Lefebvre, M. (2024). A First-Passage-Time Problem for a Discrete-Time Markov Process. International Journal of Applied Mathematics Computational Science and Systems Engineering, 6, 76-81.

Lefebvre, M. (2024). An Optimal Landing Problem for a Bessel Process. WSEAS TRANSACTIONS ON SYSTEMS, 23, 518-520.

Lefebvre, M. (2024). A Stochastic Model for the Impact of Climate Change on Temperature and Precipitation. WSEAS Transactions on Environment and Development, 20, 726-734.

Lefebvre, M. (2024). Exact solutions to differential equations with different arguments. Buletinul Academiei de Ştiinţe a Republicii Moldova Matematica (3(103)), 96-102.

Lefebvre, M. (2024). Exact solutions to first-passage problems for jump-diffusion processes. Bulletin of the Polish Academy of Sciences, 15 pages.

Lefebvre, M. (2024). Exact solution to a first-passage problem for an Ornstein-Uhlenbeck process with jumps and its integral. Statistics & Probability Letters, 205, 109956 (5 pages).

Lefebvre, M. (2024). First-hitting Place Optimization Problems for Two-dimensional Degenerate Diffusion Processes. WSEAS Transactions on systems and control, 19, 353-359.

Lefebvre, M. (2024). Modeling and optimal control of infectious diseases. Mathematics, 12(13), 2139 (12 pages).

Lefebvre, M. (2024). On the ability of engineering students to get correct answers in mathematics examinations. Acta et Commentationes Sciences of Education, 34(4), 6 pages.

Lefebvre, M. (2024). On the remaining lifespan of devices. Stochastic Models in Probability and Statistics, 1(1), 105-118.

Lefebvre, M., & Yaghoubi, R. (2024). Optimal control of a queueing system. Optimization, 1-14.

Lefebvre, M., & Yaghoubi, R. (2024). Optimal inspection and maintenance policy: integrating a continuous-time Markov Chain into a homing problem. Machines, 12(11), 795 (13 pages).

Lefebvre, M. (2023). A discrete-time homing problem with two optimizers. Games, 14(6), 68 (10 pages).

Lefebvre, M. (2023). A first-passage-place problem for integrated diffusion processes. Journal of Applied Probability, 13 pages.

Lefebvre, M. (2023). An Explicit Solution to a Discrete-time Stochastic Optimal Control Problem. WSEAS Transactions on Systems, 368-371.

Lefebvre, M. (2023, October). An optimal control problem for a modified M/G/k queueing system [Paper]. Workshop on Intelligent Information Systems (WIIS 2023), Chisinau, Republic of Moldova (8 pages).

Lefebvre, M. (2023). An optimal control problem without control costs. Mathematical Biosciences and Engineering, 20(3), 5159-5168.

Lefebvre, M. (2023). Controlled two-dimensional Markov chains between two absorbing barriers. The Journal of Difference Equations and Applications, 30(3), 278-286.

Lefebvre, M. (2023). First-Passage Times and Optimal Control of Integrated Jump-Diffusion Processes. Fractal and Fractional, 7(2), 152 (14 pages).

Lefebvre, M. (2023). Optimal control of jump-diffusion processes with random parameters. Buletinul Academiei de Ştiinţe a Republicii Moldova Matematica (3(100)), 22-29.

Lefebvre, M. (2022, August). An application of Markov chains in meteorology [Presentation]. In 29th Conference on Applied and Industrial Mathematics (CAIM 2022), Chisinau, Moldavie.

Lefebvre, M. (2022). An exact formula for the value of a portfolio at a random final time. Revue Roumaine de Mathématiques Pures et Appliquées, 67(3-4), 67-75.

Lefebvre, M. (2022, October). An inverse stochastic optimal control problem [Presentation]. In International Conference on Electronics, Communications and Computing (IC ECCO-2022), Chisinau, Moldavie.

Lefebvre, M., & Pazhoheshfar, P. (2022). An optimal control problem for the maintenance of a machine. International Journal of Systems Science, 53(15), 3364-3373.

Lefebvre, M. (2022). A Wiener process with jumps to model the logarithm of new epidemic cases. AIMS Biophysics, 9(3), 271-281.

Lefebvre, M. (2022). Estimation of the return periods in hydrology. Advances in Environmental and Engineering Research, 3(4), 49 (9 pages).

Lefebvre, M. (2022). First-exit problems for integrated diffusion processes with state-dependent jumps. Wseas Transactions on Mathematics, 21, 864-868.

Lefebvre, M. (2022). First-passage problems for diffusion processes with state-dependent jumps. Communications in Statistics - Theory and Methods, 51(9), 2908-2918.

