- Infinite Horizon Stochastic Impulse Control with Delay and Random Coefficients, Authors: Boualem Djehiche, Said Hamadène, Ibtissem Hdhiri and Helmi Zaatra, 2021. Mathematics of Operations Research. Doi: 10.1287/moor.2021.1145
- Recursive algorithm for transition density approximation and simulation of diffusion processes. Authors: Helmi Zaatra , Samir Ben Hariz and Youssef Esstafa. Statistica Neerlandica. DOI: 10.1111/stan.70020
- Risk-Sensitive Impulse Control Problems with Jumps and Execution Delays, Authors : Ibtissem Hdhiri and Helmi Zaatra. Doi: 10.3934/mcrf.2025021
- Optimal Investment Management in Natural Resources Market: Stochastic Impulse Control Problem. Authors : Helmi Zaatra and Ibtissem Hdhiri. Doi: 10.3934/jdg.2026013
- Risk-sensitive stochastic impulse control problems with random coefficients and execution delays. Author: Helmi Zaatra. https://doi.org/10.1515/rose-2026-3009
- Stochastic Impulse Control Problems with Partial Information. Authors: Helmi Zaatra and Ibtissem Hdhiri (submitted).
- Stochastic Impulse Control of Non-Markovian Processes with Unbounded Running Rewards. Author : Helmi Zaatra. (submitted).
- Backward Stochastic Differential Equations with Conditional Reflection and Infinite Horizon. Helmi Zaatra and Ibtissem Hdhiri (In progress).
