Applied Sciences (3 reports); Studia Universitatis Babeș-Bolyai, Mathematica (5 reports); in Scopus journals: WSEAS Transactions on Mathematics (1 report); WEAS Transactions on Information Sciences and Applications (1 report); Journal of Numerical Analysis and Approximation Theory (9 reports). in other journals: Communication in Optimization Theory (BDI) (1 report);
R. Precup: Qualitative Theory of Dynamical Systems (5 reviews), Mathematical Methods in the Applied Sciences (1 review), Armenian Journal of Mathematics (1 review), Fixed Point Theory (2 reviews), Carpathian J. Math. (1 review), Mathematica (5 reviews), Studia Univ. Babes-Bolyai Math. (5 reviews);
M. Craciun: in Scopus journals: J. Numer. Anal. Approx. Theory (2 reports);
E. Cătinaș: in ISI journals: Numer. Algor. (1 report); in Scopus journals: J. Numer. Anal. Approx. Theory (11 reports);
I. Boros: J. Numer. Anal. Approx. Theory (2 reports);
C.I. Gheorghiu: ISI journals: Journal of Mathematical Chemistry (1 report), Numerical Algorithms (1 report);
M. Nechita: SIAM J. Numer. Anal. (1), Comput. Math. Appl. (1), J. Numer. Anal. Approx. Theory (7);
N. Suciu: J. Numer. Anal. Approx. Theory (2), Advances in Water Resources (1), Chemical Engineering Science (1);
D. Otrocol: Electronic Journal of Differential Equations, Topological Methods in Nonlinear Analysis, Open mathematics, Fixed Point Theory, Symmetry;
A. Stan: J. Numer. Anal. Approx. Theory (1), Topological Methods in Nonlinear Analysis (1).

Expert evaluators:

Book reviews:

C. Gheorghiu: 1 book review.
O. Agratini: 1 book review.
M. Nechita:
A. Malina: 1 book review.
E. Grigoriciuc: 1 book review.

Reviews (written in 2024)

for Mathematical Reviews:

O. Agratini: 3;
R. Precup: 1, MR4686053;
C. Mustăța (honorary member): .

For ZBL Math:

R. Precup: .
C.I. Gheorghiu: 25.

2023

2024