Lefebvre, M. (2022). Forecasting the Long-term Monthly Variations of Major Floods. WSEAS Transactions on Environment and Development, 18(46), 481-485.

Lefebvre, M. (2022, July). Forecasting the long-term variations of temperature and precipitation in Jordan [Presentation]. In 7th Palestinian Conference on Modern Trends in Mathematics and Physics, Birzeit, Palestine.

Lefebvre, M. (2022). Minimizing or maximizing the first-passage time to a time-dependent boundary. Optimization, 71(2), 387-401.

Lefebvre, M. (2022). On a Non-Linear Differential-Integral Equation. Lobachevskii Journal of Mathematics, 43(11), 3216-3221.

Lefebvre, M. (2022). On the Duration of an Epidemic. Differential Equations and Dynamical Systems, 11 pages.

Lefebvre, M. (2022). On the Inverse LQG Homing Problem. Journal of Contemporary Mathematical Analysis-Armenian Academy of Sciences, 57(2), 122-130.

Lefebvre, M. (2022). On the inverse LQG homing problem. Proceedings of the NAS Armenia: Mathematics, 57(2), 44-55.

Lefebvre, M. (2022, November). On the number of states in a modified M/M/2/n queueing model [Presentation]. In AUA-UAEU Workshop on Graph Theory, Combinatorics and Applications (GTCA 2022), Al-Ain, United Arab Emirates.

Lefebvre, M. (2022, June). Optimal control of compound Poisson processes [Paper]. 4th International Conference on Applied Mathematics and Numerical Methods (ICAMNM 2022), Craiova, Romania (5 pages). Published in ITM Web of Conferences, 49.

Lefebvre, M. (2022). Probabilistic solutions of integral equations from optimal control. Journal of Integral Equations and Applications, 34(2), 215-227.

Lefebvre, M. (2022). The homing problem for autoregressive processes. IMA Journal of Mathematical Control and Information, 39(1), 322-344.

Lefebvre, M., & Moutassim, A. (2021). Exact solutions to the homing problem for a Wiener process with jumps. Optimization, 70(2), 307-319.

Lefebvre, M. (2021). Moments of First-Passage Places for Jump-Diffusion Processes. Sankhya A, 83(1), 245-253.

Lefebvre, M. (2021, September). Nanoparticles Brownian motion [Presentation]. In International Summer School on Nanostructures and Biomaterials: Assembly and Characterization Methods, Lipari, Italie.

Lefebvre, M. (2021). On a modified M/M/m/n queueing model. Computer Science Journal of Moldova, 29(1), 29-40.

Lefebvre, M. (2021, March). Stochastic modeling in hydrology [Presentation]. In International Workshop on New Horizons in Experimental Investigation Techniques for Condensed Matter Systems, Messina, Italie.

Lefebvre, M. (2020). A stochastic model for computer virus propagation. Journal of Dynamics & Games, 7(2), 163-174.

Lefebvre, M. (2020). Computer virus propagation modelled as a stochastic differential game. Atti della Accademia Peloritana dei Pericolanti - Classe di Scienze Fisiche, Matematiche e Naturali, 98(1).

Lefebvre, M. (2020). Exit problems for jump-diffusion processes with uniform jumps. Journal of Stochastic Analysis, 1(1).

Lefebvre, M. (2020). Maximizing the expected remaining useful lifetime of a weakly controlled device. Engineering Optimization, 52(9), 1588-1597.

Lefebvre, M. (2020). Mean of a first-passage time for a two-dimensional diffusion process. Romanian Journal of Pure and Applied Mathematics, 65(1), 37-44.

Lefebvre, M. (2020). Stochastic optimal control of a two-dimensional dynamical system. Journal of Engineering Science, 27(2), 377-343.

Lefebvre, M. (2019). An application of queueing theory in hydrology. Atti Accademia Peloritana Dei Pericolanti-Classe Di Scienze Fisiche Matematiche E Naturali, 97(S2 - A18), 6 pages.

Lefebvre, M. (2019, June). Applied stochastic processes [Presentation]. In Mathematics & IT: Research and Education (MITRE-2019), Chisinau, Moldavie.

Lefebvre, M. (2019, December). Computer virus propagation modelled as a stochastic differential game [Presentation]. In Scientific Meeting of the Accademia Peloritana dei Pericolanti, Classe di Scienze Fisiche, Matematiche e Naturali, Messina, Italie.

Lefebvre, M., & Moutassim, A. (2019, October). Exact solutions to the homing problem for a Wiener process with jumps [Presentation]. In 14th International Seminar on Optimization and Related Areas, Lima, Pérou.

