Maître de Conférences HDR
Université d'Evry Val d'Essonne
Laboratoire de Mathématiques et Modélisation d'Évry (LaMME, UMR 8071)
Département de Mathématiques
Email : Alexandre.Vidal[at]univ-evry.fr
Les documents de présentation de la Licence de Mathématiques 2020-24 de l'UEVE sont disponibles dans la dernière section ci-dessous.
Cliquer sur les titres des sections pour montrer/cacher leur contenu.
Analyse qualitative des systèmes dynamiques, Dynamiques à plusieurs échelles de temps:
Dynamiques non-linéaire, Bifurcations, Perturbations singulières, Désingularisation, Méthodes Numériques,
Analyse dynamique des oscillations complexes, Mixed-Mode Oscillations, Bursting,
Analyse de synchronisation d'oscillateurs couplés, Réseau d'oscillateurs.
Modélisation, analyse et réduction de modèles en Sciences du Vivant :
Neurosciences, Neuro-endocrinologie, Dynamiques de Populations.
Analyse des signaux expérimentaux à l'appui de modèles.
Analyse des mécanismes biologiques induisant des dynamiques complexes.
Identification et estimation des paramètres des modèles.
A. Bandera, S. Fernandez-Garcia, M. Gomez-Marmol, A. Vidal.
Machine learning techniques to identify synchronization patterns in multiple timescale dynamical systems networks.
Physica D: Nonlinear Phenomena, 487, 135082, 2025. https://doi.org/10.1016/j.physd.2025.135082
O.B.K. Ali, A. Vidal, C. Grova, and H. Benali.
Dialogue mechanisms between astrocytic and neuronal networks: a whole-brain modeling approach.
PLoS Comput Biol 21(1): e1012683, 2025. https://doi.org/10.1371/journal.pcbi.1012683
A. Bandera, S. Fernandez-Garcia, M. Gomez-Marmol, A. Vidal.
Automatic Proper Orthogonal Block Decomposition method for network dynamical systems with multiple timescales.
Communications in Nonlinear Science and Numerical Simulation 131: 107844, 2024. https://doi.org/10.1016/j.cnsns.2024.107844
A. Bandera, S. Fernandez-Garcia, M. Gomez-Marmol, A. Vidal.
A Multiple Timescale Network Model of Intracellular Calcium Concentrations in Coupled Neurons: Insights from ROM Simulations.
Math. Model. Nat. Phenom. 17(11), 2022. https://doi.org/10.1051/mmnp/2022016
O.B.K. Ali, A. Vidal, C. Grova, and H. Benali.
Glial glutamate regulation, critical determinant of whole brain physiology: a computational study.
Proc. Annual Meeting of OHBM (Organization for Human Brain Mapping), 2020. Preprint
S. Fernandez-Garcia, and A. Vidal.
Symmetric coupling of multiple timescale systems with Mixed-Mode Oscillations and synchronization.
Physica D: Nonlinear Phenomena, 401, 132129, 2020. https://doi.org/10.1016/j.physd.2019.05.009
E. Koksal, A. Vidal, and F. Clément.
Coupled multiple timescale dynamics in populations of endocrine neurons: Pulsatile and surge patterns of GnRH secretion.
SIAM Journal of Applied Dynamical Systems, 17(1):1052–1090, 2018. https://doi.org/10.1137/16M1103695
J. Rubin, J. Signerska-Rynkowska, J. Touboul, and A. Vidal.
Wild oscillations in a nonlinear neuron model with resets: (I) Bursting, spike adding and chaos.
Discrete and Continuous Dynamical Systems Series B, 22(10), 2017. https://dx.doi.org/10.3934/dcdsb.2017204
J. Rubin, J. Signerska-Rynkowska, J. Touboul, and A. Vidal.
Wild oscillations in a nonlinear neuron model with resets: (II) Mixed-Mode Oscillations.
Discrete and Continuous Dynamical Systems Series B, 22(10), 2017. https://dx.doi.org/10.3934/dcdsb.2017205
A. Garnier, A. Vidal, and H. Benali.
A theoretical study on the role of astrocytic activity in neuronal hyperexcitability by a novel neuron-glia mass model.
Journal of Mathematical Neuroscience, 6(10), 2016. http://dx.doi.org/10.1186/s13408-016-0042-0
A. Garnier, A. Vidal, C. Huneau, and H. Benali.
A neural mass model with direct and indirect excitatory feedback loops: identification of bifurcations and temporal dynamics.
Neural Computation, 27:329–364, 2015. http://dx.doi.org/10.1162/NECO_a_00696
P.A. Fletcher, F. Clément, A. Vidal, J. Tabak, and R. Bertram.
Interpreting frequency responses to dose-conserved pulsatile input signals in simple cell signaling motifs.
PloS one, 9(4):e95613, 2014. http://dx.doi.org/10.1371/journal.pone.0095613
A. Garnier, C. Huneau, A. Vidal, F. Wendling, and H. Benali.
Identification of dynamical behaviors in epileptic discharges using a neural mass model with double excitatory feedbacks.
Proceedings of ICCSA 2014, Normandie University, Le Havre, France, pages 205–210, 2014. http://www.hal.inserm.fr/inserm-01154781/document
M. Krupa, A. Vidal, and F. Clément.
A network model of the periodic synchronization process in the dynamics of calcium concentration in GnRH neurons.
Journal of Mathematical Neuroscience, 3(4), 2013. http://dx.doi.org/10.1186/2190-8567-3-4
M. Krupa, A. Vidal, M. Desroches, and F. Clément.
Mixed-mode oscillations in a multiple time scale phantom bursting system.
SIAM Journal on Applied Dynamical Systems, 11:1458–1498, 2012. http://dx.doi.org/10.1137/110860136
A. Vidal, Q. Zhang, C. Médigue, St. Fabre, and F. Clément.
Dynpeak: An algorithm for pulse detection and frequency analysis in hormonal time series.
PloS one, 7(7):e39001, 2012. http://dx.doi.org/10.1371/journal.pone.0039001
A. Vidal and J.-P. Françoise.
Canard cycles in global dynamics.
International Journal of Bifurcation and Chaos, 22(02):1250026, 2012. http://dx.doi.org/10.1142/S0218127412500265
F. Clément and A. Vidal.
Foliation-based parameter tuning in a model of the GnRH pulse and surge generator.
SIAM Journal on Applied Dynamical Systems, 8(4):1591–1631, 2009. http://dx.doi.org/10.1137/080732237
A. Vidal, C. Médigue, B. Malpaux, and F. Clément.
Endogenous circannual rhythm in LH secretion: insight from signal analysis coupled with mathematical modelling.
Philosophical Transactions of the Royal Society A, 367:4759–4777, 2009. http://dx.doi.org/10.1098/rsta.2009.0136
J.-P. Françoise, C. Piquet, and A. Vidal.
Enhanced delay to bifurcation.
Bulletin of the Belgian Mathematical Society Simon Stevin, 15:825–831, 2008. http://projecteuclid.org/euclid.bbms/1228486410
A. Vidal.
Stable periodic orbits associated with bursting oscillations in population dynamics.
Lecture Notes in Control and Information Sciences, 341:439–446, 2006. https://link.springer.com/book/9783540347712