Talks in conferences and lectures given at universities or research institutes

                                                                    2022

• Arghir Dani Zarnescu, Nonlinear Analysis and PDE Conference Xi'an 2022, China (online conference), August 4th, 2022. Title of the talk: Design by colloidal homogenisation in Landau de Gennes theory of nematic liquid crystals

• Arghir Dani Zarnescu, SIAM Conference on Nonlinear Waves and Coherent Structures, Bremen, Germany, August 31st, 2022. Title of the talk: Twist waves in nematic liquid crystals

• Arghir Dani Zarnescu, Applied Analysis Seminar, Luisiana State University, USA (online seminar) November 14th,  2022. Title of the talk: On the motion of several small rigid bodies in a viscous incompressible fluid

• Lucian Beznea, Journée Pasta, Nancy, France, July 8th, 2022.  Title of the talk: Continuous flows driving branching processes and the total mass

• Lucian Beznea, Probability Seminar, Luxembourg University, Luxembourg, July 13th, 2022. Title of the talk: Multiple-fragmentation stochastic processes driven by a spatial flow

• Lucian Beznea, Bielefeld Stochastic Afternoon, Bielefeld University, August 10th, 2022, Bielefeld, Germany. Title of the talk: Continuous flows driving branching processes and their nonlinear evolution equations

• Lucian Beznea, From Dirichlet Forms to Wasserstein Geometry, Bonn, Germany, August 29th, 2022. Title of the talk: Continuous flows driving branching processes

• Lucian Beznea, Statistical Modeling with Applications 2022, Bucharest, Romania, October 14th, 2022. Title of the talk: Multiple-fragmentation stochastic processes driven by a spatial flow

• Lucian  Beznea, Numerical Analysis, Numerical Modeling, Approximation Theory (NANMAT 2022), Cluj-Napoca, Romania, October 27th, 2022. Title of the talk: Scaling property for fragmentation processes related to avalanches (online)

•  Lucian  Beznea, 2nd Workshop on Geometric Function Theory in Several Complex Variables and Complex Banach Spaces, December 3rd, 2022. Title of the talk: Classical and recent results on the existence of invariant measures for transition functions (online)

• Lucian Beznea, Bielefeld Stochastic Afternoon, Bielefeld University, December 7th, 2022, Bielefeld, Germany. Title of the talk: Continuous flow driving a Markov process

• Oana Lupașcu-Stamate, Workshop for Young Researchers in Mathematics-11th Edition, Bucharest, May 20th, 2022.  Title of the talk: h-transform for Bochner subordinate L^p-semigroups (online)

• Oana Lupașcu-Stamate, Journée Pasta, Nancy, France, July 8th, 2022.  Title of the talk: h-transform of Doob and nonlocal branching processes

• Oana Lupașcu-Stamate, XVeme Colloque Franco-Roumain de Mathematiques Appliquees,  Toulouse, France, September 1st, 2022.  Title of the talk: Asymptotic behaviour of o one-dimensional avalanche model through a particular stochastic process

•  Ioan R.  Ionescu,  Q. Gomez, B. Goument, 11th European Solid Mechanics Conference,(ESMC),  Galway, Ireland, 4 - 8 July, 2022. Title of the talk: A Lagrange discontinuous Galerkin method for wave propagation through frictional contact interfaces

• Ioan R.  Ionescu, A. Danescu, International Conference on Nonlinear Solid Mechanics (ICoNSoM 2022), Alghero, Italy, 13-16 June, 2022. Title of the talk: Covering a surface with pre-stressed ribbons: From theory to nano-structures fabrication

• Ciprian A.  Tudor, Statistics for Stochastic Processes, Univ. of Luxembourg, September 7-9, 2022. Title of the talk:  Exact variation and drift parameter estimation for the nonlinear fractional stochastic heat equation

• Ciprian A.  Tudor, VII Jornadas de Probabilidad y Procesos Estocásticos, Univ. of Bogota, Colombia, 1-3, November, 2022. Title of the talk: Self-similar stochastic processes in Wiener chaos

• Ciprian A.  Tudor, International Conference on Applied Mathematics and Data Sciences, Hassan II University, Casablanca, Morocco, December 16-17, 2022. Title of the talk: Wishart random matrices with non-Gaussian entries

• Iulian Cîmpean, BCAM scientific seminar, Bilbao, Spain, September 2022. Title of the talk: From Monte Carlo to neural networks approximations of boundary value problems

