Productions scientifiques référencée dans HAL (depuis 2000)
Liste des travaux et publications
Publications dans des revues scientifiques
Michel Benaim, Claude Lobry, Tewfik Sari, Edouard Strickler. Dispersal-induced growth or decay in a time-periodic environment. The case of reducible migration matrices. Journal of Mathematical Biology, 2025, 91 (3), pp.26. ⟨10.1007/s00285-025-02258-1⟩. ⟨hal-04523334v3⟩
Michel Benaïm, Claude Lobry, Tewfik Sari, Édouard Strickler. A note on the top Lyapunov exponent of linear cooperative systems. Annales de la Faculté des sciences de Toulouse : Mathématiques, Série 6,, 2025, 34, pp.225-241. ⟨10.5802/afst.1811⟩. ⟨hal-04237453⟩
Radhouane Fekih-Salem, Tewfik Sari. A flocculation model in the chemostat with distinct removal rates and yields. Journal of Biological Systems, 2025, ⟨10.1142/S0218339025500342⟩. ⟨hal-04327081v3⟩
Michel Benaim, Claude Lobry, Tewfik Sari, Édouard Strickler. When can a population spreading across sink habitats persist?. Journal of Mathematical Biology, 2024, 88 (19), 1-56. ⟨10.1007/s00285-023-02039-8⟩. WOS The Karl-Peter Hadeler Prize 2024
Tewfik Sari. Commensalism and syntrophy in the chemostat: a unifying graphical approach. AIMS Mathematics, 2024, 9 (7), pp.18625-18669. ⟨10.3934/math.2024907⟩. WOS
Michel Benaïm, Claude Lobry, Tewfik Sari, Édouard Strickler. Untangling the role of temporal and spatial variations in persistance of populations. Theoretical Population Biology, 2023, 154, pp.1-26. ⟨10.1016/j.tpb.2023.07.003⟩. WOS
Amina Hammoum, Tewfik Sari, Karim Yadi. The Rosenzweig-Macarthur Graphical Criterion for a Predator-Prey Model with Variable Mortality Rate. Qualitative Theory of Dynamical Systems, 2023, 22 (1), pp.36. ⟨10.1007/s12346-023-00739-6⟩. WOS
Manel Dali-Youcef, Tewfik Sari. The productivity of two serial chemostats. International Journal of Biomathematics, 2023, 16 (6), ⟨10.1142/S1793524522501133⟩. WOS
Sarra Nouaoura, Radhouane Fekih-Salem, Nahla Abdellatif, Tewfik Sari. Operating diagrams for a three-tiered microbial food web in the chemostat. Journal of Mathematical Biology, 2022, 85 (5), ⟨10.1007/s00285-022-01812-5⟩. WOS
Bilel Elbetch, Tounsia Benzekri, Daniel Massart, Tewfik Sari. The multi-patch logistic equation with asymmetric migration. Revista Integración, temas de matemáticas, 2022, 40 (1), pp.25-57. ⟨10.18273/revint.v40n1-2022002⟩.
Manel Dali-Youcef, Alain Rapaport, Tewfik Sari. Performance Study of Two Serial Interconnected Chemostats with Mortality. Bulletin of Mathematical Biology, 2022, 84 (10), ⟨10.1007/s11538-022-01068-6⟩. WOS
Tahani Mtar, Radhouane Fekih-Salem, Tewfik Sari. Mortality can produce limit cycles in density-dependent models with a predator-prey relationship. Discrete and Continuous Dynamical Systems - Series B, 2022, 27: 7445-7467, ⟨10.3934/dcdsb.2022049⟩. WOS
Tewfik Sari. Best Operating Conditions for Biogas Production in Some Simple Anaerobic Digestion Models. Processes, 2022, 10 (2), ⟨10.3390/pr10020258⟩. WOS
Mohammed Hanaki, Jérôme Harmand, Zoubida Mghazli, Alain Rapaport, Tewfik Sari, et al.. Mathematical study of a two-stage anaerobic model when the hydrolysis is the limiting step. Processes, 2021, 9, ⟨10.3390/pr9112050⟩. WOS
Sarra Nouaoura, Radhouane Fekih-Salem, Nahla Abdellatif, Tewfik Sari. Mathematical analysis of a three-tiered food-web in the chemostat. Discrete and Continuous Dynamical Systems - Series B, 2021, 26 (10), pp.5601-5625. ⟨10.3934/dcdsb.2020369⟩. WOS
Tewfik Sari, Boumediene Benyahia. The operating diagram for a two-step anaerobic digestion model.. Nonlinear Dynamics, 2021, ⟨10.1007/s11071-021-06722-7⟩. WOS
Radhouane Fekih-Salem, Yessmine Daoud, Nahla Abdellatif, Tewfik Sari. A mathematical model of anaerobic digestion with syntrophic relationship, substrate inhibition and distinct removal rates. SIAM Journal on Applied Dynamical Systems, 2021, 20 (3), pp.1621-1654. ⟨10.1137/20M1376480⟩. WOS
Sarra Nouaoura, Nahla Abdellatif, Radhouane Fekih-Salem, Tewfik Sari. Mathematical analysis of a three-tiered model of anaerobic digestion. SIAM Journal on Applied Mathematics, 2021, 81 ((3)), pp.1264-1286. ⟨10.1137/20M1353897⟩. WOS
Tahani Mtar, Radhouane Fekih-Salem, Tewfik Sari. Interspecific density-dependent model of predator–prey relationship in the chemostat. International Journal of Biomathematics, 2021, 14 (1), pp.2050086. ⟨10.1142/S1793524520500862⟩. WOS
