Namur Institute for Complex Systems

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2011
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

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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
3 Downloads (Pure)
Open Access
File
Thermodynamic Formalism
Centrality
Complex Networks
random walk
PageRank

Cluster-size entropy in the Axelrod model of social influence: Small-world networks and mass media

Gandica Lopez, Y. C., Charmell, A. & Villegas-Febre, J., 20 Oct 2011, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 84, p. 046109 6 p.

Research output: Contribution to journalArticle

Social Influence
Small-world Network
Entropy
entropy
External Field
55 Downloads (Pure)

Emerging structures in social networks guided by opinions' exchanges

Carletti, T., Fanelli, D. & Righi, S., 2011, In : Advances in Complex Systems. 14, 1, p. 13-30 18 p.

Research output: Contribution to journalArticle

Open Access
File

e-Youth before its judges: legal protection of minors in cyberspace

Poullet, Y., 2011, In : Computer Law and Security Review. 37, 1, p. 6-20 15 p.

Research output: Contribution to journalArticle

Open Access
12 Downloads (Pure)

Fast regularized linear sampling for inverse scattering problems

Fares, M., Gratton, S. & Toint, P., 1 Jan 2011, In : Numerical Linear Algebra with Applications. 18, 1, p. 55-68 14 p.

Research output: Contribution to journalArticle

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Inverse Scattering Problem
Sampling Methods
Singular value decomposition
Numerical Procedure
Far Field

Firm-network characteristics and economic robustness to natural disasters.

Henriet, F., Hallegatte, S. & Tabourier, L., 15 Oct 2011, In : Journal of Economic Dynamics and Control.

Research output: Contribution to journalArticle

40 Downloads (Pure)
File
Adaptive expectations
Informational efficiency
Confirmation bias
Assets
Deviation
3 Downloads (Pure)

Formation of '3D' multiplanet systems by dynamical disruption of multiple-resonance configurations

Libert, A. S. & Tsiganis, K., 1 Apr 2011, In : Monthly Notices of the Royal Astronomy Society. 412, 4, p. 2353-2360 8 p.

Research output: Contribution to journalArticle

Open Access
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planets
planet
configurations
inclination
eccentricity

Imprints of dark energy on cosmic structure formation-II. Non-universality of the halo mass function

Courtin, J., Rasera, Y., Alimi, J-M., Corasaniti, P-S., Füzfa, A. & Boucher, V., 1 Jan 2011, In : Monthly Notices of the Royal Astronomical Society. 410, 3, p. 1911-1931 21 p.

Research output: Contribution to journalArticle

dark energy
halos
energy
deviation
Microwave Anisotropy Probe
26 Downloads (Pure)

Internal links and pairs as a new tool for the analysis of bipartite complex networks

Allali, O., Tabourier, L., Magnien, C. & Latapy, M., 22 Apr 2011, In : Social Network Analysis and Mining.

Research output: Contribution to journalArticle

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Complex networks
data storage
Data storage equipment
projection
cause
20 Downloads (Pure)

Intrinsically Dynamic Network Communities

Mitra, B., Tabourier, L. & Roth, C., 8 Nov 2011, In : Computer Networks.

Research output: Contribution to journalArticle

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Sampling

On a class of limited memory preconditioners for large scale linear systems with multiple right-hand sides

Gratton, S., Sartenaer, A. & Tshimanga Ilunga, J., 2011, (Unpublished) In : SIAM Journal on Optimization. 3, p. 912-935 24 p.

Research output: Contribution to journalArticle

Large-scale Systems
Preconditioner
Linear systems
Linear Systems
Data storage equipment
26 Downloads (Pure)

On the evaluation complexity of composite function minimization with applications to nonconvex nonlinear programming

Cartis, C., Gould, N. & Toint, P., 1 Jan 2011, In : SIAM Journal on Optimization. 21, 4, p. 1721-1739 19 p.

Research output: Contribution to journalArticle

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Nonconvex Programming
Function Minimization
Composite function
Function evaluation
Nonlinear programming
2 Downloads (Pure)

On the influence of the Kozai mechanism in habitable zones of extrasolar planetary systems

Funk, B., Libert, A. S., Süli, Á. & Pilat-Lohinger, E., 1 Feb 2011, In : Astronomy and Astrophysics. 526, 12, A98.