Lefebvre, M. (2019, December). Forecasting the long-term variations of meteorological and geological events by using stochastic processes [Presentation]. In International Conference on Atmospheric Monitoring, Modeling and Simulation, Messina, Italie.

Lefebvre, M. (2019). Modelling and forecasting temperature and precipitation in Italy. Atti della Academia Peloritana dei Pericolanti, 97(2), 9 pages.

Lefebvre, M. (2019, June). On a partial integro-differential equation from financial mathematics [Presentation]. In Mathematics & IT: Research and Education (MITRE-2019), Chisinau, Moldavie.

Lefebvre, M. (2019, September). Optimal control of a stochastic system related to the Kermack-McKendrick model [Paper]. 5th Conference of Mathematical Society of Moldova (IMCS 55), Chisinau, Republic of Moldova.

Lefebvre, M. (2019, October). Stochastic optimal control of a two-dimensional dynamical system [Presentation]. In International Conference on Electronics, Communications and Computing (ICECCO-2019), Chisinau, Moldavie.

Lefebvre, M. (2018, April). A two-dimensional diffusion process as a degradation model [Paper]. 54th ESReDA Seminar, Nantes, France (12 pages).

Lefebvre, M. (2018, August). Exact solutions to an optimal control problem for an Ornstein-Uhlenbeck process with random parameters [Presentation]. In 6th Palestinian Conference on Modern Trends in Mathematics and Physics, Tulkarm, Palestine.

Lefebvre, M., & Moutassim, A. (2018). Exact solutions to an optimal control problem for an Ornstein-Uhlenbeck process with random parameters. Palestine Technical University Research Journal, 6(2), 33-33.

Lefebvre, M. (2018). LGQ homing problems for processes used in financial mathematics. Romanian Journal of Pure and Applied Mathematics, 63(1), 27-37.

Lefebvre, M. (2018, December). Modelling and forecasting temperature and precipitation in Italy [Presentation]. In Scientific Meeting of the Academia Peloritana dei Pericolanti, Classe di Scienze Fisiche, Matematiche e Naturali, Messina, Italie.

Lefebvre, M., & Moutassim, A. (2018, October). Optimal control problems for diffusion processes with random parameters [Presentation]. In 2nd International Conference on Applied Mathematics and Numerical Methods (ICAMNM 2018), Craiova, Roumanie.

Lefebvre, M., & Moutassim, A. (2018, August). Optimal control problems for diffusion processes with random parameters [Paper]. International Conference on Differential Geometry - Dynamical Systems (DGDS 2018), Mangalia, Romania. Published in BSG Proceedings, 26.

Lefebvre, M. (2018). Optimally ending an epidemic. Optimization, 67(3), 399-407.

Lefebvre, M., & Moutassim, A. (2017, November). An optimal control problem for a wiener process with random infinitesimal mean [Paper]. International Workshop on New Approaches to Study Complex Systems, Messina, Italie (9 pages). Published in Atti della Accademia Peloritana dei Pericolanti - Classe di Scienze Fisiche, Matematiche e Naturali, 97(S2 - A1).

Lefebvre, M. (2017, October). Applications of stochastic processes in reliability theory and in hydrology [Presentation]. In 8th International Conference on Mathematical Models for Engineering Science (MMES 2017), London, UK.

Lefebvre, M. (2017). Estimating the probability of exceeding a given river flow threshold. Applied Sciences, 19, 76-83.

Ionescu, A., Lefebvre, M., & Munteanu, F. (2017). Feedback Linearization and Optimal Control of the Kermack-McKendrick Model for the Spread of Epidemics. Advances in Analysis, 2(3), 157-166.

Lefebvre, M. (2016, April). Estimating the probability of exceeding a given river flow threshold [Presentation]. In International Conference on Applied Mathematics and Numerical Methods (ICAMNM 2016), Craiova, Roumanie.

Lefebvre, M., & Zitouni, F. (2016). Exact and approximate solutions to LQG homing problems in one and two dimensions. Optimal Control Applications and Methods, 37(1), 127-138.

Lefebvre, M. (2016). Improving the accuracy of river flow forecasts. International Journal of Civil Engineering and Applications, 6(1), 6 pages.

Lefebvre, M., & Bensalma, F. (2016). On the probability of exceeding a given river flow threshold. Hydrological Sciences Journal, 61(12), 2205-2212.

Lefebvre, M. (2016). Optimal and Suboptimal Control of a Standard Brownian Motion. Archives of Control Sciences, 26(3), 383-394.

Lefebvre, M. (2016, July). Optimal control of a stochastic version of the Kermack-McKendrick model [Presentation]. In 5th Palestinian Conference on Modern Trends in Mathematics and Physics, Jénine, Palestine.