Bilel Elbetch, Tounsia Benzekri, Daniel Massart, Tewfik Sari. The multi-Patch logistic equation. Discrete and Continuous Dynamical Systems - Series B, 2021, 26 (12), pp.6405 - 6424. ⟨10.3934/dcdsb.2021025⟩. WOS
Nabil Beroual, Tewfik Sari. A predator-prey system with Holling-type functional response. Proceedings of the American Mathematical Society, 2020, ⟨10.1090/proc/15166⟩. WOS
Bachir Bar, Tewfik Sari. The operating diagram for a model of competition in a chemostat with an external lethal inhibitor. Discrete and Continuous Dynamical Systems - Series B, 2020, 25 (6), pp.2093-2120. ⟨10.3934/dcdsb.2019203⟩. WOS
Manel Dali Youcef, Alain Rapaport, Tewfik Sari. Study of performance criteria of serial configuration of two chemostats. Mathematical Biosciences and Engineering, 2020, 17 (6), pp.6278-6309. ⟨10.3934/mbe.2020332⟩. WOS
Boumediene Benyahia, Tewfik Sari. Effect of a new variable integration on steady states of a two-step Anaerobic Digestion Model. Mathematical Biosciences and Engineering, 2020, 17 (5), pp.5504-5533. ⟨10.3934/mbe.2020296⟩. WOS
Javier Murillo, Serge Guillaume, Tewfik Sari, Pilar Bulacio. An algorithm for computing the generalized interaction index for k-maxitive fuzzy measures. Journal of Intelligent and Fuzzy Systems, 2020, 38 (4), pp.4127-4137. ⟨10.3233/JIFS-190403⟩ WOS
Nicolas Bacaër, Claude Lobry, Tewfik Sari. Sur la probabilité d'extinction d'une population dans un environnement périodique lent. Revue Africaine de Recherche en Informatique et Mathématiques Appliquées, 2020, Volume 32 - 2019 - 2021, pp.81-95. ⟨10.46298/arima.6265⟩.
Radhouane Fekih-Salem, Tewfik Sari. Operating diagram of a flocculation model in the chemostat. Revue Africaine de Recherche en Informatique et Mathématiques Appliquées, Volume 31 - 2019 - CARI 2018, pp.45-58. ⟨10.46298/arima.5593⟩.
Vazken Andréassian, Tewfik Sari. Technical Note: On the puzzling similarity of two water balance formulas - Turc-Mezentsev vs. Tixeront-Fu. Hydrology and Earth System Sciences, 2019, 23 (5), pp.2339-2350. ⟨10.5194/hess-23-2339-2019⟩. WOS
Radhouane Fekih-Salem, Tewfik Sari. Properties of the chemostat model with aggregated biomass and distinct dilution rates. SIAM Journal on Applied Dynamical Systems, 2019, 18 (1), pp.481-509. ⟨10.1137/18M1171801⟩. WOS
Bruno Tisseyre, C. Leroux, L. Pichon, V. Geraudie, Tewfik Sari. How to efine the optimal grid size to map high resolution spatial data ?. Precision Agriculture, 2018, 19 (5), pp.957-971. ⟨10.1007/s11119-018-9566-5⟩. WOS
Z. Khedim, Boumédiène Benyahia, Brahim Cherki, Tewfik Sari, Jérôme Harmand. Effect of control parameters on biogas production during the anaerobic digestion of protein-rich substrates. Applied Mathematical Modelling, 2018, 61, pp.351-376. ⟨10.1016/j.apm.2018.04.020⟩. WOS
Mohamed Dellal, Mustapha Lakrib, Tewfik Sari. The operating diagram of a model of two competitors in a chemostat with an external inhibitor, Mathematical Biosciences, 2018, 302, pp.27-45. ⟨10.1016/j.mbs.2018.05.004⟩. WOS
Nassim Ait-Mouheb, Akiça Bahri, Bechir Ben Thayer, Boumediene Benyahia, Guilhem Bourrie, Brahim Cherki, Nicolas Condom, Rémi Declercq, Adem Gunes, Marc Héran, Nurgul Kitir, Bruno Molle, Dominique Patureau, Alfieri Pollice, Alain Rapaport, Pierre Renault, Khalifa Riahi, Bruno Romagny, Tewfik Sari, Carole Sinfort, Jean-Philippe Steyer, Samer Talozi, Bulent Topcuoglu, Metin Turan, Nathalie Wéry, Ertan Yildirim, Jérôme Harmand. The reuse of reclaimed water for irrigation around the Mediterranean Rim: a step towards a more virtuous cycle?. Regional Environmental Change, 2018, 18 (3), pp.693 - 705. ⟨10.1007/s10113-018-1292-z⟩. WOS
Roger Arditi, Claude Lobry, Tewfik Sari. Asymmetric dispersal in the multi-patch logistic equation. Theoretical Population Biology, 2018, 120, pp.11 - 15. ⟨10.1016/j.tpb.2017.12.006⟩. WOS
Yessmine Daoud, Nahla Abdellatif, Tewfik Sari, Jérome Harmand. Steady state analysis of a syntrophic model: the effect of a new input substrate concentration. Mathematical Modelling of Natural Phenomena, 2018, 13 (3), pp.21. ⟨10.1051/mmnp/2018037⟩. WOS
Tewfik Sari, Matthew J. J Wade. Generalised approach to modelling a three-tiered microbial food-web. Mathematical Biosciences, 291 (2017) 21-37. ⟨10.1016/j.mbs.2017.07.005⟩. WOS
