René Alt

 

Professeur

Université Pierre et Marie Curie (UPMC)
Laboratoire d'Informatique de Paris 6 (LIP6)
Département de Calcul Scientifique

Adresse postale

4, place Jussieu
F-75252 PARIS CEDEX 05

Adresse physique
Bureau 703, 7ème étage
104 Avenue du President Kennedy
F-75016 PARIS



Téléphone :
+33 1 44 27 31 63
Fax :
+33 1 44 27 74 95
Mél : Rene.Alt@lip6.fr

  • Formation
    • Doctorat d'état en sciences, 1981, Université Pierre et Marie Curie,

o        Fonctions administratives

    • Directeur de l’UFR d’informatique jusqu’en septembre 2001
    • Ancien vice président du conseil d’administration de l’Université Pierre et Marie Curie
    • Ancien responsable du directoire des affaires générales et des moyens à l’UPMC

o        Activités de Recherche

    • Validation des résultats des logiciels numériques
    • Calcul parallele.
    • Synthèse d'images
    • Imagerie Médicale

o        Organisation de session en congrès

o        Uncertain/Control Systems and Reliable Numerics, 6th Conference on Numerical methods and application, Borovets, Bulgarie, 20-24 august 2006, avec S. Markov

o        Publications récentes

    • R. Alt, J. Vignes, Stochastic arithmetic as a model of granular computing, Handbook of granular computing, ouvrage collectif, W. Pedrycz, V Kreinovitch Eds., J. Wiley , 2008.
    • R. Alt, J.-L. Lamotte, S. Markov, Testing stochastic arithmetic and CESTAC method via Lagrange interpolation, Proc. IFSA2007, Foundations of Fuzzy Logic and Soft Computing, P. Mellin, O. Castillo, L.T. Aguilar, J. Kacprzyk, W. Pedrycz Eds, Springer, 2007, 13-22.
    • R. Alt, J.-L. Lamotte, S. Markov, Numerical study of Algebraic problems using Stochastic arithmetic, Selected papers, Large Scale Scientific Computing conf., LNCS 4818, 2007, 123-130.
    • R. Alt, J.-L. Lamotte, S. Markov, On the solution to numerical problems using stochastic arithmetic, SCAN conf on Scientific computing and validated numerics, Duisburg, 2006.
    • R. Alt, A simple and efficient algorithm for eigenvalues computation, Proc NMA06, Sixth International Conference on Numerical Methods and Applications, Borovets, aug. 2006, LNCS 4310, 2006.
    • R. Alt, J.-L. Lamotte, S. Markov, On the Numerical Solution to linear Problems using Stochastic Arithmetic, ACM Symposium on Applied Computing, Dijon, 23-26 April, 2006, 1635-1639.
    • R. Alt, J.-L. Lamotte, S. Markov, Numerical Study of Algebraic Solutions to Linear Problems Involving Stochastic Parameters, Selected papers, Large Scale Scientific Computing conf., LNCS 3743, 2006, 273-280.
    • S. Markov, R. Alt, J.-L. Lamotte , Stochastic Arithmetic: s-spaces and some applications, Scan'2002 International Conference selected papers, Numerical Algorithms, December 2004, 37(1-4), p. 278-285
    • S. Markov, R. Alt , Stochastic Arithmetic : Addition and multiplication by scalars, Applied Numer. Maths, 2004, 50, p. 475-488
    • B. Oussena, A. Henni, R. Alt, An application of the wavelets theory to early Brest Cancer, LNCS 2991,Numerical Software with verification,2004, 250-259
    • R. Alt, S. M. Markov, On the algebraic properties of stochastic arithmetic. Comparison to interval arithmetic. Scientific Computing, Validated Numerics, Interval Methods, W. Kraemer, J. Wolff Von Gudenberg (eds), Kluwer Acad. Publ., Boston/Dordrecht/London (2001) 331-342.
    • R.Alt et J.L. Lamotte, Some experiments on the evaluation of functional ranges using a random interval arithmetic. Math. Comp. Sim. 1885 (2000), pp 1-18
    • R. Alt, S.M. Markov, On the algebraic properties of stochastic arithmetic. SCAN'2000 internat. congress, Karlsruhe sept 2000.