Former member of ICTP.

He was formed here as numerical analyst – he has prepared and defended the PhD thesis while working at the Institute, and has published several papers in the field.

After leaving ICTP he has published a (cited) paper in SIAM J. Sci. Comput.

Fields of interest:

- Approximation Theory
- Nonlinear Iterative Methods (Newton, conjugate gradients)
- Numerical Analysis/Numerical Linear Algebra:

– iterative methods for solving linear systems;

– multilevel methods (multigrid, algebraic multigrid); - Numerical Methods for Solving Differential and Partial Differential Equations:

– finite differences, finite element, wavelets, meshless; - Parallel Algorithms (MPI)
- Methods for Accelerating the Convergence of Sequences

version: March 12, 2018.

**Personal Data**

Date and place of birth | July, 23, 1967, Dej, Romania |

Civil status | Married |

**Education and degrees**

2001 | Ph.D. in Mathematics ‘Babes-Bolyai’ University, Cluj-Napoca, Romania Doctoral dissertation ‘ Numerical methods for approximating solutions of some Boundary Problemsconcerning to differential and partial differential equations‘, PhD advisor: prof. dr. Gheorghe Micula |

1991 | Master of Science Faculty of Mathematics, ‘Babes-Bolyai’ University, Cluj-Napoca |

1985 | graduated the Theoretical High School ‘Andrei Muresanu’, Dej |

**Employment history**

2003-? | research scientist CENAERO-Research Center in Aeronautics(Belgium) |

1992-2008 | researcher, ‘T. Popoviciu’ Institute of Numerical Analysis, Romanian Academy |

1991-1992 | assistant researcher, ‘T. Popoviciu’ Institute of Numerical Analysis, Romanian Academy |

**Further experiences and training**

2001-2003 | Post-doc., Universite Libre de Bruxelles, Service de Milieux Continus project SIVA-Simulation de problemes vibro-acoustiques par methodes numeriques sans maillage |

1 March – 30 April 2000 | Heidelberg University, IWR(Technical simulation Group) in the program ‘Applied Mathematics for Industrial Flow Problems (AMIF)’, grant supported by European Science Foundation |

29 June – 7 July 2001 | INRIA Rocquencourt (France), Action De Recherche Cooperative ‘Instabilites de Surface de Materiaux Contraints’ |

10 June – 7 July 2001 | Universite de Poitiers (France), Laboratoire d’Applications des Mathematiques, in the program ‘Applied Mathematics for Industrial Flow Problems (AMIF)’, grant supported by European Science Foundation |

25 Sept. – 9 Oct. 2000 | Universite de Poitiers (France), Laboratoire d’Applications des Mathematiques, invited by Prof. A. Miranville |

31 May-12 June 1999 | European Summer School: Multiscale Approaches for Partial Differential Equations, Marseilles, France |

6-21 Sept. 1999 | EMS/WiR Summer School Numerical Simulation of Flows Heidelberg, Germany |

**Selected Meetings and Symposia**

- 25-30 Oct. 1993, The Academic Days of Cluj-Napoca, with communication ‘Some Consideration Concerning Algebraic Multigrid Methods’
- 27-30 Sept. 1994, Conference of Nonlinear Operators and Differential Equations, Cluj-Napoca, with communication ‘On Multilevel Iterative Methods for Nonlinear Integral Equations’ (in collaboration with I. Lazar)
- 17-29 Oct. 1994, The Academic days of Cluj-Napoca, with communication ‘Methods for accelerating the Convergence of a class of Sequences’ (in collaboration with I. lazar), and, ‘On Newton-projective Methods for Solving Nonlinear Integral Equations’ (in collaboration with I. Lazar)
- 3-7 July 1995, The Third International Congress on Industrial and Applied Mathematics, Hamburg, Germany with communication ‘Incremental Unknowns for solving Anisotropic Elliptic Equations’
- 23-27 Oct. 1995, The Academic days of Cluj-Napoca, with communication Method for Solving Linear Systems Obtained by Incremental Unknowns Method’
- 21-26 May 1997, Seminaire itinerant ‘Tiberiu Popoviciu’ d’equations fonctionelles, approximation et convexite, Cluj-Napoca, ‘Approximation by Spline Functions of the Solution of a Singularly Perturbed Bilocal Problem’ (in collaboration with C. Mustata)