Radhouane Fekih-Salem, Claude Lobry, Tewfik Sari. A density-dependent model of competition for one resource in the chemostat. Mathematical Biosciences, 286 (2017) 104-122. ⟨10.1016/j.mbs.2017.02.007⟩. WOS
Radhouane Fekih-Salem, Alain Rapaport, Tewfik Sari. Emergence of coexistence and limit cycles in the chemostat model with flocculation for a general class of functional responses. Applied Mathematical Modelling, 40 (2016) 7656-7677. ⟨10.1016/j.apm.2016.03.028⟩. WOS
Nahla Abdellatif, Radhouane Fekih-Salem, Tewik Sari. Competition for a single ressource and coexistence of several species in the chemostat. Mathematical Biosciences and Engineering, 2016, 13 (4), pp.631-652. ⟨10.3934/mbe.2016012⟩. WOS
Tewfik Sari, Jérôme Harmand. A model of a syntrophic relationship between two microbial species in a chemostat including maintenance. Mathematical Biosciences, 275 (2016) 1-9. ⟨10.1016/j.mbs.2016.02.008⟩. WOS
Matthew J. Wade, Jérôme Harmand, Boumediene Benyahia, Théodore Bouchez, Stephane Chaillou, Bertrand Cloez, Jean-Jacques Godon, Claude Lobry, Boumédiène Moussa Boubjemaa, Alain Rapaport, Tewfik Sari, Roger Arditi. Perspectives in Mathematical Modelling for Microbial Ecology. Ecological Modelling, 2016, 321 (64-74), pp.64-74. ⟨10.1016/j.ecolmodel.2015.11.002⟩. WOS
Amel Ghouali, Tewfik Sari, Jérome Harmand. Maximizing biogas production from the anaerobic digestion. Journal of Process Control, 2015, 36, pp.79-88. ⟨10.1016/j.jprocont.2015.09.007⟩. WOS
Roger Arditi, Claude Lobry, Tewfik Sari. Is dispersal always beneficial to carrying capacity? New insights from the multi-patch logistic equation. Theoretical Population Biology, 2015, 106, pp.45-59. ⟨10.1016/j.tpb.2015.10.001⟩. WOS
Claude Lobry, Tewfik Sari. Migrations in the Rosenzweig-MacArthur model and the "atto-fox" problem. Revue Africaine de Recherche en Informatique et Mathématiques Appliquées, 2015, Volume 20 - 2015 - Special issue - Colloquium in Honor of Éric Benoît, pp.95-125. ⟨10.46298/arima.1990⟩.
Radhouane Fekih-Salem, Nahla Abdellatif, Tewfik Sari, Harmand Jérôme. Analyse mathématique d'un modèle de digestion anaérobie à trois étapes. Revue Africaine de Recherche en Informatique et Mathématiques Appliquées, 2014, Volume 17 - 2014 - pp.53-71. ⟨10.46298/arima.1967⟩
Bart Haegeman, Tewfik Sari, Rampal S. Etienne. Predicting coexistence of plants subject to a tolerance-competition trade-off. Journal of Mathematical Biology, 2014, 68 (7), pp.1815-1847. ⟨10.1007/s00285-013-0692-4⟩. WOS
Boumediene Benyahia, Tewfik Sari, Brahim Cherki, Jérôme Harmand. Anaerobic Membrane BioReactor modeling in the presence of Soluble Microbial Products (SMP) - the Anaerobic Model AM2b. Chemical Engineering Journal, 2013, 228, pp.1011-1022. ⟨10.1016/j.cej.2013.05.073⟩. WOS
Tewfik Sari. Competitive Exclusion for Chemostat Equations with Variable Yields. Acta Applicandae Mathematicae, 2012, 123 (1), p. 201 - p. 219. ⟨10.1007/s10440-012-9761-8⟩. WOS
Radhouane Fekih-Salem, Jérôme Harmand, Claude Lobry, Alain Rapaport, Tewfik Sari. Extension of the chemostat model with flocculation. Journal of Mathematical Analysis and Applications, 2013, 397 (1), pp.292-306. ⟨10.1016/j.jmaa.2012.07.055⟩. WOS
Tewfik Sari, Miled El Hajji, Jérôme Harmand. The mathematical analysis of a syntrophic relationship between two microbial species in a chemostat. Mathematical Biosciences and Engineering, 2012, 9 (3), pp.627-645. ⟨10.3934/mbe.2012.9.627⟩. WOS
Brahim Benyahia, T. Sari, B. Cherki, Jérôme Harmand. Bifurcation and stability analysis of a two step model for monitoring anaerobic digestion processes. Journal of Process Control, 2012, 22 (6), p. 1008 - p. 1019. ⟨10.1016/j.jprocont.2012.04.012⟩. WOS
Joël Rouyer, Tewfik Sari. As many antipodes as vertices on convex polyhedra. Advances in Geometry, 2012, 12 (1), pp.43 -61. ⟨10.1515/advgeom.2011.030⟩. WOS
Mamadou Lamine Diagne, Papa Ibrahima Ndiaye, Mary Teuw Niane, Tewfik Sari. Comportement asymptotique d’un modèle à commutation de la prolifération du Typha. Revue Africaine de Recherche en Informatique et Mathématiques Appliquées, 2012, Volume 15, 2012, pp.101-122. ⟨10.46298/arima.1960⟩.
Radhouane Fekih-Salem, Tewfik Sari, Nahla Abdellatif. Sur un modèle de compétition et de coexistence dans le chémostat. Revue Africaine de Recherche en Informatique et Mathématiques Appliquées, 2011, Volume 14 - 2011 pp.15-30. ⟨10.46298/arima.1953⟩.
