CV
Name: STAMATE (LUPASCU), Oana-Valeria
ORCID iD: 0009-0003-1787-5129
Date of birth: 14th December 1986
Marital status: Married, 1 daughter (2021)
Nationality: Romanian
Education:
Habilitation in Mathematics (2020): Stochastic numerical approach for branching-fragmentation processes, Gheorghe Mihoc-Caius Iacob Institute of Mathematical Statistics and Applied Mathematics of the Romanian Academy
PhD in Mathematics (2010-2013): Probabilistic and deterministic models for fracture type phenomena, in the frame of a cotutelle agreement between Paris 13 University, France, and Simion Stoilow Institute of Mathematics of the Romanian Academy (IMAR) in Bucharest, Romania; under the joint supervision of
Prof. Dr. Ioan R. Ionescu (University Paris 13) and Prof. Dr. Lucian Beznea (Simion Stoilow Institute of Mathematics of the Romanian Academy).
Master in Mathematics at Scoala Normala Superioara Bucuresti, (2009-2011).
Master in Applied Mathematics at the Faculty of Mathematics and Informatics, University of Pitesti, Romania, (2008-2010).
BS in Mathematics at University of Pitesti, Romania, (2005-2008).
Awards:
Prize of The Romanian Mathematical Society, offered to a young Romanian mathematician, June 2019.
Prize of The Romanian Society of Probability and Statistics, offered to a young Romanian mathematician, May 2019.
Dimitrie Pompeiu prize of the Romanian Academy, December 2017.
Publications:
L. Beznea, I.R. Ionescu, O. Lupaşcu-Stamate, Random multiple-fragmentation and flow of particles on a surface, Journal of Evolution Equations 21(4):1-25 DOI:10.1007/s00028-021-00732-z
L. Beznea, M. Deaconu, O. Lupaşcu-Stamate, Scaling property for fragmentation processes related to avalanches. In: Applications of Mathematics and Informatics in Natural Sciences and Engineering, Springer Proceedings in Mathematics & Statistics 334 (2020), https://doi.org/10.1007/978-3-030-56356-1_3
L. Beznea, A-M. Boeangiu, O. Lupaşcu-Stamate, h-transform of Doob and nonlocal branching processes, Anal. Math. Phys. 10 (2020), no 4, 47.
L. Beznea, O. Lupaşcu-Stamate, C. Vrabie, Stochastic solutions to evolution equations of non-local branching processes, Nonlinear Analysis 200 (2020), 112021, 18 pp.
I. R. Ionescu, O. Lupaşcu-Stamate, Boundary variation method for the generalized Cheeger problem, Applied Numerical Mathematics 140 (2019) 199-214.
O. Lupaşcu-Stamate, C.-A Tudor, Rosenblatt Laplace motion, Mediterr. J. Math., (2019), https://doi.org/10.1007/s00009-018-1290-x
L. Beznea, M. Deaconu, and O. Lupaşcu-Stamate, Numerical approach for stochastic differential equations of fragmentation; application to avalanches, Mathematics and Computers in Simulation, 160 (2019) 111-125. https://doi.org/10.1016/j.matcom.2018.12.004
O. Lupaşcu, V. Stanciulescu, Numerical solution for the non-linear Dirichlet problem of a branching process, Complex Analysis and Op. Th. , 8 (2017), 1895-1904.
L. Beznea, M. Deaconu, and O. Lupaşcu, Stochastic equation of fragmentation and branching processes related to avalanches, Journal of Statistical Physics, 162 (2016), 824–841.
L. Beznea and O.Lupaşcu, Measure-valued discrete branching Markov processes, Trans. Amer. Math. Soc., 368 (2016), no. 7, 5153-5176.
I. R. Ionescu and O. Lupaşcu, Modeling shallow avalanche onset over complex basal topography, Advances in Computational Math., 42 (2016), 5-26.
I. R. Ionescu and O. Lupaşcu, Onset of a dense avalanche on a plane slope, Proc. Romanian Academy, 16 (2015), 405-412.
L. Beznea, M. Deaconu, and O. Lupaşcu, Branching processes for the fragmentation equation, Stochastic Processes and their Applications, 125 (2015), 1861-1885.
O. Lupaşcu, Subordination in the sense of Bochner of L^p-semigroups and associated Markov processes, Acta Mathematica Sinica, English Series, 30 (2014), 187-196.
L. Beznea, O. Lupaşcu, and A.-G. Oprina, A unifying construction for measure-valued continuous and discrete branching processes. In: Complex Analysis and Potential Theory, CRM Proceedings and Lecture Notes, vol. 55, Amer. Math. Soc., Providence, RI, 2012, pp. 47-59.
Preprints
L. Beznea, I. Cimpean, O. Lupascu-Stamate, I. Popescu, A. Zarnescu, From Monte Carlo to neural networks approximations of boundary value problems, preprint 2023, in revision, (https://arxiv.org/abs/2209.01432).