Research output: Contribution to journalArticle

Open Access
File
planetary systems
planets
eccentricity
planet
gases

Power-shaping control: Writing the system dynamics into the Brayton-Moser form

Favache, A., Dochain, D. & Winkin, J. J., 1 Aug 2011, In : Systems and Control Letters. 60, 8, p. 618-624 7 p.

Research output: Contribution to journalArticle

Partial differential equations
Dynamical systems
Chemical reactors
Linear equations
Linear systems
45 Downloads (Pure)

Range-space variants and inexact matrix-vector products in Krylov solvers for linear systems arising from inverse problems

Gratton, S., Toint, P. & Tshimanga Ilunga, J., 1 Jan 2011, In : SIAM Journal on Matrix Analysis and Applications. 32, 3, p. 969-986 18 p.

Research output: Contribution to journalArticle

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Cross product
Matrix Product
Inverse Problem
Data Assimilation
Linear Systems

Simulated epidemics in an empirical spatiotemporal network of 50,185 sexual contacts

Correa da Rocha, L. E., Liljeros, F. & Holme, P., 2011, In : PLOS Computational Biology. 7, 3, p. e1001109

Research output: Contribution to journalArticle

topology
Topology
Contact
Network Topology
Temporal Correlation
135 Downloads (Pure)

Stopping rules and backward error analysis for bound-constrained optimization

Gratton, S., Mouffe, M. & Toint, P., 1 Sep 2011, In : Numerische Mathematik. 119, 1, p. 163-187 25 p.

Research output: Contribution to journalArticle

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Backward Error Analysis
Stopping Rule
Constrained optimization
Constrained Optimization
Error analysis
160 Downloads (Pure)
File
three body problem
integrators
dynamical systems
orbits
deviation

The rotation of Mimas

Noyelles, B., Karatekin, O. & Rambaux, N., 1 Jan 2011, In : Astronomy and Astrophysics. 536

Research output: Contribution to journalArticle

Mimas
Saturn
libration
Cassini mission
obliquity

Tidal evolution of planets around brown dwarfs

Bolmont, E., Raymond, S. N. & Leconte, J., 22 Nov 2011, In : Astronomy and Astrophysics. 535, A94.

Research output: Contribution to journalArticle

planets
planet
corotation
eccentricity
orbitals

Trapping in three-planet resonances during gas-driven migration

Libert, A-S. & Tsiganis, K., 1 Oct 2011, In : Celestial Mechanics and Dynamical Astronomy. 111, 1-2, p. 201-218 18 p.

Research output: Contribution to journalArticle

Planets
Trapping
Migration
trapping
planets

Travel and activity time allocation: An empirical comparison between eight cities in Europe

RAUX, C., Ma, T-Y., Ovtracht, N., Joly, I., Kaufmann, V. & Cornelis, E., 1 Mar 2011, In : Transport Policy. 18, 2, p. 401-412 12 p.

Research output: Contribution to journalArticle

time allocation
Hazards
travel
Availability
residential density

“Partial Inner Product Spaces: Some Categorical Aspects”

ANTOINE, J-P., Lambert, D. & TRAPANI, C., 2011, In : Advances in Mathematical Physics. 2011 , 22 p.

Research output: Contribution to journalArticle

2010

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

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
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

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Trust Region Method
Unconstrained Optimization
Iterate
Update
Global Convergence

Complex propagation on directed small world networks

Gandica Lopez, Y. C., Bonalde, I. & Cabrera, J. L., 2 Apr 2010, In : Physica A: Statistical Mechanics and its Applications. 389, p. 4172–4176 5 p.

Research output: Contribution to journalArticle

Directed Network
Small-world Network
Propagation
propagation
Contagion

Continuous opinion model in small-world directed networks

Gandica Lopez, Y. C., Castillo-Mussot, M., Vázquez, G. J. & Rojas, S., 5 Aug 2010, In : Physica A: Statistical Mechanics and its Applications. 389, p. 5864–5870 7 p.

Research output: Contribution to journalArticle

Directed Network
Small-world Network
Model
Tolerance
Disorder
227 Downloads (Pure)

Convergence of a regularized Euclidean residual algorithm for nonlinear least-squares

Bellavia, S., Morini, B., Cartis, C., Gould, N. I. M. & Toint, P. L., 1 Jan 2010, In : SIAM Journal on Numerical Analysis. 48, 1, p. 1-29 29 p.