Ionescu, A., & Lefebvre, M. (2016, May). Optimal control of a stochastic version of the Lotka-Volterra model [Presentation]. In International Conference on Approximation Theory and its Applications (ICATA 2016), Sibiu, Roumanie.

Ionescu, A., Lefebvre, M., & Munteanu, F. (2016). Optimal control of a stochastic version of the Lotka-Volterra model. General mathematics, 24(1-2), 3-10.

Lefebvre, M. (2016, September). Stochastic optimal control of a mixing flow model [Presentation]. In 24th Conference on Applied and Industrial Mathematics, Craiova, Roumanie.

Lefebvre, M. (2015). Cours et exercices de probabilités appliquées : incluant les notions de base de statistique. (3rd ed.).

Lefebvre, M., & Bensalma, F. (2015). Modeling and forecasting river flows by means of filtered Poisson processes. Applied Mathematical Modelling, 39(1), 230-243.

Lefebvre, M. (2015, December). Obtaining more accurate estimates of the probability of exceeding a given river flow threshold [Presentation]. In International Conference on Business, Management and Applied Science, New York, N. Y..

Lefebvre, M., & Bensalma, F. (2015). On the distribution of a river flow at the time of the next increase. Canadian Journal of Civil Engineering, 42(12), 1146-1148.

Lefebvre, M. (2015, November). Suboptimal solutions to LQG homing problems [Paper]. 14th International Conference on Mathematics and its Applications (ICMA 2015), Timi.

Lefebvre, M., & Bensalma, F. (2014). An application of filtered renewal processes in hydrology. International Journal of Engineering Mathematics, 2014, 9 pages.

Lefebvre, M. (2014, October). Improving the accuracy of river flow forecasts [Presentation]. In Data Analysis and Modeling in Earth Sciences (DAMES 2014), Milan, Italie.

Zitouni, F., & Lefebvre, M. (2014). Linearization of a matrix riccati equation associated to an optimal control problem. International Journal of Differential Equations, 2014, 1-7.

Lefebvre, M. (2014). LQG homing for jump-diffusion processes. ROMAI Journal, 10(2), 1-6.

Lefebvre, M. (2014, September). LQG homing for jump-diffusion processes [Presentation]. In 22nd Conference on Applied and Industrial Mathematics, Bacau, Roumanie.

Lefebvre, M., & Bensalma, F. (2014, November). On the probability of exceeding a given river flow threshold [Presentation]. In 5th Statistics in Hydrology International Workshop (STAHY 2014), Abou Dhabi, É. A. U..

Lefebvre, M. (2013). Controlling a Two-Dimensional Diffusion Process at Most Until a Fixed Time. Optimization, 62(12), 1651-1659.

Lefebvre, M., & Kounta, M. (2013). Discrete homing problems. Archives of Control Sciences, 23(1), 5-18.

Lefebvre, M. (2013). First passage to a semi-infinite line for a two-dimensional Wiener process. ROMAI Journal, 9(1), 61-68.

Lefebvre, M. (2012). Exercices corrigés d'équations différentielles.

Lefebvre, M. (2012, August). First passage to a semi-infinite line for a two-dimensional Wiener process [Presentation]. In 20th Conference on Applied and Industrial Mathematics, Chisinau, Moldavie.

Lefebvre, M., & Zitouni, F. (2012). General LQG homing problems in one dimension. International Journal of Stochastic Analysis, 2012, 803724 (15 pages).

Makasu, C., & Lefebvre, M. (2012). LQG Homing Problem With a Maximin Cost. Journal of the Franklin Institute, 349(5), 1944-1950.

Lefebvre, M., & Makasu, C. (2012). Probabilistic solution to a two-dimensional LQG homing problem. Control and Cybernetics, 41(1), 5-12.

Lefebvre, M., & Aoudia, D. A. (2012). Two-Dimensional Diffusion Processes as Models in Lifetime Studies. International Journal of Systems Science, 43(10), 1943-1949.

Lefebvre, M., & Kounta, M. (2011). First hitting problems for Markov chains that converge to a geometric Brownian motion. ISRN Discrete Mathematics, 2011, 346503.

Lefebvre, M. (2011). LQG homing in a finite time interval. Journal of Control Science and Engineering, 2011, 1-3.

Lefebvre, M. (2011). Maximizing the mean exit time of a brownian motion from an interval. International Journal of Stochastic Analysis, 2011, 1-5.

Bo, L., & Lefebvre, M. (2011). Mean first passage times of two-dimensional processes with jumps. Statistics and probability letters, 81(8), 1183-1189.

Lefebvre, M. (2011). Probabilités, statistique et applications.

Lefebvre, M. (2011). Similarity solutions of partial differential equations in probability. Journal of Probability and Statistics, 2011, 1-13.