• Iulian Cîmpean, Online seminar at Leipzig University (organized by Prof. Dr. Max von Renesse,), Germany, 2022. Title of the talk: From Monte Carlo to neural networks approximations of boundary value problems

• Iulian Cîmpean, Statistical Modeling with Applications 2022, Bucharest, Romania, October 14th, 2022. Title of the talk: Ergodicity of Markov semigroups and application to singular SDEs on Hilbert spaces

                                                                             2023

• Lucian Beznea, Stochastic Analysis Afternoon, Bucharest, January 26,  2023. Title of the talk: A counter example on the Feller semigroups and Markov processes

• Lucian Beznea, Warm-Up Program, Tenth Bielefeld-SNU joint Workshop in Mathematics, Bielefeld, Germany, February 17-20, 2023. Title of the talk: Introduction to branching processes (course for young researchers)

•  Lucian Beznea, Tenth Bielefeld-SNU joint Workshop in Mathematics, Bielefeld, Germany, February 21-24, 2023. Title of the talk: Measure-valued branching processes and nonlinear evolution equations on measures

•  Lucian Beznea, Harmonic and Complex Analysis: modern and classical, Bar-Ilan Univer- sity, Ramat Gan, Israel, June 18-23, 2023. Title of the talk: Probabilistic characterisation for the differences of superharmonic functions

•  Lucian Beznea, Bielefeld Stochastic Afternoon, Bielefeld, Germany, August 2, 2023. Title of the talk: Nonlinear Dirichlet forms associated with quasiregular mappings

•  Lucian Beznea, THE FOURTH INTERNATIONAL CONFERENCE ”MODERN PROBLEMS IN APPLIED MATH- EMATICS” (MPAM2023), Tbilisi, Georgia, September 13-15, 2023. Title of the talk: Multiplicative Lp-semigroups and continuous flows

•  Lucian Beznea, Mathematics and Machine Learning Conference, Bucharest, September 26, 2023. Title of the talk: Stochastic solutions to evolution equations of non-local branching processes

•  Lucian Beznea,  Analysis & Control of Deterministic and Stochastic Differential Equations, Iasi, September 28-30, 2023. Title of the talk: Path continuity of Markov processes and locality of Kolmogorov operators

•  Lucian Beznea, Recent results on analysis and geometry of (families of) Dirichlet spaces, Chemnitz, Germany, October 2-6, 2023. Title of the talk: Nonlinear Dirichlet forms associated with quasiregular mappings

•  Lucian Beznea, International Conference on Applied and Pure Mathematics 2023 (ICAPM 2023), Iasi, November 9-12, 2023. Title of the talk: Nonlinear Dirichlet forms associated with quasiregular mappings

•  Ciprian A. Tudor, Conference in Stochastic Analysis, Luxembourg, February 2023. Title of the talk: A multidimensional Stein method

• Ciprian A. Tudor,  International Conference on Malliavin Calculus and related topics, Luxembourg, June 2023. Title of the talk: Multidimensional Stein method and asymptotic independence

• Ciprian A. Tudor, The Tenth Congress of the Romanian Mathematicians, Pitesti, Romania, July 2023. Title of the talk: Multidimensional Stein method and asymptotic independence

• Ciprian A. Tudor,  Stochastic Processes and their Applications, Lisbon, Portugal, July 2023. Title of the talk: Drift estimation for the stochastic heat equation

• Ciprian A. Tudor,  Seminar UFRJ (Seminar of the Universidade Federal do Rio de Janeiro), November 2023 (online). Title of the talk: Multidimensional Stein method and asymptotic independenc

• Oana Lupașcu-Stamate, Potential Analysis Afternoon, Bucharest, January 2023. Title of the talk: Asymptotic behaviour of one-dimensional avalanche model through a particular stochastic process

• Oana Lupașcu-Stamate,  Journees de Probabilites, Angers, France,  June 2023. Title of the talk: Asymptotic behaviour of one-dimensional avalanche model through a particular stochastic process 

• Oana Lupașcu-Stamate, The Tenth Congress of Romanian Mathematicians, Pitesti, June 2023. Title of the talk: Asymptotic behaviour of one-dimensional avalanche model through a particular stochastic process

• Oana Lupașcu-Stamate,  Statistical Modeling with Applications, Bucharest, September 2023. Title of the talk: Asymptotic behaviour of one-dimensional avalanche model through a particular stochastic process

