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Professeur

• UMR Mistea, Bâtiment 21, 2 place Pierre Viala, 34060 Montpellier Cedex 2, France
• Département Sciences pour les AgroBioProcédés (SABP)
• christophe.abraham@supagro.fr / +33 (0)4 99 61 26 51

Responsabilités administratives et scientifiques

• Membre du conseil d'administration de Montpellier SupAgro
• Membre (suppléant) du conseil des enseignants de Montpellier SupAgro

Recherche :

• Robustesse en théorie de la décision bayésienne
• Données circulaires
• Statistique sur données fonctionnelles

Enseignement :

• Statistique inférentielle de base
• Modèle linéaire
• Modèles bayésiens (paramétriques et nonparamétriques)
• Discrimination

Publications :

• Grollemund, P.M., Abraham, C., Baragatti, M., Pudlo, P. (2019) Bayesian Functional Linear Regression with Sparse Step  Functions. Bayesian Analysis, 14(1), 111-135.
• Abraham, C., Servien, R. et Molinari, N. (2018) A Clustering Bayesian Approach for Multivariate Non-Ordered Circular Data. Statistical Modelling.
• Abraham, C. and Khadraoui, K. (2015) Bayesien regression with B-splines under combinations of shape constraints  and smoothness properties. Statistica Neerlandica, 69(2), 150-170.
• Juery, D., Abraham, C. and Fontez, B. (2014) Classification bayésienne non supervisée de données fonctionnelles Journal de la Société Française de Statistique, 155(2), 185-201.
• Abraham, C., Molinari, N. et Servien, R.  (2013) Unsupervised clustering of multivariate circular data, Statistics in Medicine, 32(8), 1376-1382
• Abraham, C. (2012) Bayesian regression under combinations of constraints, Journal of Statistical Planning and Inference, 142, 2672-2687
• Brun, M, Abraham, C., Jarry, M., Dumas, J., Lange, F., Prévost, E. (2011) Estimating an homogeneous series of a population abundance indicator despite changes indata collection procedure: A hierarchical Bayesian modelling approach,  Ecological Modelling, 222, 5, 1069-1079
• S. Jeanson, N. Hilgert, M. Coquillard, C. Seukpanya, M. Faiveley, P. Neuveu, C. Abraham, V. Georgescu, P. Fourcassié et E.  Beuvier (2009)  Milk acidification by Lactococcus lactis is improved by decreasing the level of dissolved oxygen rather than decreasing redox potential in the potential in the milk prior to inoculation, International Journal of Food Microbiology, 131, 1, 75-81
• Abraham, C. (2009), "A computation method in robust Bayesian decision theory", International Journal of Approximate Reasoning, 50, 289-302
• Abraham, C., et Cadre, B. (2008), "Concentration of posterior distributions with misspecified models", Pub. Inst. Stat. Univ. Paris, LII, fasc 3, 3-14
• Abraham, C., Biau, G. et Cadre, B. (2006), "On the kernel rule for function classification", Annals of the Institute of Statistical Mathematics, 58, 619-633.
• Abraham, C. (2005), "Asymptotics in Bayesian decision theory with application to global robustness", J. Multivariate Anal., 95, 50-65.
• Abraham, C. et Daurès, J.P. (2004), "Robust Bayesian decision theory applied to optimal dosage", Statistics in Medicine, 23, 1055-1073.
• Abraham, C. et Cadre, B. (2004), "Asymptotic global robustness in bayesian decision theory", The Annals of Statistics, 32, 1341-1366.
• Abraham, C., Biau, G. et Cadre, B. (2004), "On Lyapunov exponent and sensitivity", Journal of Mathematical Analysis and Applications, 290, 395-404.
• Abraham, C., Biau, G. et Cadre, B. (2004), "On the asymptotic of a simple estimate of the mode", ESAIM: Probability and Statistics, 8, 1-11.
• Abraham, C., Cornillon, P.A., Matzner-Lober, E. et Molinari, N. (2003), "Unsupervised Curve Clustering using B-Splines", Scandinavian J. Statist., Ser. I 30, 581-595.
• Abraham, C., Biau, G. et Cadre, B. (2003), "Simple estimation of the mode of a multivariate density", The Canadian Journal of Statistics, Ser. I 31, 23-34.
• Abraham C. et Cadre, B. (2002), "Asymptotic properties of posterior distribution derived from misspecified models", C. R. Acad. Sci. Paris, Ser. I 335, 495-498.
• Abraham, C., Biau, G. et Cadre, B. (2002), "Chaotic properties of mappings defined on a probability space", Journal of Mathematical Analysis and Applications, 266, 420-431.
• Abraham, C. (2001), "Asymptotic Limit of the Bayes Actions Set Derived from a Class of Loss Functions", Journal of Multivariate Analysis, 79, 251-274.
• Abraham, C. et Daurès, J.P. (2000), "Global robustness with respect to the loss function and the prior", Theory and Decision, 48, 359-381.
• Abraham, C. et Daurès, J.P. (1999), "Analytic approximation of the interval of Bayes actions derived from a class of loss functions", TEST, 8, 129-146. 
• Abraham, C., Daures, J.-P., Momas, I. (1997), "Utilisation de la proportion de cas attribuable : intérêts, limites et application à une étude sur le cancer de la vessie dans l'Hérault", Revue de Statistique Appliquée, XLV (2), 5-20.