Tewfik Sari, Frédéric Mazenc. Global dynamics of the chemostat with different removal rates and variable yields. Mathematical Biosciences and Engineering, 2011, 8 (3), pp.827-840. ⟨10.3934/mbe.2011.8.827⟩. WOS
Tewfik Sari. Comments on "Limit cycles in the chemostat with constant yields" Mathematical and Computer Modelling 45 (2007) 927-932. Mathematical and Computer Modelling, 2010, 52 (9-10), http://dx.doi.org/10.1016/j.mcm.2010.07.010. ⟨10.1016/j.mcm.2010.07.010⟩. WOS
Tewfik Sari. A Lyapunov function for the chemostat with variable yields. Comptes rendus de l'Académie des sciences. Série I, Mathématique, 2010, 348 (13-14), pp.747-751. ⟨10.1016/j.crma.2010.06.008⟩. WOS
Mustapha Lakrib, Tewfik Sari. Time averaging for ordinary differential equations and retarded functional differential equations. Electronic Journal of Differential Equations, 2010, 2010 (40), pp.1-24. WOS
Hafida Boudjellaba, Tewfik Sari. Dynamic transcritical bifurcations in a class of slow-fast predator-prey models. Journal of Differential Equations, 2009, 46 (6), pp.2205-2225. ⟨10.1016/j.jde.2009.01.001⟩. WOS
Claude Lobry, Tewfik Sari. Nonstandard analysis and representation of reality. International Journal of Control, 2008, 81 (3), pp.519-536. ⟨10.1080/00207170701601728⟩. WOS
Bernard Brighi, Augustin Fruchard, Tewfik Sari, On the Blasius problem. Adv. Differ. Equ. 13, No. 5-6, 509-600 (2008).
Scott E. Grasmann, Zaki Sari, Tewfik Sari. Newsvendor solutions with general random yield distributions, RAIRO Operations Research, 41 (2007) 455-464. ⟨10.1051/ro:2007031⟩. WOS
Tewfik Sari, Tahani Zerizer. Perturbations for linear dierence equations, Journal of Mathematical Analysis and Applications, 305 (2005), 43-52. 10.1016/j.jmaa.2004.10.012, WOS
Bernard Brighi, Tewfik Sari. Blowing-up coordinates for a similarity boundary layer equation, Discrete and Continuous Dynamical Systems, 12 (2005), 929-948. 10.3934/dcds.2005.12.929, WOS
Claude Lobry, Tewfik Sari. The peaking phenomenon and singular perturbations. Revue Africaine de Recherche en Informatique et Mathématiques Appliquées, 2008, Volume 9, pp.487-516. ⟨10.46298/arima.1910⟩.
Hidde de Jong, Jean-Luc Gouzé, Céline Hernandez, Michel Page, Tewfik Sari, et al.. Qualitative simulation of genetic regulatory networks using piecewise-linear models. Bulletin of Mathematical Biology, 2004, 66 (2), pp.301-40. WOS
Tewfik Sari, Karim Yadi. On Pontryagin-Rodigyn's theorem for convergence of solutions of slow and fast systems, Electron. J. Differential Equations (2004), No. 139, p. 1-17. WOS
Mustapha Lakrib, Tewfik Sari. Averaging results for functional dierential equations, Siberian Math. Journal, 45 (2004), No. 2, 1-10. 10.1023/B:SIMJ.0000021286.49651.c9. WOS
Jean-Luc Gouzé, Tewfik Sari. A class of piecewise linear dierential equations arising in biological models, Dynamical Systems, 17 (2002), No. 4, 299-316. 10.1080/1468936021000041681. WOS
Boris Kalitin, Tewfik Sari. B-stability and its applications to the theorems of Tikhonov and Malkin-Gorshin (en Russe), Dierentsialnye Uravneniya 37 (2001), traduction anglaise dans Di. Eqn. 37 (2001), no. 1, 12-17. 10.1023/A:1019208012627. WOS
Claude Lobry, Tewfik Sari, Séfiane Touhami. Fast and slow feedbacks in systems theory, J. Biol. Systems 7, No. 3 (1999),1-25. 10.1142/S0218339099000206. WOS
Hafida Boudjellaba, Tewfik Sari. Stability loss delay in harvesting competing species, J. Dierential Equations 152 (1999), p. 394-408. 10.1006/jdeq.1998.3533. WOS
Claude Lobry, Tewfik Sari, Séfiane Touhami. On Tykhonov's theorem for convergence of solutions of slow and fast systems, Electron. J. Differential Equations (1998), No.19, p.1-22.
Hafida Boudjellaba, Tewfik Sari. Oscillations in a Prey-predator-Superpredator system, J. Biol. Systems 6 (1998), p. 17-33. 10.1142/S0218339098000066
Tewfik Sari, Sur la théorie asymptotique des oscillations non stationnaires. Astérisque 109-110, 141-158 (1983). WOS
Robert Lutz, Tewfik Sari. Sur le comportement asymptotique des solutions dans un problème aux limites non linéaire, Comptes Rendus de l'Acad. des Sci. Paris 292 (1981), p. 925-928. WOS
Tewfik Sari. Sur le comportement asymptotique des solutions dans un problème aux limites semi linéaire , Comptes Rendus de l'Acad. des Sci. Paris 292 (1981), p. 867-870. WOS
Tewfik Sari. Sur les variétés de contact localement affines, Comptes Rendus de l'Acad. des Sci. Paris 292 (1981), p. 809-812. WOS
Autres publications dans des revues non indexées dans le Web of Sciences
Vincent Ranwez, Nina Lachia, Tewfik Sari. Enseignement et recherche - Au cœur de #DigitAg, l'Institut Convergences Agriculture Numérique, une Graduate School innovante. Sciences Eaux & Territoires, 2019, 29, pp.1-4. ⟨10.14758/SET-REVUE.2019.3.13⟩.