**Membership in professional societies**

- GAMM (Gesellshaft fur Angewandte Mathematik und Mechanik)

**Recent publications **

(soon)

**Older publications – while working at ICTP**

- A.C. Mureṣan, Y. Notay,
*Analysis of aggregation-based multigrid,*SIAM Journal on Scientific Computing,**30**(2008) no. 2, 1082-1103. - C.I. Gheorghiu, A.C. Mureşan,
*On the long-time energy conservation by high order geometric integrators,*Érdi, Bálint (ed.) et al., International conference on actual problems in celestial mechanics and dynamical astronomy, Cluj-Napoca, Romania, May 25–27, 2006. Cluj-Napoca: Presa Universitară Clujeană / Cluj University Press (ISBN 978-973-610-555-5/pbk). Publications of the Astronomy Department of the Eötvös University 19, 213-219 (2007). - A.C. Mureṣan,
*Quadratic eigenvalue problems in acoustics*, SIVA report nr. 5, Service des Milieux Continus (ULB), Dec. 2002. - A.C. Mureṣan,
*Block-structured meshless indefinite linear systems*, SIVA report nr. 4, Service des Milieux Continus (ULB), July 2002. - A.C. Mureṣan,
*Numerical study of some iterative methods in the EFG context*, SIVA report nr. 3, Service des Milieux Continus (ULB), Dec. 2001. - C.I. Gheorghiu and A.C. Mureṣan,
*On the significance of integral properties of orbits in some superlinear fixed-period problems*, Semin. Fixed Point Theory Cluj-Napoca 3, 223-230 (2002).. - A.C. Mureṣan and A. Curṣeu,
*High-order compact schemes and incremental unknowns for 1D convection diffusion problems*, in Proceeding of the ‘Journees Jeunes Numericiens-Colloque en l’honeur de R. Temam’, editor: editions Scientifiques Poitou-Charentes 2001, 77-89. - A. Miranville and A.C. Mureṣan,
*Block incremental unknowns for anisotropic elliptic equations*, Applied Numerical Mathematics,**42**(2002) 4, 529-543. - A. Miranville and A.C. Mureṣan,
*The uncentered type incremental unknowns for a singularly perturbed bilocal problem*, Rev. Anal. Numer. Theor. Approx.,**29**(2000) 2, 161-171. - A.C. Mureṣan and C. Mustăṭa,
*A Galerkin method for a singularly perturbed bilocal problem*, Bul. Stiinṭ. Univ. Baia Mare, Ser. B, Mathematică-Informatică,**15**(1999) 1-2, 89-102. - A.C. Mureṣan, C. Mustăṭa and R. Mustăṭa,
*Approximation by spline functions of the solution of a singularly perturbed bilocal problem*, Rev. Anal. Numer. Theor. Approx.,**27**(1998) 2, 297-308. - A. C. Mureṣan,
*A method for obtaining iterative formulas of higher order for roots of equations*, Rev. Anal. Numer. Theor. Approx.,**26**(1997) 1-2, 131-135. - A.C. Mureṣan and I. Lazăr,
*Generalized transformation on ratios of Fibonacci and Lucas numbers*, Rev. Anal. Numer. Theor. Approx.,**24**(1995) nos. 1-2, pp. 169-179. - A.C. Mureṣan,
*Remarks concerning a method for accelerating the convergence of sequences*, Rev. Anal. Numer. Theor. Approx.,**23**(1994) no. 1, pp. 79-87.