Namur Institute for Complex Systems

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    Belgium

Research Output 1977 2020

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Article

2D pattern evolution constrained by complex network dynamics

Correa da Rocha, L. E. & Costa, L. D. F., 30 Apr 2007, In : New Journal of Physics. 9, 108.

Research output: Contribution to journalArticle

spilling
network control
immune systems
viruses
infectious diseases

A benchmark for statistical microarray data analysis that preserves actual biological and technical variance. BMC Bioinformatics

De Hertogh, B., De Meulder, B., Berger, F., Pierre, M., Bareke, E., Gaigneaux, A. & Depiereux, E., 2010, In : BMC Bioinformatics. 11, 17

Research output: Contribution to journalArticle

Ability to maintain internal arousal and motivation modulates brain responses to emotions

Sterpenich, V., Schwartz, S., Maquet, P. & Desseilles, M., 1 Dec 2014, In : PLoS ONE. 9, 12, e112999.

Research output: Contribution to journalArticle

amygdala
Aptitude
Frontal Lobe
emotions
Arousal

Adaptation et neurosciences II: adaptation biologique, psychique, sociale et psychopathologie

Desseilles, M., 2016, In : Santé mentale au Québec. XLI, 1, p. 327-346 20 p.

Research output: Contribution to journalArticle

20 Downloads (Pure)

Adaptive cubic regularisation methods for unconstrained optimization. Part I: Motivation, convergence and numerical results

Cartis, C., Gould, N. I. M. & Toint, P. L., 1 Apr 2011, In : Mathematical Programming. 127, 2, p. 245-295 51 p.

Research output: Contribution to journalArticle

File
Unconstrained Optimization
Regularization Method
Convergence Results
Numerical Results
Lipschitz
32 Downloads (Pure)

Adaptive cubic regularisation methods for unconstrained optimization. Part II: Worst-case function- and derivative-evaluation complexity

Cartis, C., Gould, N. & Toint, P., 1 Dec 2011, In : Mathematical Programming. 130, 2, p. 295-319 25 p.

Research output: Contribution to journalArticle

File
Unconstrained Optimization
Regularization Method
Derivatives
Iteration
Derivative

Adaptive regularization algorithms with inexact evaluations for nonconvex optimization

Bellavia, S., Gurioli, G., Morini, B. & Toint, P., 2 Jan 2020, In : SIAM Journal on Optimization. 29, 4, p. 2881-2915

Research output: Contribution to journalArticle

Open Access
File
Nonconvex Optimization
Adaptive algorithms
Regularization
Derivatives
Derivative

Additive modelling reveals spatiotemporal PCBs trends in marine sediments

Everaert, G., De Laender, F., Deneudt, K., Roose, P., Mees, J., Goethals, P. & Janssen, C., 2014, In : Marine Pollution Bulletin. 1-2

Research output: Contribution to journalArticle

Adenylation-Dependent Conformation and Unfolding Pathways of the NAD+-Dependent DNA Ligase from the Thermophile Thermus scotoductus

Georlette, D., Blaise, V., Bouillenne, F., Damien, B., Thorbjarnardottir, S., Depiereux, E., Gerday, C., Uversky, V. & Feller, G., 1 Feb 2004, In : Biophysical Journal. 86, 2, p. 1089-1104

Research output: Contribution to journalArticle

Thermus
DNA ligase (NAD)
Derivative-free
Constrained Optimization
Nonlinear Optimization
Interpolation
Equality

A discriminant analysis algorithm for the inside/outside problem

Rémon, M., 15 Nov 1996, In : Computational Statistics and Data Analysis. 23, 1, p. 125-133 9 p.

Research output: Contribution to journalArticle

Discriminant analysis
Discriminant Analysis
Convex Sets
Unknown
Estimator
70 Downloads (Pure)
Open Access
File
traffic
neural network
driver
local traffic
efficiency

A dynamic network analysis of emergent grammar

Ibbotson, P., Salnikov, V. & Walker, R., 1 Dec 2019, In : First Language. 39, 6, p. 652-680 29 p.

Research output: Contribution to journalArticle

network analysis
grammar
community
language
cultural system

A generalized approach to complex networks

Costa, L. D. F. & Correa da Rocha, L. E., Mar 2006, In : European Physical Journal B. 50, 1-2, p. 237-242 6 p.

Research output: Contribution to journalArticle

Complex networks
Proteins
Mathematical morphology
proteins
Topology
9 Downloads (Pure)
Open Access
File
genetic algorithms
engineering
mutations
optimization
escape
Gray Code
Quadratic Approximation
Local Optimization
Fitness
Genetic Algorithm

A Gillespie algorithm for non-Markovian stochastic processes: Laplace transform approach

Masuda, N. & Correa da Rocha, L. E., 2016, In : ArXiv pre-print. 1601.01490

Research output: Contribution to journalArticle

Alterations in neural systems mediating cognitive flexibility and inhibition in mood disorders

Piguet, C., Cojan, Y., Sterpenich, V., Desseilles, M., Bertschy, G. & Vuilleumier, P., 1 Apr 2016, In : Human Brain Mapping. 37, 4, p. 1335-1348 14 p.