M. Deaconu, O. Lupascu-Stamate, Asymptotic behaviour of a one-dimensional avalanche model through a particular stochastic process, in revision, preprint 2023 (https://inria.hal.science/hal-03947249v1).
D. Coculescu, O. Lupascu-Stamate, On the fragility of mutual insurance arrangements, submitted, preprint 2021 (https://papers.ssrn.com/sol3/papers.cfm?abstract_id=1189182).
O. Lupascu-Stamate, V. Stanciulescu, Numerical solution to the Neumann problem in a Lipschitz domain, based on random walks, accepted for publication in Proceedings of the Romanian Academy, Series A: Mathematics, Physics, Technical Sciences, Information Science, 2024 https://drive.google.com/file/d/12oWIyicHtpUHNFOX_kcuVu4EgjF6aG0B/view?usp=share_link
and https://arxiv.org/submit/5640218/view
Fellowships:
Research fellowship of the French Institute in Bucharest: 1 month, (November-December 2023).
Postdoctoral fellowship of the French Institute in Bucharest: 2 months, (October-November 2016).
Postdoctoral fellowship of the Research Institute of the University of Bucharest (ICUB), Romania: 9 months, (April-December 2015).
Joint research project with Prof. Dr. Ioan R. Ionescu (Univ. Paris-Nord), entitled Modeling of snow avalanches and stochastic aspects, funded by the Laboratoire Europeean Associe CNRS Franco-Roumain, May-November 2015.
Postdoctoral fellowship at INRIA Tosca team, Nancy: 16 mois (December 2014 - March 2015).
PhD fellowship of the Cultural Service of the French Embassy in Bucharest: support for 12 months, during two academic years (2011-2013).
PhD fellowship in a POSDRU project, co-founded by EU and the Romanian Government, 2011-2013.
BITDEFENDER Junior Research fellowship at IMAR: 6 months in 2010.
Teaching activities:
Lectures on Stochastic Differential Equations (master M2), University of Bucharest, 2019-2020.
Lectures in Méthodes stochastiques et numériques pour des processus de fragmentation et coagulation I, (10 hours) at the Regional Romanian-French Summer School in Applied Mathematics, Sinaia, July 2019.
Seminars on Brownian motion and Levy processes (master M1), University of Bucharest, 2017-2018.
Seminars on Real analysis (license L1), University of Lorraine, Nancy, France, 2014.
Seminars on Probability (license L1), University of Lorraine, Nancy, France, 2014.
Seminars on Rigid solid mechanics (license L2), University Paris 13, France, 2013.
Seminars on Linear algebra and geometry (license L1), real analysis (license L1), probability and statistics (license L2), POLITEHNICA University Bucharest, 2010-2012.
Research grants:
Member of the research team of the project Stochastic analysis methods for the evolution equations of non-local branching and fragmentation processes, funded by he Romanian Ministry of Education and Research, 2022-2024.
Director of the project Random time modifications of stochastic processes with numerical aspects for non-linear equations, funded by the Romanian Ministry of Education and Research, 2018-2020.
Member of the research team of the project Stochastic analysis and nonlinear equations for fragmentation processes, funded by he Romanian Ministry of Education and Research, 2017-2019.
Member of the research team of the national research project entitled Dense avalanches: from experiment to software, funded by the Romanian Ministry of Education and Research, 2017-2018.
Member of the research team of the national research project entitled Analysis of Schroedinger equations, funded by the Romanian Ministry of Education and Research, 2015-2017.
Member of the research team of the national research project entitled Mathematical Modeling of Ductile Rupture, funded by the Romanian Ministry of Education and Research, 2011-2016.
Research collaborations:
BCAM, Spain, collaboration with Arghir Zarnescu, 2018.
University of Zurich, Switzerland, collaboration with Delia Coculescu, 2017-2022.
University Paris 1, France, collaboration with Ciprian A. Tudor, 2016, 2019.
Institut Elie Cartan de Lorraine, France, collaboration with Madalina Deaconu, 2012, 2016-2022.
University Paris 13, France, collaboration with Ioan R. Ionescu, 2014 - 2023.
Scientific visit at Technical University of Dresden, Germany, invited Rene Schilling, June 2012 (one week).
Other conferences, workshops, and summer schools attended:
Summer School on Levy Processes, Lille, France, July 2016.
Regional Romanian-French Summer School in Applied Mathematics, Sinaia, July 2015.
Brussels Summer School of Mathematics, Brussels, August 2013.
The first NIMS Probability Summer School, Daejeon, Coree du Sud, August 2011.
Partial Differential Equation, Summer School from Cortona, Italy, August 2010.
Evolution equation and numerical analysis, SIMUMAT Summer School from Castro Urdiales, Cantabria, Espagne, July 2009.
PC Skilles:
Math software: Matlab, FreeFem++, LaTeX.
Foreign Languages:
Romanian (native), English, French.