02 32 95 66 12
- Thèmes de recherche: Homogénéisation stochastique, EDP stochastiques, contrôle optimal, équations dirigées par le mouvement Brownien fractionnaire, représentation probabiliste, comportement en temps long pour des processus stochastiques renforcés.
- Projets : membre des projets M2Num (Région Normandie et Europe, 2015-2019), M2SiNum (Région Normandie et Europe, 2018-2021), et ANR Project QUantum Turbulence Exploration by High-Performance Computing (ANR-18-CE46-0013).
- Activités Administratives :
Référente Développement Durable du LMI depuis Mai 2020. - Collaborations: Siemens-Gamesa, ADWEN (N. Warncke), ENSTA Paris, Iasi (Roumanie), Neuchatel (Suisse), TU Berlin (Allemagne).
- Encadrement doctoral : Carl-Erik Gauthier (avec M. Benaïm, Neuchatel, Suisse), thèse soutenue en 2015.
- Enseignement: Génie Mathématique : Probabilités (GM3), Calcul stochastique pour la Finance (GM5), Mathématiques au département Energie-Propulsion et TD de probabilités en STPI.
- Thèse: Doctorat de Mathématique, Iasi (Roumanie) sous la direction de Viorel Barbu.
Publications
- R. Antoine, I. Ciotir, S. Costa, Y. Fargier, C. Fauchard, C. Gout, C. Le Guyader, O. Maquaire, S. Taoum, A. Tonnoir, Coastline erosion study via UAV drone remote sensing using python modelling electrical resistivity imaging, (PyMERI), accepted for publication, IEEE IGARSS ref#1321, to appear 2020.
- N. Warncke, I. Ciotir, A. Tonnoir, C. Gout and Z. Lambert, Analytical approach to Galerkin BEMs on polyhedral surfaces, SMAI J. of Computational Mathematics, Volume S5, p. 27-46, 2019.
- Ciotir, I., N. Forcadel et W. Salazar, Homogenization of a stochastic viscous Burgers' type equation, soumis, 2017.
- Ciotir, I., Existence and uniqueness of the solution for stochastic super-fast diffusion equations with multiplicative noise, Journal of Mathematical Analysis and Applications 452 (1), pp. 595-610, 2017.
- Ciotir I., Jonas M. Tölle, Nonlinear stochastic partial differential equations with singular diffusivity and gradient Stratonovich noise, Journal of Functional Analysis Volume 271, Issue 7, Pages 1764–1792, 2016.
- Ciotir, I., (2015), A variational approach to Neumann stochastic semi-linear equations modeling the thermostatic control, Journal of Optimization Theory and Applications, Springer, Volume 167, Issue 3, 1095-1111, 2015.
- Benaïm, M., Ciotir, I., Gauthier, C.-E., (2015), Self-repelling diffusions via an infinite dimensional approach. Stochastic
Partial Differential Equations. Anal. Comput., Springer, Vol.3, Issue 4, 506–530, 2015 - Ciotir, I., Russo, F., (2014) Probabilistic representation for solutions of a porous media type equation with Neumann boundary condition : the case of the half-line, Differential and Integral Equations, Volume 27, Numbers 1-2, 181-200.
- Ciotir, I., Tölle, J.M. (2012) Convergence of invariant measures for singular stochastic diusion equations, Stochastic Processes and their Applications, Volume 122, Issue 4, p. 1998-2017
- Ciotir, I., Scutariu, A., (2011) A comparative analysis of the Romanian development regions, in terms of economic and tourism indicators, The Annals of the "Stefan cel Mare" University of Suceava, volume 11, no. 1 (13).
- Ciotir, I., Scutariu, A., (2009) A statistical analysis of the north-east region of Romania compared to the others in terms of tourist activity, The Annals of the "Stefan cel Mare" University of Suceava, volume 9, no. 2 (10).