• Arghir Dani Zarnescu, “Topological and geometrical aspects in complex materials” Workshop, Hausdorff Institute, Bonn, Germany, March 2023. Title of the talk: Symmetry and multiplicity of solutions in a two-dimensional liquid crystal model

• Arghir Dani Zarnescu, The Tenth Congress of Romanian Mathematicians, Pitesti, July 2023. Title of the talk: On the motion of a large number of small rigid bodies in a viscous incompressible fluid

• Arghir Dani Zarnescu, Fluid Conversations Seminar, Institute of Mathematics of Sevilla, Spain, November 2023. Title of the talk: On the effect of many small bodies on a fluid

• Ioan R. Ionescu,  The Tenth Congress of Romanian Mathematicians,  June 30–July 5, 2023, Pitesti, Romania. Title of the talk: Wave propagation in damaged brittle materials

• Ioan R. Ionescu, Modelling Complexity in Mechanics, 25-29 September 2023, Alghero, Sardinia, Italy. Title of the talk: Wave propagation in cracks-architectured meta-materials

• Gabriele Marinoschi, The Tenth Congress of Romanian Mathematicians,  June 30–July 5, 2023, Pitesti, Romania. Title of the talk: The H-infinity-control problem for parabolic systems

• Iulian Cîmpean,  The Tenth Congress of the Romanian Mathematicians, Pitesti, Romania, June 30 - July 5, 2023. Title of the talk:   From Monte Carlo to neural network approximations of boundary value problems

• Iulian Cîmpean,  Bielefeld Stochastic Afternoon, Bielefeld, Germany, August, 2, 2023, Title of the talk: A probabilistic numerical approach to the inverse Cauchy problem

• Iulian Cîmpean,  Mathematics and Machine Learning, Bucuresti, Romania, September 26,  2023. Title of the talk:  From Monte Carlo to neural network approximations of boundary value problems

• Iulian Cîmpean,  Analysis & Control of Deterministic and Stochastic Differential Equations, Iassy, Romania, September 27-30, 2023. Title of the talk:  Ergodicity of Markov semigroups and application to singular SDEs

• Iulian Cîmpean,  Numerical Analysis, Numerical Modeling, Approximation Theory (NA-NMAT), Cluj-Napoca, Romania, November 7,  2023 (online). Title of the talk:  A probabilistic numerical approach to the inverse Cauchy problem,

• Iulian Cîmpean, The 24th Conference of the Romanian Society of Probability and Statistics, Bucharest, Romania, April 21-22, 2023.  Title of the talk:  From Monte Carlo to neural network approximations of boundary value problems

Publicationsmath                                                                     202220

                                                                         2022

• E. Feireisl, A. Roy, A. Zarnescu, On the motion of several small rigid bodies in a viscous incompressible fluid. Preprint 2022, arxiv.org/abs/2209.09284

• E. Feireisl, A. Roy, A. Zarnescu, On the motion of a small rigid body in a viscous compressible fluid. Preprint 2022, arxiv.org/abs/2208.07933

• E. Feireisl, A. Roy, A. Zarnescu, On the motion of a nearly incompressible viscous fluid containing a small rigid body. Preprint 2022, arxiv.org/abs/2206.02931R

•  L. Beznea, I. Cîmpean, O. Lupașcu-Stamate, I. Popescu, A. Zarnescu, From Monte Carlo to neural networks approximations of boundary value problems. Preprint, 2022, arXiv:2209.01432 (submitted)

• L. Beznea, C.I. Vrabie, Continuous flows driving branching processes and their nonlinear evolution equations. Adv. Nonlinear Anal. 11 (2022), 921-936

• D. Coculescu, O. Lupașcu-Stamate, G. Visentin, On the fragility of mutual insurance arrangements. Preprint, 2022

• C.A.  Tudor, The  generalized Langevin equation with Hermite noise, 2022 (submitted)

• M. Iannelli, G. Marinoschi, Optimal strategies for pathological epidermis: the optimal control of basal cell dynamics. In: Problems in Mathematical Biophysics - a volume in memory of Alberto Gandolfi, SEMA SIMAI Springer Series (to appear).

