
Biography
Paul Gassiat is maître de conférences in Dauphine since 2015. His research is focused on stochastic analysis and its applications, in particular in mathematical finance.
Publications
Articles
Gassiat P., Gess B., Lions P-L., Souganidis P. (2024), Long-time behavior of stochastic Hamilton-Jacobi equations, Journal of Functional Analysis, vol. 286, n°4, p. 110269 
Gassiat P., Seeger B. (2024), The Neumann problem for fully nonlinear SPDE, Annals of Applied Probability, vol. 34, n°2, p. 1730-1788 
Gassiat P., Klose T. (2024), Gaussian rough paths lifts via complementary young regularity, Electronic Communications in Probability, vol. 29, p. 1-13 
Gassiat P., Mądry . (2023), Perturbations of singular fractional SDEs, Stochastic Processes and their Applications, vol. 161, p. 137-172 
Gassiat P. (2023), Weak Error Rates of Numerical Schemes for Rough Volatility, SIAM Journal on Financial Mathematics, vol. 14, n°2, p. 475-496 
Gassiat P. (2021), Non-uniqueness for reflected rough differential equations, Annales de l'Institut Henri Poincaré, Probabilités et statistiques, vol. 57, n°3, p. 1369-1387 
Gassiat P., Oberhauser H., Zou C. (2021), A free boundary characterisation of the Root barrier for Markov processes, Probability Theory and Related Fields, vol. 180, p. 33-69 
Friz P., Gassiat P., Pigato P. (2021), Short dated smile under Rough Volatility: asymptotics and numerics, Quantitative Finance 
Friz P., Gassiat P., Pigato P. (2021), Precise asymptotics: robust stochastic volatility models, Annals of Applied Probability, vol. 31, n°2, p. 896 - 940 
Bayer C., Friz P., Gassiat P., Martin J., Stemper B. (2020), A regularity structure for rough volatility, Mathematical Finance, vol. 30, n°3, p. 782-832 
Gassiat P., Gess B., Lions P-L., Souganidis P. (2020), Speed of propagation for Hamilton-Jacobi equations with multiplicative rough time dependence and convex Hamiltonians, Probability Theory and Related Fields, vol. 176, p. 421–448 
Gassiat P., Labbé C. (2020), Existence of densities for the dynamic Φ43 model, Annales de l'Institut Henri Poincaré, Probabilités et statistiques, vol. 56, n°1, p. 326-373 
Gassiat P., Gess B. (2019), Regularization by noise for stochastic Hamilton–Jacobi equations, Probability Theory and Related Fields, vol. 173, n°3-4, p. 1063-1098 
Gassiat P. (2019), On the martingale property in the rough Bergomi model, Electronic Communications in Probability, vol. 24, p. 9 
Gassiat P. (2017), A stochastic Hamilton–Jacobi equation with infinite speed of propagation, Comptes rendus. Mathématique, vol. 355, n°3, p. 296-298 
Friz P., Gassiat P., Lions P-L., Souganidis P. (2017), Eikonal equations and pathwise solutions to fully non-linear SPDEs, Stochastics and Partial Differential Equations: Analysis and Computations, vol. 5, n°2, p. 256-277 
Cannizzaro G., Friz P., Gassiat P. (2017), Malliavin calculus for regularity structures: The case of gPAM, Journal of Functional Analysis, vol. 272, n°1, p. 363-419 
Diehl J., Friz P., Gassiat P. (2017), Stochastic control with rough paths, Applied Mathematics and Optimization, vol. 75, n°2, p. 285-315 
Pham H., Kharroubi I., Gassiat P. (2012), Time discretization and quantization methods for optimal multiple switching problem, Stochastic Processes and their Applications, vol. 122, n°5, p. 2019–2052 
Prépublications / Cahiers de recherche
Gassiat P., MADRY L. (2024), Zero noise limit for singular ODE regularized by fractional noise, Paris, Cahier de recherche CEREMADE, Université Paris Dauphine-PSL, 32 p.
Gassiat P., Suciu F. (2024), A gradient flow on control space with rough initial condition, Paris, Cahier de recherche CEREMADE, Université Paris Dauphine-PSL, 36 p.
Gassiat P., Klose T. (2023), Gaussian Rough Paths Lifts via Complementary Young Regularity, Paris, Cahier de recherche CEREMADE, Université Paris Dauphine-PSL, 17 p.
Gassiat P., Madry L. (2022), Perturbations of singular fractional SDEs, Paris, Cahier de recherche CEREMADE, Université Paris Dauphine-PSL, 28 p.
Gassiat P. (2022), Weak error rates of numerical schemes for rough volatility, Paris, Cahier de recherche CEREMADE, Université Paris Dauphine-PSL, 19 p.
Gassiat P., Gess B., Lions P-L., Souganidis P. (2022), Long-time behaviour of stochastic Hamilton-Jacobi equations, Paris, Cahier de recherche CEREMADE, Université Paris Dauphine-PSL, 37 p.
Gassiat P., Seeger B. (2021), The Neumann problem for fully nonlinear SPDE, Paris, Cahier de recherche CEREMADE, Université Paris Dauphine-PSL, 43 p.