Lefebvre, M. (2010). Explicit solutions to the Kolmogorov backward equation. Advances and applications in statistical sciences, 2(1), 51-57.

Lefebvre, M. (2010). Forcing a controlled diffusion process to leave through the right end of an interval. ROMAI Journal, 6(2), 181-184.

Lefebvre, M. (2010). Is the internet slowing down? Advances and applications in statistical sciences, 1(2), 481-486.

Lefebvre, M. (2010, June). LQG homing in a finite time interval [Paper]. 2e congrès International de la Société Marocaine de Mathématiques Appliquées, Rabat, Maroc.

Lefebvre, M. (2010, October). Maximizing a function of the survival time of a Wiener process in an interval [Paper]. International Conference on Stochastic Analysis and Applied Probability (SAAP 2010), Yasmine Hammamet, Tunisia.

Lefebvre, M. (2010). Maximizing or minimizing survival time in the case of random parameters. Asian Journal of Control, 12(2), 231-236.

Lefebvre, M. (2010). Mean first-passage time to zero for wear processes. Stochastic Models, 26(1), 46-53.

Lefebvre, M. (2010). Nearly Gaussian distributions and application. Communications in Statistics - Theory and Methods, 39(5), 823-836.

Lefebvre, M., & Perotto, S. (2009, June). A semi-Markov process with an inverse Gaussian distribution as sojourn time [Presentation]. In 3rd International Symposium on Semi-Markov Models, Cagliari, Italie.

Lefebvre, M. (2009). Basic probability theory with applications.

Lefebvre, M., & Ait Aoudia, D. (2009, December). Explicit solutions to the Kolmogorov backward equation [Presentation]. In SIAM Conference on Analysis of Partial Differential Equations, Miami, Florida.

Lefebvre, M., & Guilbault, J.-L. (2009). First hitting place probabilities for a discrete version of the Ornstein-Uhlenbeck Process. International Journal of Mathematics and Mathematical Sciences, 2009, 1-12.

Lefebvre, M., & Guilbault, J.-L. (2009). On a non-homogeneous difference equation from probability theory. Tatra Mountains mathematical publications, 43(1), 81-90.

Lefebvre, M., & Guilbault, J.-L. (2009). On a process derived from a filtered Poisson process. Revue Roumaine de Mathématiques Pures et Appliquées, 54(2), 147-159.

Lefebvre, M. (2009). On the influence of the type of exams on the performance of students. ROMAI Educational Journal, 4, 22-28.

Lefebvre, M. (2009). Optimal control problems with random final time. International Journal of Pure and Applied Mathematics, 55(2), 153-165.

Lefebvre, M. (2009, November). Optimizing the time spent by diffusion processes in intervals [Paper]. 2nd International Meeting on Optimization Modelization and Approximation (MOMA 2009), Casablanca, Maroc. Published in International journal of open problems in computer science and mathematics, 3(4).

Lefebvre, M. (2009, September). Strictly increasing Markov chains as wear processes [Presentation]. In 17th Conference on Applied and Industrial Mathematics, Constanta, Roumanie.

Lefebvre, M. (2008). Avoiding bankruptcy at all costs. ROMAI Journal, 4(2), 127-134.

Lefebvre, M. (2008). Équations différentielles.

Lefebvre, M. (2008, December). Forcing a controlled diffusion process to leave through the right end of an interval [Paper]. 9th International Conference on Numerical Analysis and Optimization, Mohammedia, Maroc.

Lefebvre, M. (2008). Generalized Filtered Poisson Processes and Application in Hydrology. Statistics & Probability Letters, 78(18), 3274-3276.

Lefebvre, M. (2008). On a diffusion process intermediate between standard Brownian motion and the Ornstein-Uhlenbeck process. ROMAI Journal, 4(1), 131-137.

Guilbault, J.-L., & Lefebvre, M. (2008, June). On a non-homogeneous difference equation from probability theory [Presentation]. In Conference on Differential and Difference Equations and Applications, Stre.

Lefebvre, M. (2008, October). On the influence of the type of exams on the performance of students [Presentation]. In 16th Conference on Applied and Industrial Mathematics, Oradea, Roumanie.

Lefebvre, M. (2008). The Gambler's Ruin Problem for a Markov Chain Related to the Bessel Process. Statistics & Probability Letters, 78(15), 2314-2320.

Lefebvre, M. (2007, July). Avoiding a random barrier as long as possible [Presentation]. In 6th International Congress on Industrial and Applied Mathematics (ICIAM 2007), Zurich, Suisse.

Lefebvre, M. (2007). Diffusion processes with reflecting boundaries and random initial states. Journal of Engineering and Applied Sciences, 2(1), 241-243.

