Projects per year
Personal profile
Areas of expertise
Numerical analysis, optimization, algorithms, transportation modelling, numerical linear algebra, mobility analysis
External responsibilities
Awards
Diplomas
Areas of expertise
External responsibilities
Awards
Diplomas
Education/Academic qualification
Master of Mathematics, University of Namur
Doctor of Science, University of Namur
Fingerprint Fingerprint is based on mining the text of the person's scientific documents to create an index of weighted terms, which defines the key subjects of each individual researcher.
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Network
Recent external collaboration on country level. Dive into details by clicking on the dots.
Projects 1987 2015
VirtualBelgium: VirtualBelgium: a simulation platform for the Belgian population
Barthelemy, J., Carletti, T., Cornelis, É., Fontaine, C., Fuzfa, A., Henry, S., Pauly, X. & Toint, P.
4/05/11 → …
Project: Research
Complexity in nonlinear optimization
Toint, P., Gould, N. I. M. & Cartis, C.
1/11/08 → …
Project: Research
Recent developments in optimization methods for data assimilation in oceanography
Sartenaer, A., Laloyaux, P., Toint, P., Tshimanga Ilunga, J. & Gürol, S.
1/09/07 → …
Project: PHD
CUTEr: Constrained and Unconstrained Testing Environment, revisited (CUTEr)
1/01/01 → …
Project: Research
Research Output 1977 2018
A note on preconditioning weighted linear least-squares with consequences for weakly constrained variational data assimilation
Gratton, S., Selime, G., Simon, E. & Toint, P., Apr 2018, In : Quarterly Journal of the Royal Meteorological Society. 144, 172, p. 934-940Research output: Contribution to journal › Article
File
Data Assimilation
Linear Least Squares
Weighted Least Squares
Matrix Models
Preconditioning
Guaranteeing the convergence of the saddle formulation in weakly-constrained 4D-VAR data assimilation
Gratton, S., Gürol, S., Simon, E. & Toint, P., 2018, (Accepted/In press) In : Quarterly Journal of the Royal Meteorological Society.Research output: Contribution to journal › Article
File
Data Assimilation
Saddle
data assimilation
Formulation
Correlation Matrix
Michael James David Powell: 29 July 1936-19 April 2015
Buhmann, M., Fletcher, R., Iserles, A. & Toint, P., 2018, In : Biogr. Mems Fell R. Soc. (London). 64: 341-366, 39 p.Research output: Contribution to journal › Article
Open Access
File
Minimizing convex quadratics with variable precision Krylov methods
Gratton, S., Simon, E. & Toint, P., 2018, (Submitted) Arxiv, 26 p.Research output: Working paper
File
Krylov Methods
Quadratic Optimization
Cross product
Matrix Product
Conjugate Gradient
Second-order optimality and beyond: characterization and evaluation complexity in nonconvex convexly-constrained optimization
Cartis, C., Gould, N. I. M. & Toint, P., 24 Sep 2018, In : Foundations of Computational Mathematics. 18, 5, p. 1073-1107Research output: Contribution to journal › Article
Nonconvex Optimization
Constrained optimization
Constrained Optimization
Optimality
Derivatives
Prizes
honors and awards
orchards
Activities 1974 2018
Worst-case evaluation complexity for nonconvex optimization: adventures in the jungle of high-order nonlinear optimization
Toint, P. (Speaker)8 Sep 2018
Activity: Talk or presentation › Invited talk
Minimizing convex quadratics with variable precision Krylov methods
Toint, P. (Speaker)23 Jul 2018
Activity: Talk or presentation › Invited talk
A path and some adventures in the jungle of high-order nonlinear optimization
Toint, P. (Speaker)23 Oct 2017
Activity: Talk or presentation › Invited talk
A path and some adventures in the jungle of high-order nonlinear optimization
Toint, P. (Speaker)24 Oct 2017
Activity: Talk or presentation › Invited talk
A primal-dual approach of weak-constrained variational data assimilation: (Iterate) History matters
Toint, P. (Speaker)13 Oct 2017
Activity: Talk or presentation › Invited talk
Thesis
A global optimization method for mixed integer nonlinear nonconvex problems related to power systems analysis
Author: Wanufelle, E., 6 Dec 2007Supervisor: Sartenaer, A. (Supervisor), Strodiot, J. (Jury), Toint, P. (Jury), Leyffer, S. (External person) (Jury) & Merckx, C. (External person) (Jury)
Student thesis: Doc types › Doctor of Sciences
File
Algorithmes évolutionnaires pour la programmation non-linéaire globale
Author: Roegiers, C., 2004Supervisor: Toint, P. (Supervisor), Sartenaer, A. (Jury) & Bastin, F. (Jury)
Student thesis: Master types › Master in Mathematics
Algorithms and software for multilevel nonlinear optimization
Author: Tomanos, D., 4 Sep 2009Supervisor: Toint, P. (Supervisor), Sartenaer, A. (President), Winkin, J. (Jury), Gratton, S. (External person) (Jury) & Orban, D. (External person) (Jury)
Student thesis: Doc types › Doctor of Sciences
File
Amélioration d'un modèle d'océan en couche mince pour l'algorihmique des sciences de la terre
Author: TILMAN, E., 31 Aug 2012Supervisor: Toint, P. (Supervisor), Sartenaer, A. (Jury), Graton, S. (External person) (Jury) & Lambiotte, R. (Jury)
Student thesis: Master types › Master in Mathematics
Analyse de l'utilisation d'un modèle d'affectation statique agrégé pour évaluer les émissions de gaz polluants
Author: Demeulder, L., 2004Supervisor: Toint, P. (Supervisor), Cornelis, É. (Co-Supervisor) & Colson, B. (Jury)
Student thesis: Master types › Master in Mathematics
Press / Media
Worst-case complexity of nonlinear optimization: where do we stand?
22/12/14
1 item of media coverage
Press/Media: Expert Comment