                                                               2023

•  L. Beznea, I. Cîmpean, M. Röckner, Path continuity of Markov processes and locality of Kolmogorov operators. Stochastics and Partial Differential Equations: Analysis and Computations (2023), https://doi.org/10.1007/s40072-023-00304-x

•  L. Beznea, I. Cîmpean, M. Röckner, Strong Feller semigroups and Markov processes: A counterexample. Stochastics and Partial Differential Equations: Analysis and Computations (2023), https://doi.org/10.1007/s40072-023-00300-1

• C.A. Tudor, N. Yoshida, High order asymptotic expansion for Wiener functionals. Stochastic Process. Appl. 164 (2023), 443–492

• C.A. Tudor, The overdamped generalized Langevin equation with Hermite noise. Fract. Calc. Appl. Anal. 26 (2023), no. 3, 1082–1103

• J. Gamain, C. A. Tudor, Exact variation and drift parameter estimation for the nonlinear fractional stochastic heat equation. Jpn. J. Stat. Data Sci. 6 (2023), no. 1, 381–406

• J. Gamain, D. Mollinedo,  C. A. Tudor,  High-dimensional regime for Wishart matrices based on the increments of the solution to the stochastic heat equation, Braz. J. Probab. Stat. 37 (2023),  412-430

• A. Ayache, C.A. Tudor, Asymptotic normality for a modified quadratic variation of the Hermite process,  Bernoulli (2023), to appear 

• E. Feireisl, A. Roy, A. Zarnescu,  On the motion of a nearly incompressible viscous fluid containing a small rigid body. Journal of Nonlinear Science,  33 (2023), 94.

• E. Feireisl, A. Roy, A. Zarnescu, On the motion of a small rigid body in a viscous compressible fluid. Communications in Partial Differential Equations, 48 (2023), 794-818

• E. Feireisl, A. Roy, A. Zarnescu, On the motion of a large number of small rigid bodies in a viscous incompressible fluid. Journal de Mathematiques Pures et Appliquees, 175 (2023), 216-236

• G. Di Fratta., V. Slastikov, A. Zarnescu, Sufficient conditions for the existence of minimizing harmonic maps with axial symmetry in the small-average regime.  (2023), arXiv preprint arXiv:2307.12934.

• D. Golovaty, J. Taylor, R. Venkatraman, A. Zarnescu,  Interaction energies in paranematic colloids. (2023),  arXiv preprint arXiv:2308.06331

• Z. Geng, A. Roy, A. Zarnescu, Global existence of Weak Solutions for a model of nematic liquid crystal-colloidal interactions. (2023), arXiv preprint arXiv:2310.16245

• V. Canel, M. Campillo, X. Jia,  I. R. Ionescu, Damage in cohesive granular materials: simulations and geophysical implications, Comptes Rendus. Geoscience, Academie des sciences, Paris (2023), DOI: 10.5802/crgeos.203

• V. Canel, M. Campillo, X. Jia, and I. R. Ionescu, Damage in cohesive granular materials: simulations and geophysical implications. Comptes Rendus Géoscience—Sciences de la Planète (2023), https://doi.org/10.5802/crgeos.2023

• G. Marinoschi, Well-posedness of a chemotaxis model with positive and negative cross-diffusion, Discrete Contin. Dyn. Syst. Ser. S (2023), DOI: 10.3934/dcdss.2023170

                                                                      2024

• L. Beznea and A. Teodor, Positive solutions to semilinear Dirichlet problems with general boundary data. Analysis and Mathematical Physics 14 (2024), 39, https://doi.org/10.1007/s13324-024-00905-2

Visiting scientists

Wilhelm Stannat (TU Berlin, Germany)

Max von Renesse (Univ. Leipzig, Germany)

Martin Grothaus (TU Kaserslautern, Germany)

Madalina Deaconu (INRIA Nancy and Univ. de Lorainne, France)

Karen Habermann (Univ. of  Warwick, Great Britain)

Ionuț Munteanu (Al. I. Cuza University of Iassy, Romania)

Ștefana Anița (Al. I. Cuza University of Iassy, Romania)

Jurij Kozicki (Lublin University, Poland)

Balint Toth (Rényi Institute of Mathematics, Budapest, Hungary, and  Univ. of Bristol, UK)

Gerald Trutnau (Seoul National University, Seoul, South Korea)

Arnulf Jentzen (Univ. of Münster, Germany & Chinese Univ. of Hong Kong, China)

Alexandru Hening (Texas, USA)

International workshops

Workshop on Stochastic Dynamics and Potential, July 2-4, 2023, Pitești, Romania

Mathematics and Machine Learning Conference, September 26, 2023, Bucharest, Romania

Analysis and Potential, January 23-26, 2024, Bucharest, Romania 

Scientific report, May-December, 2022

• Romanian

Scientific report, January-December, 2022