Research output: Contribution to journalArticle

Mood Disorders
Gyrus Cinguli
Costs and Cost Analysis
Parietal Lobe
Neurobehavioral Manifestations
11 Downloads (Pure)
Open Access
File
group velocity
electromagnetic fields
photonics
Maxwell equation
crystals

A map of the large day–night temperature gradient of a super-Earth exoplanet

Demory, B-O., Gillon, M., de Wit, J., Madhusudhan, N., Bolmont, É., Heng, K., Kataria, T., Lewis, N., Hu, R., Krick, J., Stamenković, V., Benneke, B., Kane, S. & Queloz, D., 30 Mar 2016, In : Nature. 532

Research output: Contribution to journalArticle

extrasolar planets
planets
temperature gradients
atmospheres
stars
10 Downloads (Pure)

A minimally invasive neurostimulation method for controlling abnormal synchronisation in the neuronal activity

Asllani, M., Expert, P. & Carletti, T., 9 Jul 2018, In : PLOS Computational Biology. 14, 7, 18 p., e1006296.

Research output: Contribution to journalArticle

Open Access
File
Synchronization
brain
Neuron
neurons
group process
22 Downloads (Pure)

A Model of Weekly Labor Participation for a Belgian Synthetic Population

Cirillo, C., Cornelis, E. & Toint, P., 1 Mar 2012, In : Networks and Spatial Economics. 12, 1, p. 59-73 15 p.

Research output: Contribution to journalArticle

File
Personnel
Industry
10 Downloads (Pure)

A multi-scale fine-grained LUTI model to simulate land use scenarios in Luxembourg

Gerber, P., CARUSO, G., Cornelis, É. & MÉDARD de CHARDON, C., 22 Feb 2018, In : Journal of Transport and Land Use. 11, 1, p. 255-272 17 p.

Research output: Contribution to journalArticle

Open Access
File
Luxembourg
Land use
land use
scenario
real estate market
9 Downloads (Pure)

An active-set trust-region method for derivative-free nonlinear bound-constrained optimization

Gratton, S., Toint, P. & Tröltzsch, A., 1 Aug 2011, In : Optimization Methods and Software. 26, 4-5, p. 873-894 22 p.

Research output: Contribution to journalArticle

File
Active Set Method
Derivative-free
Trust Region Method
Constrained optimization
Constrained Optimization
31 Downloads (Pure)

An adaptive agent-based approach to traffic simulation

Barthelemy, J. & Carletti, T., 8 Jun 2017, In : Transportation Research Procedia. 25, p. 1238-1248 11 p.

Research output: Contribution to journalArticle

Open Access
File
traffic
simulation
neural network
local traffic
experiment
8 Downloads (Pure)

An adaptive cubic regularization algorithm for nonconvex optimization with convex constraints and its function-evaluation complexity

Cartis, C., Gould, N. & Toint, P., 1 Oct 2012, In : IMA Journal of Numerical Analysis. 32, 4, p. 1662-1695 34 p.

Research output: Contribution to journalArticle

File
Convex Constraints
Nonconvex Optimization
Function evaluation
Evaluation Function
Regularization

"An algebraic and geometric approach to nonbijective quadratic transformations"

Lambert, D. & KIBLER, M., 1988, In : Journal of physics A: Mathematical and general. 21 , p. 307-343

Research output: Contribution to journalArticle

2 Downloads (Pure)

An algorithm for the minimization of nonsmooth nonconvex functions using inexact evaluations and its worst-case complexity

Gratton, S., Simon, E. & Toint, P., 2 Jan 2020, (Accepted/In press) In : Mathematical Programming. to appear, 19 p.

Research output: Contribution to journalArticle

Open Access
File
Derivatives
Evaluation
Adaptive algorithms
Nonconvex Minimization
Inexact Methods
6 Downloads (Pure)
File

An Earth-sized planet in the habitable zone of a cool star

Quintana, E. V., Barclay, T., Raymond, S. N., Rowe, J. F., Bolmont, E., Caldwell, D. A., Howell, S. B., Kane, S. R., Huber, D., Crepp, J. R., Lissauer, J. J., Ciardi, D. R., Coughlin, J. L., Everett, M. E., Henze, C. E., Horch, E., Isaacson, H., Ford, E. B., Adams, F. C., Still, M. & 3 others, Hunter, R. C., Quarles, B. & Selsis, F., 1 Jan 2014, In : Science. 344, 6181, p. 277-280 4 p.

Research output: Contribution to journalArticle

Planet
Johannes Kepler
Water
Liquid
Radiation
5 Downloads (Pure)

An Interior-Point Trust-Funnel Algorithm for Nonlinear Optimization

Curtis, F., Gould, N. I. M., Robinson, D. & Toint, P., Jan 2017, In : Mathematical Programming. 161, 1-2, p. 73-134 62 p.