Sihem Kouloughli, Zaki Sari, Tewfik Sari. Optimisation des dimensions d'un AS/RS multi-allée basée sur un modèle analytique du temps de simple cycle, Journal européen des systèmes automatisés, 44/2 (2010),135-159. ⟨10.3166/jesa.44.135-159⟩
T. Hangan, C. Murea, T. Sari. Poleni curves on surfaces of constant curvature, Rend. Sem. Mat. Univ. Pol. Torino 67 (2009) 59-76. zbMATH
Gregory Batt, Hodde de Jong, Johannes Geiselmann, Jean-Luc Gouzé, Michel Page, Delphine Ropers, Tewfik Sari, Dominique Schneider. Analyse qualitative de la dynamique de régulation génétique par des modèles linéaires par morceaux, in Modélisation et simulation pour la post-génomique, Revue des sciences et Technologies de l'information, Technique et science informatiques, vol. 26, no. 1-2 (2007) 11-45.
Tewfik Sari. Sur les variétés de Darboux, Annalele Universitatii Bucuresti, Matematica-Informatica, anul L, 2001, NO. 2 (2002), p. 187-199.
Mustapha Lakrib, Tewfik Sari. Rentrée dans l'atmosphère d'un véhicule spatial: le roulis résonant. Ann. Math. Univ. Sidi Bel Abbes 6 (1999), 195-205
Mohamed Bekkar, Tewfik Sari. Surfaces minimales réglées dans l'espace de Heisemberg H3, Rend. Sem. Mat. Univ. Pol. Torino 50, no. 3 (1992), p. 243-254.
Tewfik Sari. Systèmes hamiltoniens à parmètres lentement variables, Cahiers Math. 3 (1987), p. 113-131.
Tewfik Sari. Sur les variétés de Darboux, Cahiers Math. 2 (1986), p. 62-74.
Tewfik Sari. Sur les solutions fantômes associées à certaines équations différentielles , Cahiers Math. 2 (1986), p.49-61.
Manel Dali-Youcef, Jerome Harmand, Alain Rapaport, Tewfik Sari. Some non-intuitive properties of serial chemostats with and without mortality. 10th Vienna International Conference on Mathematical Modelling (Mathmod), Jul 2022, Vienna, Austria, IFAC-PapersOnLine Volume 55, Issue 20, 2022, Pages 475-480
⟨10.1016/j.ifacol.2022.09.140⟩. WOS
Sihem Kouloughli, Zaki Sari, Tewfik Sari. Optimization of two dimensions of a multi-aisle AS/RS with fixed third dimension, 4th International Conference on Industrial Engineering and Systems Management (IESM) - Innovative Approaches and Technologies for Networked Manufacturing Enterprises Management , p. 248-258, Metz, 2021. WOS
Tewfik Sari. Averaging for ordinary differential equation and functional differential equations. in The Strenght of Nonstandard Analysis. I. van den Berg, V. Neves (editors). Springer-Verlag, Wien, 2007, pages 286--305. 10.1007/978-3-211-49905-4_20, WOS
H. de Jong, J.L. Gouzé, H. Hernandez, M. Page, T. Sari, J. Gieselman. Hybrid modeling and simulation of genetic regulatory networks : a qualitative approach. O. Maled et al. (eds.), Hybrid systems : Computation and control. 6th international workshop, HSCC 2003, Prague, Czech Republic, april 3-5, 2003. Proceedings. Berlin : Springer Lect. Notes Comput. Sci. 2623 (2003), 267-282. WOS
Robert Lutz, Tewfik Sari. Applications of nonstandard analysis to boundary value problems in singular perturbation theory. Theory and applications of singular perturbations (Oberwolfach, 1981), p. 113-135, Lecture Notes in Math.. 942, Springer, Berlin, 1982. WOS
Autres publications dans des proceedings non indexés dans le Web of Sciences
Tahani Mtar, Radhouane Fekih-Salem, Tewfik Sari. Effect of the mortality on a density-dependent model with a predator-prey relationship. CARI 2020 - 15th African Conference on Research in Computer Science and Applied Mathematics, Oct 2020, Thiès, Senegal.
Tewfik Sari. Modélisation mathématique de la compétition des espèces microbiennes dans le chemostat. Onzième Rencontre d’Analyse Mathématique et Applications RAMA11, Nov 2019, Sidi Bel Abbes, Algérie.
Tewfik Sari. Croissance et compétition des espèces microbiennes dans un chemostat. 9ème édition du colloque Tendances dans les Applications Mathématiques en Tunisie Algérie et Maroc, TAMTAM 09, Feb 2019, Tlemcen, Algérie.
Sarra Nouaoura, Nahla Abdellatif, Radhouane Fekih-Salem, Tewfik Sari. Mathematical analysis of a three-tiered microbial food-web model with new input substrates. 9 ème édition du colloque Tendances dans les Applications Mathématiques en Tunisie Algérie et Maroc, Feb 2019, Tlemcen, Algeria.
Radhouane Fekih-Salem, Tewfik Sari. Operating diagram of a flocculation model in the chemostat. CARI'2018, Proceedings of the 14th African Conference on Research in Computer Science and Applied Mathematics, Oct 2018, Stellenbosch, South Africa.
Yessmine Daoud, N T Abdellatif, T Sari, Jérôme Harmand. The effect of a new input concentration substrate on a syntrophic relationship of two species in a chemostat. TAMTAM2017 - Tendances des Applications Mathématiques en Tunisie, Algérie, Maroc, May 2017, Hammamet, Tunisia. pp.69-74
Fabrice Béline, Olivier Bernard, P. Lessard, Cyril Marcilhac, Tewfik Sari, et al.. Dynamic bio-kinetic modelling of microalgae/bacteria cultivation and interaction. 1. IWA Conference on Algal Technologies for Wastewater Treatment and Resource Recovery, International Water Association (IWA). INT., Mar 2017, Delft, Netherlands.
