Bastien Polizzi

Research

Area of research

• Continuum mechanics and mixture theory: application to biology (biofilm, gut mucus)
• Numerical methods for PDEs systems of advection-reactions-diffusion equations
• Hyperbolic system of conservation law with constraint, application road traffic
• Well-balanced and asymptotic-preserving numerical scheme for PDEs
• Population balance model and quadrature based moment methods

Published papers

• A time-space model for the growth of micro-algae biofilms producing lipids,
  Journal of Theoretical Biology: Volume 432, 7 November 2017, Pages 55-79
  B. Polizzi, O. Bernard, M. Ribot.
• Asymptotic problems and numerical schemes for traffic flows with unilateral constraints describing the formation of jams, (hal)
  NHM, Applied Math. Journal Networks and Heterogeneous Media 2017
  F. Berthelin, T. Goudon, B. Polizzi, M. Ribot.
• A mixture model for the dynamic of the gut mucus layer,
  Esaim: proceedings and surveys, Volume 55, December 2016
  T. El Bouti, T. Goudon, S. Labarthe, B. Laroche, B. Polizzi, A. Rachah, M. Ribot, R. Tesson.
• A two-dimensional population balance model for cell growth including multiple uptake systems
  Chemical Engineering Research and Design, Volume 132, April 2018, Pages 966-981
  V. Quedeville, H. Ouazaite, B. Polizzi, R. O. Fox, P. Villedieu, P. Fede, F. Létisse, and J. Morchain

Submited paper

• An ecological model of the gut microbiota interacting with its fluidic environment,
  S. Labarthe, B. Polizzi, T. Phan, T. Goudon, M. Ribot, B. Laroche

Papers in preparation

• Simulating photosynthetic biofilm activity and structure,
  B. Polizzi, F. Lopes, M. Ribot, O. Bernard

Invitations

• Avril 2015, By Roberto NATALINI at the Consiglio Nazionale delle Ricerche, Italie : Rome,
• Janvier 2015, By Roberto NATALINI at the Consiglio Nazionale delle Ricerche, Italie : Rome.

Selected talks and conferences

• Team days seminary of Mathematical Modelling and Scientific Computing, Institut Camille Jordan, INSA Lyon
  Mathematical model coupling rheology and microbiota population dynamic for the gut.
• CEMRACS 2018 — Numerical and mathematical modeling for biological and medical applications, CIRM, Marseille Luminy
  Effect of the harvest on the productivity of microalgae phototrophic biofilm.
• Mathematical Biology Seminar, Fields Institute, Toronto, Canada,
  Mixture theory models for phototropic biofilm and gut rheology.
• Team seminary of Professor Brian INGALLS, University of Waterloo, Canada,
  Mixture theory models for phototropic biofilm and gut rheology.
• Seminary of applied Mathematic, University of Nantes, France,
  Modeling and numerical simulation for fluid mechanics systems with constraints: application to road traffic and biology.
• Seminary of the INRIA Project Lab Algae in silico, (December 2017)
  Numerical estimation of the harvest on productivity of microalgea biofilm
• Work group: Mathematics for biology of the Toulouse Mathematical Institute (Février 2016)
  Mixtures models for microalgae biofilms and rheology of the large intestine.
• Team seminary: Particules, Sprays et combustions, Institut de Mécanique des Fluides de Toulouse
  Simulations for biology and road traffic
• Applied Analysis Days Nice-Toulon-Marseille 2016
  Mathematical models of mixtures theory, application to phototrophic micro-algae biofilms and intestinal mucusc.
• Theses day of year 2016 of the team PDE-NA of Laboratory J.A. Dieudonné (University of Nice Sophia-Antipolis),
  Mathematical models of mixtures theory, application to phototrophic micro-algae biofilms and intestinal mucusc.
• 2015, Summer school of CEMRACS 2015, A mixture model of the mucosal barrier dynamic.
• Ph.D. annual seminary of EDSFA 2015, University of Nice Sophia-Antipolis, Mathematical model for micro-algae biofilms.
• Invited for the team seminary of Biocore,
  • 2015, Model for the growth of micro-algae biofilms and numerical results,
  • 2014, A time-spece model for the growth of micro-algae biofilms.
• Team seminary of COFFEE 2014, Numerical simulations for the constrained Aw-Rascle model.
• PhD seminar of the PDE and Numerical Analysis team, Laboratory J.A. Dieudonné, University of Nice Sophia-Antipolis
• 2015, Model for the growth of micro-algae biofilms and numerical results,
• 2015, Mathematical model for micro-algae biofilms,
• 2014, Simulations numériques pour le modèle d’Aw-Rascle modifié avec contrainte.

Selected conferences (as auditor)

• 2017, CMM-Fields-Inria Workshop on Mathematics for Medicine, The Fields Institute for Research in Mathematical Sciences, Toronto.
• 2015, Journées Jeunes EDPistes Français, Saint-Brevin-les-Pins
• 2014, Models for bacterial biofilms formation : mathematical, physical and biological perspectives, Nice.
• 2013, Asymptotic behaviour of systems of PDE arising in physics and biology: theoretical and numerical points of view, CEMPI: Lille

Poster

• Juin 2018 - Conference on Multiscale Problems in Materials and Biology, conference in honor of Leonid Berlyand's 60th birthday , The Fields Institute, Toronto
  A time-space model for the growth of microalgae biofilms for biofuel production

Summer school

• CEMRACS 2015 — Coupling Multi-Physics Models involving Fluids
• CEMRACS 2018 — Numerical and mathematical modeling for biological and medical applications: deterministic, probabilistic and statistical descriptions

Supervision

• CEMRACS 2018 Project — A multi-scale epidemic model of Salmonella infection with heterogeneous shedding
  Co-supervision of F. PATOUT, Thi Nhu Thao NGUYEN et Tabea STEGMAIER with M. RIBOT, S. LABARTHE & B. LAROCHE
• 2014 June to November - Co-supervision with T. GOUDON, B. NKONGA and M. RIBOT of the pre-doctoral internship of GOSWAMI Tathagata

Master Internship

Constrained multi-lane road traffic model (rapport),University of Nice Sophia-Antipolis, Co-advised by Magali RIBOT & Florent BERTHELIN