Lefebvre, M. (2007). Exact and approximate probability densities for Wiener processes with random initial states. International Journal of Pure and Applied Mathematics, 36(1), 1-11.

Lefebvre, M., & Guilbault, L. (2007). Statistical models for the errors in precipitation forecasts. Journal of Engineering and Applied Sciences, 2(6), 27-28.

Lefebvre, M. (2007, October). Survival optimization for a diffusion process [Presentation]. In 15th Conference on Applied and Industrial Mathematics, Mioveni, Roumanie.

Lefebvre, M. (2007). Survival optimization for a diffusion process. ROMAI Journal, 3(1), 141-150.

Lefebvre, M. (2006). Applied Probability and Statistics.

Lefebvre, M. (2006). Applied Stochastic Processes.

Lefebvre, M. (2006). Diffusion processes having generalized Pareto probability density functions. International Journal of Pure and Applied Mathematics, 32(4), 517-524.

Lefebvre, M. (2006, September). Diffusion processes with reflecting boundaries and random initial states [Presentation]. In 13th International Conference of the Forum for Interdisciplinary Mathematics on Interdisciplinary Mathematical and Statistical Techniques (SCRA-FIM 2006), Tomar, Portugal.

Lefebvre, M. (2006). First passage problems for asymmetric Wiener processes. Journal of Applied Probability, 43(1), 175-184.

Lefebvre, M., & Guilbault, J. L. (2006, July). Modeling and forecasting a river flow [Presentation]. In 14th European Conference on Mathematics for Industry, Madrid, Espagne.

Lefebvre, M. (2006). Moments of first-passage places and related results for the integrated Brownian motion. ROMAI Journal, 2(2), 101-108.

Lagace, P. J., Wong, M. H., Lefebvre, M., & Fortin, J. (2006). Multilayer Resistivity Interpretation and Error Estimation Using Electrostatic Images. IEEE Transactions on Power Delivery, 21(4), 1954-1960.

Lefebvre, M. (2006). Solutions de similitude d'un jeu différentiel stochastique. ARIMA (Revue africaine de la recherche en informatique et mathématiques appliquées), 5, 203-212.

Lefebvre, M. (2005, July). Diffusion processes having generalized Pareto probability density functions [Presentation]. In 13th INFORMS Applied Probability Conference, Ottawa, Ont..

Lefebvre, M. (2005, July). First passage problems for asymmetric Wiener processes [Presentation]. In 25th European Meeting of Statisticians, Oslo, Norvège.

Lefebvre, M. (2005, October). Moments of first-passage places and related results for the integrated Brownian motion [Presentation]. In 13th Conference on Applied and Industrial Mathematics, Pitesti, Roumanie.

Lefebvre, M. (2005, July). Optimal control problems with random final time [Presentation]. In 22nd IFIP TC7 Conference on System Modeling and Optimization, Turin, Italie.

Lefebvre, M. (2005). Processus stochastiques appliqués.

Lefebvre, M. (2004, June). A Filtered Renewal Process as a Model for a River Flow [Paper]. 13th European Conference on Mathematics for Industry (ECMI 2004), Eindhoven, Pays-Bas.

Lefebvre, M. (2004). A Homing Problem for Diffusion Processes With Control-Dependent Variance. Annals of Applied Probability, 14(2), 786-795.

Seidou, O., Robert, B., Marche, C., Rousselle, J., & Lefebvre, M. (2004). Construction probabiliste de scénarios d'apports à un réservoir. Canadian Journal of Civil Engineering, 31(1), 146-154.

Lefebvre, M. (2004). Cours et exercices de statistique mathématique appliquée.

Lefebvre, M. (2004). First hitting time and place for the integrated geometric Brownian motion. International Journal of differential Equations and Applications, 9(4), 365-374.

Lefebvre, M. (2004, July). Generalized Pareto distributions as solutions to the Kolmogorov forward equation [Presentation]. In 3rd International Symposium on Extreme Value Analysis: Theory and Practice, Aveiro, Portugal.

Lefebvre, M., & Guilbault, J. L. (2004). Hitting place probabilities for two-dimensional diffusion processes. Revue Roumaine de Mathématiques Pures et Appliquées, 49(1), 11-25.

Lefebvre, M. (2003). Cours et exercices de probabilités appliquées. (2nd ed.).

Lefebvre, M. (2003, June). Diffusion processes with Pareto densities and applications [Presentation]. In 1st Joint Meeting of CAIMS and SIAM, Montréal, Québec.

Lefebvre, M. (2003). First-Passage Problems for Degenerate Two-Dimensional Diffusion Processes. Test, 12(1), 125-139.