- Ciotir, I. (2011) Convergence of the solutions for the stochastic porous media equations and homogenization, Journal of Evolution Equations, Springer, ISSN 1424-3199, Volume 11, Issue 2, p. 339-370.
- Ciotir, I. (2011) A Trotter-type theorem for nonlinear stochastic equations in variational formulation and homogenization, Dierential and Integral Equations, Khayyam Publishing Company, ISSN 0893 - 4983, Volume 24, Issue 3-4, p. 371-388.
- Ciotir, I. (2009) A Trotter type result for the stochastic porous media equations, Nonlinear Analysis : Theory, Methods & Applications, Elsevier, ISSN 0362-546X, Volume 71, Issue 11, p. 5606-5615.
- Ciotir, I. (2010) Existence and uniqueness of solution for stochastic porous media equations of saturated fows, Applied Mathematics and Optimization, Springer New York, ISSN 0095- 4616, Volume 61, Issue 1, p. 129-143.
- Ciotir, I., Rascanu, A. (2009) Viability for stochastic dierential equations driven by fractional Brownian motion, Journal of Dierential Equations, Elsevier, ISSN 0022-0396, Volume 247, Issue 5, p.1505-1528.
- Ciotir, I. (2009) Tangent sets in the viability of dierential equation driven by Young integral, The Annals of University "Al.I. Cuza" Iasi, ISSN 1221-8421, Tom LV, s.l., f.2, p.403-418.
- Agrigoroaiei, O., Ciotir, I. (2006) An inverse problem in optical tomography, Memoriile Sectiilor Stiintice (Memoirs of Scientifc Sections), Publishing House of the Romanian Academy, ISSN 1224-1407, Seria IV, Tom XXIX, p. 75-83.
Communications
- 2014, Juillet, Invitée à International Symposium on Mathematical Theory of Networks and Systems, Groningen, Pays-Bas.
- 2012, Avril, "Convergence of solutions and invariant measures for stochastic differential equations with singular diusivity", Conference on Probability and Related Aspects, AlbaIulia, Roumanie.
- 2012, Février, "Convergence of invariant measures for singular stochastic diffusion equations" Workshop Recent Developments in Stochastic Analysis, Lausanne EPFL, Suisse.
- 2011, Septembre, "Convergence of solutions for stochastic differential equations in Hilbert spaces and applications", Conference on Applied and Industrial Mathematics, Iasi, Roumanie.
- 2011, Juillet, "Existence and uniqueness of solution for the stochastic nonlinear diusion equation of plasma", Workshop Stochastic and Real World Models, Bielefeld, Allemagne.
- 2010, Août, "Convergence of the invariant measures for stochastic partial differential equation", Colloque franco-roumain en mathématiques appliquées, Poitiers, France.
- 2010, Janvier, "A Trotter type theorem for nonlinear stochastic equations in variational formulation and homogenization", Joint Meeting on Stochastic Analysis, SPDEs, Particle Systems, Optimal Transport, Levico Terme, Italie.
- 2010, Janvier, "A Trotter theorem for stochastic porous media equations and homogenization", SPDW01 Stochastic Partial Dierential Equations, Cambridge, Angleterre.
- 2009, Mai, "Convergence of the solution for stochastic porous media equations and homogenization", Workshop Stochastic and Real World Models, Bielefeld, Allemagne.
- 2009, Mai, "A Trotter-type result for stochastic porous media equations", Workshop Mathematical approaches in optimization, modellisation and control, Iasi et Paris Dauphine, France.
- 2008, Septembre, "Stochastic viability", Workshop Stochastic Partial Dierential Equations, Iasi, Roumanie.
Co-organisation de manifestations:
- Co-organisation des Rencontres Mathématiques de Rouen 2018, avec Martin HAIRER, médaille Fields 2014 (Solution Theory for Quasilinear Singular Stochastic PDEs), juin 2018, https://rmr2018.sciencesconf.org/