Y Daoud, Tewfik Sari, Nahla Abdellatif, Jérôme Harmand. STEADY-STATE ANALYSIS OF A SYNTROPHIC ASSOCIATION OF TWO SPECIES IN A CHEMOSTAT: THE EFFECT OF A NEW INPUT CONCENTRATION SUBSTRATE. ICCDS, Oct 2016, Agadir, Morocco.
Radhouane Fekih-Salem, Tewfik Sari. Sur la stabilité globale de l'équilibre de coexistence d'un modèle densité-dépendant de compétition pour une ressource. 12th African Conference on Research in Computer Science and Applied Mathematics (2014-10-16, 2014-10-23: Saint-Louis, Sénégal), Oct 2014, Saint-Louis, Sénégal. pp.19-30.
B. de Saedeleer, Tewfik Sari. Dimension reduction of some paleoclimate models like Saltzman and Maasch 1990. Apr 2013, Vienne, Austria.
Radhouane Fekih-Salem, Nahla Abdellatif, Tewfik Sari, Jérôme Harmand. Qualitative properties of 3-step model of anaerobic digestion including hydrolysis of particulate matter. International Joint Conference CB-WR-MED Conference/ 2nd AOP' Tunisia Conference for Sustainable Water Management. Tunis, 2013, Tunis, Tunisia. pp.93--94.
Amel A. Ghouali, Tewfik Sari, Claude C. Lobry, A. A. Moussaoui, Jérôme J. Harmand. Analyse et contrôle optimal d'un bioréacteur de dépollution des eaux usées. 11. African Conference on Research in Computer Science and Applied Mathematics. CARI'12, Oct 2012, Alger, Algérie. 8 p.
Boumediene Benyahia, Brahim Cherki, Jérôme Harmand, Tewfik Sari. Quelques résultats sur l’observation du modèle AM2b. 11. African Conference on Research in Computer Science and Applied Mathematics. CARI'12, Oct 2012, Algiers, Algérie.
Radhouane Fekih-Salem, Nahla Abdellatif, Tewfik Sari, Jérôme Harmand. Analyse mathématique d'un modèle de digestion anaérobie à trois étapes. 11. African Conference on Research in Computer Science and Applied Mathematics. CARI'12, Oct 2012, Alger, Algérie. pp.7.
M.L. Diagne, Tewfik Sari. Moyennisation du modèle dynamique de la prolifération du Typha. 11. African Conference on Research in Computer Science and Applied Mathematics. CARI'12, Oct 2012, Alger, Algérie.
Boumediene Benyahia, Tewfik Sari, Jérôme Harmand, Brahim Cherki. Modeling of the Soluble Microbial Products (SMP) in Anaerobic Membrane BioReactors (AMBR) : Equilibria and stability of the AM2b model ?. 18th IFAC World Congress, International Federation of Automatic Control (IFAC). Laxenburg, AUT., Aug 2011, Milan, Italy. pp.3789-3794, ⟨10.3182/20110828-6-IT-1002.01195⟩.
Radhouane Fekih-Salem, Tewfik Sari, Alain Rapaport. La floculation et la coexistence dans le chemostat. 5ème Colloque sur les Tendances dans les Applications Mathématiques en Tunisie, Algérie, Maroc (TAMTAM), Apr 2011, Sousse, Tunisie.
Tewfik Sari, Nahla Abdellatif, Boumediene Benyahia, Mamadou Lamine Diagne, Miled El Hajji, et al.. Modélisation mathématique en biologie : compétition, coexistence et croissance. 5ème Colloque sur les Tendances dans les Applications Mathématiques en Tunisie, Algérie, Maroc, 2011, Sousse, Tunisie. pp.19-25.
Miled M. El Hajji, Tewfik Sari, Jerome J. Harmand. Analyse d'une relation syntrophique : cas d'un chemostat. 5. Colloque sur les Tendances dans les Applications Mathématiques en Tunisie, Algérie, Maroc, Apr 2011, Sousse, Tunisie. pp.451-456.
Boumediene Benyahia, Tewfik Sari, Brahim Cherki, Jérôme Harmand. Modélisation mathématique d'un bioréacteur membranaire anaérobie. 5ème Colloque sur les Tendances dans les Applications Mathématiques en Tunisie, Algérie, Maroc, 2011, Sousse, Tunisie. pp.465-470.
Radhouane Fekih-Salem, Nahla Abdellatif, Tewfik Sari, Jerome J. Harmand. Sur un modèle de digestion anaréobie avec dégradation enzymatique du substart sous forme solide. 5. Colloque sur les Tendances dans les Applications Mathématiques en Tunisie, Algérie, Maroc, Apr 2011, Sousse, France. pp.457-463.
Boumédiène Benyahia, Tewfik Sari, Brahim Cherki, Jérôme Harmand. Sur le modèle AM2 de digestion anaérobie. CARI 2010, Oct 2010, Yamoussoukro, Côte d’Ivoire. 8 p.
Mamadou Lamine Diagne, Papa Ibrahima N'Diaye, Tewfik Sari, Mary Teuw Niane. Un modèle mathématique de la prolifération du Typha. CARI 2010, Oct 2010, Yamoussoukro, Côte d’Ivoire. pp.277-284.
Radhouane Fekih-Salem, Tewfik Sari, Nahla Abdellatif. Sur un modèle de compétition et de coexistence dans le chemostat. CARI 2010, Oct 2010, Yamoussoukro, Côte d’Ivoire.
Boumédiène Benyahia, Tewfik Sari, Brahim Cherki, Jérôme Harmand. Equilibria of an anaerobic wastewater treatment process and their stability. 11th International Symposium on Computer Applications in Biotechnology (CAB 2010), Jul 2010, Leuven, Belgium. pp.371-376, ⟨10.3182/20100707-3-BE-2012.0049⟩.