Research output: Contribution to journalArticle

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Nonlinear Least Squares
Nonlinear equations
Euclidean
Convergence Properties
System of Nonlinear Equations
39 Downloads (Pure)
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interpretation
Belgium
Distribution functions
time
present

Etiological models of major depression

Desseilles, M., 2010, In : Acta Psychiatrica Belgica. 110, 4, p. 24-42

Research output: Contribution to journalArticle

4 Downloads (Pure)
File
Finance
Distribution functions
Cumulative distribution function
Stochastic programming
Formulation
planetary satellite
Mercury
Eccentricity
Inclination
natural satellites

Functional Analysis: Evaluation of Response Intensities - Tailoring ANOVA for Lists of Expression Subsets. FAERI-TALES.

Berger, F., De Meulder, B., Gaigneaux, A., Depiereux, S., Bareke, E., Pierre, M., De Hertogh, B., Delorenzi, M. & Depiereux, E., 13 Oct 2010, In : BMC Bioinformatics. 11, 510

Research output: Contribution to journalArticle

4 Downloads (Pure)

Generating constrained random graphs using multiple edge switches

Tabourier, L., Roth, C. & Cointet, J-P., 14 Dec 2010, In : Journal of Experimental Algorithmics.

Research output: Contribution to journalArticle

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Random Graphs
Switch
Switches
Graph in graph theory
Swap

GHG emissions of supply chains from different retail systems in Europe

Rizet, C., Cornélis, E., Browne, M. & Léonardi, J., 1 Jan 2010, In : Procedia Social and Behavioral Sciences. 2, p. 6154-6164 11 p.

Research output: Contribution to journalArticle

supply
efficiency
Air
Food
farm

Imprints of dark energy on cosmic structure formation - I. Realistic quintessence models and the non-linear matter power spectrum

Alimi, J-M., Füzfa, A., Rasera, Y., Courtin, J., Corasaniti, P-S. & Boucher, V., 1 Jan 2010, In : Monthly Notices of the Royal Astronomical Society. 401, 2, p. 775-790 16 p.

Research output: Contribution to journalArticle

dark energy
power spectra
dark matter
energy
Microwave Anisotropy Probe
Sex Work
Sex Workers
Internet
Sexual Behavior
Growth

La protection des données dans l'Espace européen de liberté, de sécurité et de justice

JOURET, J., MOREAU, D., Dumortier, F., Gayrel, C. & Poullet, Y., 2010, In : Journal de droit européen. 166, p. 33-46 14 p.

Research output: Contribution to journalArticle

Open Access

LQ-optimal control of positive linear systems

Beauthier, C. & Winkin, J. J., 1 Nov 2010, In : Optimal Control Applications and Methods. 31, 6, p. 547-566 20 p.

Research output: Contribution to journalArticle

Positive Systems
Closed loop systems
Linear systems
Optimal Control
Optimal System

Nonlinear Adjustment of the Real Exchange Rate Towards its Equilibrium Value: A Panel Smooth Transition Error Correction Modelling

Bereau, S., Bénassy-Quéré, A. & Mignon, V., 2010, In : Economic Modelling. 27, 1, p. 404-416 13 p.

Research output: Contribution to journalArticle

Open Access
Real exchange rate
Error correction
Modeling
Smooth transition
Nonlinear adjustment
63 Downloads (Pure)

Nonlinear programming without a penalty function or a filter

Gould, N. & Toint, P., 1 Mar 2010, In : Mathematical Programming. 122, 1, p. 155-196 42 p.

Research output: Contribution to journalArticle

File
Nonlinear programming
Penalty Function
Nonlinear Programming
Filter
Trust Region
5 Downloads (Pure)
File
Trust Region Method
Recursive Method
Constrained optimization
Constrained Optimization
Trust Region Algorithm

On the complementarity of equilibrium exchange rate approaches

Bereau, S., Bénassy-Quéré, A. & Mignon, V., 2010, In : Review of International Economics. 18, 4

Research output: Contribution to journalArticle

Equilibrium exchange rate
Complementarity
Confidence
Portfolio choice
International capital markets
8 Downloads (Pure)

On the complexity of steepest descent, Newton's and regularized Newton's methods for nonconvex unconstrained optimization problems

Cartis, C., Gould, N. & Toint, P., 1 Jan 2010, In : SIAM Journal on Optimization. 20, 6, p. 2833-2852 20 p.

Research output: Contribution to journalArticle

Open Access
File
Nonconvex Optimization
Steepest Descent
Unconstrained Optimization
Newton-Raphson method
Newton Methods