Lefebvre, M., Ribeiro, J., Rousselle, J., Seidou, O., & Lauzon, N. (2003, July). Probabilistic prediction of peak flood discharges [Paper]. 9th International Conference on Applications of Statistics and Probability in Civil Engineering, San Francisco, USA.

Lefebvre, M. (2002). Cours et exercices de probabilités appliquées.

Lefebvre, M. (2002). Exact solutions to two-dimensional homing problems. International Journal of Systems Science, 33(11), 879-884.

Lefebvre, M. (2002, June). First hitting time and place for the integrated geometric brownian motion [Presentation]. In 19th Nordic Conference on Mathematical Statistics, Stockholm, Suède.

Lefebvre, M. (2002). Geometric Brownian Motion as a Model for River Flows. Hydrological Processes, 16(7), 1373-1381.

Lefebvre, M. (2002). Integrated diffusion processes inside rectangles. Boletin de la sociedad matematica mexicana, 8(3), 171-183.

Lefebvre, M. (2002). Modeling and forecasting the peak flows of a river. Mathematical Problems in Engineering, 8(6), 553-562.

Seidou, O., Rousselle, J., Lefebvre, M., Lauzon, N., & Ribeiro, J. (2002). Modélisation de l'incertitude sur les séquences futures de débits en rivière. [Modelling uncertainty on future river flow sequences]. Hydrological Sciences Journal, 47(3), 367-385.

Lefebvre, M., & Akhbi, M. (2002). On the mean of first hitting places. Revue Roumaine de Mathématiques Pures et Appliquées, 47(2), 191-204.

Lefebvre, M. (2002). Probabilistic Solutions to Optimal Control Problems. Optimization, 51(1), 145-160.

Lefebvre, M. (2002). Survival maximization for a Laguerre population. Mathematical Problems in Engineering, 8(6), 563-574.

Lefebvre, M. (2001, July). A homing problem for diffusion processes with control-dependant variance [Presentation]. In 11th INFORMS Applied Probability Conference, New York, N.Y..

Lefebvre, M. (2001). A Three-Dimensional Landing Model. Mathematical and Computer Modelling of Dynamical Systems, 7(4), 455-464.

Guilbault, J. L., & Lefebvre, M. (2001). Au sujet de l'endroit de premier passage pour des processus de diffusion bidimensionnels. Annales des sciences mathématiques du Québec, 25(1), 23-37.

Lefebvre, M. (2001). Au sujet du débit maximal de la rivière Mistassibi durant la période printanière. Canadian Journal of Civil Engineering, 28(6), 1041-1045.

Lefebvre, M. (2001, July). Exact solutions to two-dimensional homing problems [Presentation]. In 5th SIAM Conference on Control and its applications, San Diego, California.

Lefebvre, M. (2001). Hitting parabolas and exponential curves with diffusion processes. Brazilian Journal of Probability and Statistics, 15, 69-84.

Lefebvre, M. (2001). Maximizing the Time Spent by a Diffusion Process in an Interval. Probability in the Engineering and Informational Sciences, 15(1), 69-82.

Lefebvre, M. (2001, August). Modeling and forecasting the peak flows of a river [Presentation]. In Extremes 2001, Leuven, Belgique.

Guilbault, J.-L., & Lefebvre, M. (2001). On a first hitting place problem for the two-dimensional Cox-Ingersoll-Ross process. Actuarial Research Clearing House, 2001.2.

Lefebvre, M. (2000, June). First hitting place probabilities in two dimensions [Presentation]. In 18th Nordic Conference on Mathematical Statistics, Grimstad, Norvège.

Lefebvre, M. (2000). Linearization of a Dynamic Programming Equation. International Journal of Systems Science, 31(10), 1317-1322.

Lefebvre, M. (2000). On the integral of the sum of squared Ornstein-Uhlenbeck processes. Sankhya: The indian journal of statistics, Série A, 62(1), 11-22.

Lefebvre, M. (2000). Risk-Averse Control of a Three-Dimensional Wear Process. International Journal of Control, 73(14), 1307-1311.

Lefebvre, M., & Adjengue, L. (1998). From Inciting to Forcing an Integrated Bessel Process to Remain as Small as Possible. Engineering Optimization, 30(1), 75-89.

Lefebvre, M. (1998). On a diffusion process used in genetics. Revue Roumaine de Mathématiques Pures et Appliquées, XLIII(7-8), 751-760.

Lefebvre, M. (1998). On the inverse of the LQG homing problem. Annales de l'ISUP, 42(1), 39-49.

Lefebvre, M. (1998). Solving an LQG Homing Problem Via a Different Uncontrolled Process. International Journal of Control, 71(6), 1021-1026.