Ahlem Saddoud, Tewfik Sari, Alain Rapaport, Robert Lortie, Jérôme Harmand, et al.. A mathematical study of an enzymatic reaction in non homogeneous reactors with substrate and product inhibition: application to cellobiose hydrolysis in a bioreactor with a dead-zone. 11th International Symposium on Computer Applications in Biotechnology (CAB 2010), Jul 2010, Leuven, Belgium. pp.209-214, ⟨10.3182/20100707-3-BE-2012.0043⟩.
Claude Lobry, Alain Rapaport, Tewfik Sari. Stability loss delay in the chemostat with a slowly varying washout rate. MATHMOD 2009: 6th Vienna International Conference on Mathematical Modelling, Feb 2009, Vienna, Austria. pp.1582-1586.
Claude Lobry, Tewfik Sari. La modélisation de la persistance en écologie. Colloque à la mémoire d'Emmanuel Isambert, Université de Paris 7, Dec 2007, Paris, France. pp.163 - 184. ⟨hal-00824769⟩
Augustin Fruchard, Bernard Brighi, Tewfik Sari. The Blasius equation. 2010. Colloque à la mémoire d'Emmanuel Isambert, Université de Paris 7, Dec 2007, Paris, France. ⟨hal-00493860⟩
S.Kouloughli, Z. Sari, T. Sari. Validation de modèles de simple et double cycle et évaluation de performances d'un AS/RS multi - allées, 8ème Congrès International de Génie Industriel (CIGI'09), 10-12 Juin 2009, Tarbes, France (2009), 6 pages.
S.Kouloughli, Z. Sari, T. Sari. Optimisation des dimensions d'un AS/RS multi allées pour la minimisation du temps de simple cycle, 7e Conférence Internationale de MOdélisation et SIMulation (MOSIM'08), 31 mars - 2 avril 2008 - Paris- France, (2008) 327-332.
L. Ghomri, Z. Sari, A. Guezzen, T. Sari. Expression analytique du temps de cycle pour un système AS/RS multi-allée, 7e Conférence Internationale de MOdélisation et SIMulation (MOSIM'08), 31 mars - 2 avril 2008 - Paris- France, (2008) 333-340.
V. Trenkel, M.J. Rochet, T. Sari (2004). A new class of predator prey models with interactions described by thresholds . ICES CM DOCUMENTS 2004. The Sustainable Use of Living Marine Resources, FF "Modelling Marine Ecosystems and their Exploitation". ICES CM 2004/FF:04. 5 pp
H. de Jong, J.L. Gouzé, H. Hernandez, M. Page, T. Sari, J. Gieselman. Hybrid modeling and simulation of genetic regulatory networks : a qualitative approach. O. Maled et al. (eds.), Hybrid systems : Computation and control. 6th international workshop, HSCC 2003, Prague, Czech Republic, april 3-5, 2003. Proceedings. Berlin : Springer Lect. Notes Comput. Sci. 2623 (2003), 267-282.
H. de Jong, J.L. Gouzé, C. Hernandez, T. Sari, M. Page, J. Geiselmann. Dealing with discontinuities in the qualitative simulation of genetic regulatory networks, Proceedings of the 15th European Conference on articial Intelligence, ECAI 2002, Lyon, France, July 21-26, 2002, Ed. F. van Harmelen, IOS Press, Amsterdam, 2002, p. 412-416.
H. de Jong, J.L. Gouzé, C. Hernandez, T. Sari, M. Page, J. Geiselmann. Dealing with discontinuities in the qualitative simulation of genetic regulatory networks, Working Notes of the 16th International Workhop on Qualitative Reasoning, QR 2002, Sitges, Barcelona, Spain, June 10-12, 2002, Ed. N. Agell and J. A. Ortega, 2002, p. 67-74.
L. Ghomri, Z. Sari, A. Guezzen, T. Sari. Continuous Models for Single and Dual Cycle Times of a Multi Aisle Automated Storage and Retrieval System, Proceedings of the 13th IFAC Symposium on Information Control Problems in Manufacturing (INCOM'09), Moscow, Russia, June 3-5 2009, (2009) 1061-1066.
T. Sari, Averaging in Hamiltonian systems with slowly varying parameters, in Developments in Mathematical and Experimental Physics, Vol. C, Hydrodynamics and Dynamical Systems, A. Macias, F. Uribe and E. Diaz (Edtors), Kluwer Academic/Plenum Publishers, 2003, p. 143-157.
Tewfik Sari Stroboscopy and averaging, Colloque Trajectorien à la mémoire de Georges Reeb et Jean-Louis Callot (Strasbourg-Obernai 1995), p. 95-124, Publication IRMA,1995/13, Univ. Strasbourg, 1995.
Tewfik Sari, Petite histoire de la stroboscopie, Colloque Trajectorien à la mémoire de Georges Reeb et Jean-Louis Callot (Strasbourg-Obernai 1995), p. 5-15, Publication IRMA, 1995/13, Univ. Strasbourg, 1995.
Tewfik Sari, Sur les variétés de contact affines plates, Séminaire Gaston Darboux de Géométrie et de Topologie Différentielle, 1991-1992 (Montpellier), p. 125-158, Univ. Montpellier, 1993.
Nouredine Mehidi, Tewfik Sari, Limit cycles of a predator prey model, Proceedings of the 1 fist ECMBM-Pau, 1-5 June 1992.
Jean-Louis Callot, Tewfik Sari. Stroboscopie infinitésimale et moyennisation dans les systèmes d'équations différentielles à solutions rapidement oscillantes , Mathematical tools for control, systems analysis and signal processing, Vol. 3 (Toulouse/Paris, 1981/1982), p. 345-356, Travaux Rech. Coop. Programme 567, CNRS, Paris, 1983.