Research output: Contribution to journalArticle

File
Interior Point
Nonlinear Optimization
Global Convergence
Matrix Derivative
Iteration

An Introduction to Non-diffusive Transport Models

Bovet, A., 8 Aug 2015, In : ArXiv pre-print. 23 p.

Research output: Contribution to journalArticle

File
finance
amorphous semiconductors
stochastic processes
readers
energetic particles
5 Downloads (Pure)

A note about the complexity of minimizing Nesterov's smooth Chebyshev-Rosenbrock function

Cartis, C., Gould, N. I. M. & Toint, P. L., 1 Jun 2013, In : Optimization Methods and Software. 28, 3, p. 451-457 7 p.

Research output: Contribution to journalArticle

File
Chebyshev
Nonconvex Optimization
Nonconvex Problems
Resolve
Lower bound
6 Downloads (Pure)

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, 712, p. 934-940 7 p.

Research output: Contribution to journalArticle

File
Data Assimilation
Linear Least Squares
Weighted Least Squares
Preconditioning
data assimilation
6 Downloads (Pure)

A note on using performance and data profiles for training algorithms

Porcelli, M. & Toint, P. L., 1 Jan 2019, In : ACM Transactions on Mathematical Software. 45, 2, a20.

Research output: Contribution to journalArticle

File
Training Algorithm
Derivatives
Derivative-free
Integer
Benchmarking

A numerical exploration of miranda's dynamical history

Verheylewegen, E., Noyelles, B. & Lemaitre, A., 1 Oct 2013, In : Monthly Notices of the Royal Astronomical Society. 435, 2, p. 1776-1787 12 p.

Research output: Contribution to journalArticle

Miranda
histories
inclination
history
Miranda satellite

A perspective on the importance of reproductive mode in astrobiology

Van Doninck, K., Schön, I. & Martens, K., 2004, In : Astrobiology. 3, 4, p. 657-71 15 p.

Research output: Contribution to journalArticle

Exobiology
exobiology
Sexuality
Asexual Reproduction
sexuality

A possible mechanism to explain the lack of binary asteroids among the Plutinos

Compère, A., Farrelly, D., Lemaitre, A. & Hestroffer, D., 7 Oct 2013, In : Astronomy and Astrophysics. 558, A4.

Research output: Contribution to journalArticle

asteroids
asteroid
Kuiper belt
eccentricity
Neptune (planet)
2 Downloads (Pure)
File
70 Downloads (Pure)

Approximate invariant subspaces and quasi-Newton optimization methods

Gratton, S. & Toint, P. L., 1 Aug 2010, In : Optimization Methods and Software. 25, 4, p. 507-529 23 p.

Research output: Contribution to journalArticle

Open Access
File
Quasi-Newton Method
Invariant Subspace
Optimization Methods
Chord or secant line
Newton-Raphson method
2 Downloads (Pure)

Approximating Hessians in multilevel unconstrained optimization

Malmedy, V. & Toint, P., 2011, In : Computational Optimization and Applications. 50, 1, p. 1-22 22 p.

Research output: Contribution to journalArticle

File
Conjugate gradient method
Unconstrained Optimization
Newton-Raphson method
Quasi-Newton Method
Line Search
30 Downloads (Pure)
File
Unconstrained Optimization
Newton-Raphson method
Finite difference method
Trust Region Algorithm
Large-scale Optimization

A recursive ℓ-trust-region method for bound-constrained nonlinear optimization

Gratton, S., Mouffe, M., Toint, P. & Weber-Mendona, M., 1 Oct 2008, In : IMA Journal of Numerical Analysis. 28, 4, p. 827-861 35 p.

Research output: Contribution to journalArticle

Trust Region Method
Recursive Method
Constrained Optimization
Nonlinear Optimization
Trust Region

A re-evaluation of fifteen years of european risk assessment using effect models

De Laender, F., Van Sprang, P. & Janssen, C. R., 1 Mar 2013, In : Environmental Toxicology and Chemistry. 32, 3, p. 594-601 8 p.

Research output: Contribution to journalArticle

Food Chain
Silver Sulfadiazine
Risk assessment
risk assessment
food web
18 Downloads (Pure)

A retrospective trust-region method for unconstrained optimization

Bastin, F., Malmedy, V., Toint, P., Tomanos, D. & Mouffe, M., 1 Jun 2010, In : Mathematical Programming. 123, 2, p. 395-418 24 p.

Research output: Contribution to journalArticle

File
Trust Region Method
Unconstrained Optimization
Iterate
Update
Global Convergence

Around the concept of privacy: ethics and human rights in the information society ?

Poullet, Y., 2008, In : The European files. 14, p. 34-34 1 p.

Research output: Contribution to journalArticle

Open Access