Lefebvre, M. (1997). On the inverse of the first hitting time problem for bidimensional processes. Journal of Applied Probability, 34(3), 610-622.

Lefebvre, M. (1997). Reducing a nonlinear dynamic programming equation to a Kolmogorov equation. Optimization, 42(2), 125-137.

Lefebvre, M., & Labib, R. (1997, July). Risk sensitive optimal control of wear processes: the vector case [Paper]. 18th IFIP TC7 Conference on Systems Modelling and Optimization, Boca Raton, FL, USA.

Lefebvre, M., & Labib, R. (1997). Temps d'atteinte de cercles pour des processus de Bessel bidimensionnels. Annales des sciences mathématiques du Québec, 21(2), 123-131.

Lefebvre, M. (1996). First-passage distributions of bidimensional processes. Probability in the Engineering and Informational Sciences, 10(3), 325-339.

Lefebvre, M. (1996). First-passage problems involving with lognormal density functions. Rendiconti dell'instituto Lombardo (Scienze-SerieA), 130(fascicule), 63-78.

Lefebvre, M., & Labib, R. (1996). Hitting lines and circles with diffusion processes. Australian Journal of Statistics, 38(2), 213-222.

Labib, R., Lefebvre, M., Ribeiro, J., & Rousselle, J. (1996). Modèles utilisant les processus de diffusion comme outils de prévision. (Technical Report).

Lefebvre, M., & Labib, R. (1996, August). Modelling and controlling the flow of a river [Presentation]. In 16th Nordic Conference on Mathematical Statistics, Lahti, Finlande.

Lefebvre, M. (1996). Moment generating functions of first hitting times for the bidimensional geometric Brownian motion. Annales Universitatis Mariae Curie-Sklodowska. Sectio A. Mathematica, 50, 99-113.

Lefebvre, M. (1996). On the First Passage Time Probability Problem for Bidimensional Ornstein-Uhlenbeck Processes. Sankhya: The indian journal of statistics, Série A, 58(part 2), 179-185.

Lefebvre, M., & Gaspo, J. (1996). Optimal control of wear processes. IEEE Transactions on Automatic Control, 41(1), 112-115.

Lefebvre, M., & Labib, R. (1996, June). Risk sensitive optimal control of wear processes [Paper]. AMS/SIAM Seminar on Mathematics of Stochastic Manufacturing Systems, Williamsburg, VA, USA.

Lefebvre, M. (1995). Construction de fonctions génératrices des moments d'instants de premier passage en deux dimensions. Revue Roumaine de Mathématiques Pures et Appliquées, XL(9-10), 779-787.

Lefebvre, M., & Mazigh, M. (1995). On a pursuit problem. Optimization, 33(1), 81-89.

Lefebvre, M. (1995). Optimal stochastic control of a reservoir. Control and computers, 23(2), 44-47.

Lefebvre, M. (1995). Problèmes de premier passage résolubles par la méthode de séparation des variables. Journal of Applied Probability, 32(2), 337-348.

Lefebvre, M., & Mazigh, M. (1995). Stochastic bargaining models. Journal of Optimization Theory and Applications, 84(2), 377-391.

Lefebvre, M., & Mazigh, M. (1995). Stochastic hunting model involving two countries. International Journal of Systems Science, 26(12), 2355-2368.

Lefebvre, M., & Montulet, P. (1994). Risk-sensitive optimal investment policy. International Journal of Systems Science, 25(1), 183-192.

Lefebvre, M. (1991, August). On the relation between LQG problems and first-passage densities [Presentation]. In Workshop on Stochastic Estimation and Control, Mexíco, Mexique.

Lefebvre, M. (1989). Commande optimale du processus de Wiener. Journal of Applied Probability, 26(1), 50-57.

Lefebvre, M. (1989). First-Passage Densities of a Two-Dimensional Process. SIAM Journal on Applied Mathematics, 49(5), 1514-1523.

Lefebvre, M. (1989). First-passage densities of controlled Gaussian processes. Canadian Journal of Statistics, 17(3), 319-327.

Lefebvre, M. (1989). Moment generating function of a first hitting place for the integrated Ornstein-Uhlenbeck process. Stochastic Processes and Their Applications, 32(2), 281-287.

Lefebvre, M., & Whittle, P. (1988). Survival optimization for a dynamic system. Annales des sciences mathématiques du Québec, 12(1), 101-119.

Lefebvre, M. (1987). LQG homing in two dimensions. IEEE Transactions on Automatic Control, 32(7), 639-641.

Lefebvre, M. (1987). Optimal control of an Ornstein-Uhlenbeck process. Stochastic Processes and Their Applications, 24(1), 89-97.