Editions de Proceedings
Augustin Fruchard, Veronique Gautheron, Tewfik Sari. Philosophie, méthodologie et applications de l'analyse non standard. Colloque à la mémoire de E. Isambert, Dec 2007, NA, France. Universite Paris 13, 2012, Publications de l'Université de Paris 13. ⟨hal-01190319v2⟩
Mary Teuw Niane, Gauthier Sallet, Tewik Sari, Hamidou Touré. Avant Propos. Revue Africaine de la Recherche en Informatique et Mathématiques Appliquées, INRIA, 2008, Volume 9, 2007 Conference in Honor of Claude Lobry, 2008.
Claude Lobry, Tewfik Sari, Karim Yadi. Coexistence of three predators competing for a single biotic resource. Jean Lévine and Philippe Müllhaupt. Advances in the Theory of Control, Signals and Systems with Physical Modeling - Part III, Springer, pp.309-321, 2011, Lecture Notes in Control and Information Sciences - 407, 978-3-642-16134-6. ⟨10.1007/978-3-642-16135-3_25⟩. WOS
Tewfik Sari.Introduction aux systèmes dynamiques et applications à un modèle cosmologique, in Géométries et dynamiques (Les cours du CIMPA, Centre International de Mathématiques Pures et Appliquées, El-Oued, Algérie.), K. Sadallah et A. Zeghib (éditeurs), , Hermann, Travaux en Cours 70 (2008) 259-274.
Gregory Batt, Richard Casey, Hidde de Jong, Johannes Geiselmann, Jean-Luc Gouzé, Michel Page, Delphine Ropers, Tewfik Sari, Dominique Schneider. Qualitative analysis of the dynamics of genetic regulatory network using piecewise-linear models, in Mathematical and Computational Methods in Biology, Travaux en Cours no. 65, Hermann Paris (2006) 206-239.
Claude Lobry, Tewfik Sari. Introduction à la théorie du contrôle, in Contrôle non linéaire et Applications, Travaux en Cours no. 64, Hermann, Paris (2005), 1-18.
Claude Lobry, Tewfik Sari. Singular Perturbation Methods in Control Theory, in Contrôle non linéaire et Applications, Travaux en Cours no. 64, Hermann, Paris (2005), 155-182.
Claude Lobry, Tewfik Sari. Equations différentielles à second membre discontinu, in Contrôle non linéaire et Applications, Travaux en Cours no. 64, Hermann, Paris (2005), 255-289.
Jean-Luc Gouzé, Tewfik Sari. Classification of Models, in Mathematical Models, J. A. Filar (ed.), in Encyclopedia of Life Support Systems (EOLSS), UNESCO, Eolss Publishers, Oxford, UK (2004).
Jean-Luc Gouzé, Tewfik Sari. Basic Methods of the Development and analysis of Mathematical Modelss, in Mathematical Models, J. A. Filar (ed.), in Encyclopedia of Life Support Systems (EOLSS), UNESCO, Eolss Publishers,, Oxford, UK (2004).
Tewfik Sari. General Topology, in Nonstandard analysis in Practice, F. and M. Diener (editors), p. 109-144, Universitext, Springer, Berlin, 1995.
Tewfik Sari. Perturbations d'objets algébriques; décompositions de Goze, Ecole d'Eté: analyse non standard et représentation du réel, Oran, 1984, p. 165-170, Editions CNRS/OPU, Algiers, 1985.
Tewfik Sari. Fonctions presque-périodiques, Ecole d'Eté: analyse non standard et représentation du réel, Oran, 1984, p. 131-141, Editions CNRS/OPU, Algiers, 1985.
Tewfik Sari. Loupes et macroscope, Ecole d'Eté: analyse non standard et représentation du réel, Oran, 1984, p. 75-81, Editions CNRS/OPU, Algiers, 1985.
Reports, working papers
Tewfik Sari, Sur les variétés de contact affines plates, Publication Mathématique no. 334, Laboratoire Jean-Alexandre Dieudonné, Université de Nice (1993), 34 pages
Tewfik Sari, The Fehrele principle in IST, Publication mathématique no. 60-02, Université de Sidi Bel Abbes (1990), 6 pages.
Tewfik Sari, External charaterization of topologies, Memorandum 287, Econometric Institute, University of Groningen (1988), 20 pages.
Tewfik Sari., Stroboscopy and Long Time Behaviour in Dynamical Systems, Memorandum 286, Econometric Institute, University of Groningen (1988), 16 pages.
Tewfik Sari, Stroboscopy and Averaging, Memorandum 285, Econometric Institute, University of Groningen (1988), 32 pages.
Theodor Hangan, Tewfik Sari, Structures de contact et métriques riemanniennes, Publication IRMA, 155/P-87, Strasbourg (1982), 24 pages.
Disserations
Moyennisation dans les systèmes différentiels à solutions rapidement oscillantes,Thèse de Doctorat es Sciences, Publication Mathématique de l'université de Mulhouse (1983), 116 pages.
Variétés de contact localement affines, PhD thesis, Publication IRMA, 71/T3-17, Université de Strasbourg (1979), 68 pages.
The theory of G-structures, MSc thesis, Université d'Oran (1976), 51 pages.
Les théorèmes fondamentaux de l'analyse et rudiments d'algèbre (Mulhouse, 2007), Cours de L1 Math-Info. 28 pages
Espaces métriques, espaces vectoriels normés (Mulhouse, 2007), Cours de L2 Math. 28 pages
Intégrales impropres et Séries (Mulhouse, 2007), Cours de L2 Math. 28 pages
Analyse de Fourier et introduction aux probabilités (Mulhouse, 2007), Cours de L3 Chimie Physique. 40 pages