Namur Institute for Complex Systems

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2013
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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

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 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)

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

A thermodynamic counterpart of the Axelrod model of social influence: The one-dimensional case

Gandica Lopez, Y. C., Medina, E. & Bonalde, I., 14 Aug 2013, In : Physica A: Statistical Mechanics and its Applications. 392, p. 6561–6570 10 p.

Research output: Contribution to journalArticle

Social Influence
Thermodynamics
thermodynamics
Potts Model
Interacting Particle Systems
Control systems
Differential equations
Costs

Burstiness and spreading on temporal networks

Lambiotte, R., Tabourier, L. & Delvenne, J-C., 1 Jul 2013, In : European Physical Journal B. 86, 320.

Research output: Contribution to journalArticle

Bursts of vertex activation and epidemics in evolving networks

Correa da Rocha, L. E. & Blondel, V., 2013, In : PLOS Computational Biology. 9, 3, p. e1002974

Research output: Contribution to journalArticle

Stochastic models
Burst
Activation
Chemical activation
Infection

Comment on "origin of cosmic magnetic fields"

Durrer, R., Marozzi, G. & Rinaldi, M., 25 Nov 2013, In : Physical review letters. 111, 22, 229001.

Research output: Contribution to journalArticle

11 Downloads (Pure)

Conjugate gradients versus multigrid solvers for diffusion-based correlation models in data assimilation

Gratton, S., Toint, P. L. & Tshimanga, J., 2013, In : Quarterly Journal of the Royal Meteorological Society. 139, 675, p. 1481-1487 7 p.

Research output: Contribution to journalArticle

Open Access
File
data assimilation
comparison

Crocodile head scales are not developmental units but emerge from physical cracking

Milinkovitch, M. C., Manukyan, L., Debry, A., Di-Poï, N., Martin, S., Singh, D., Lambert, D. & Zwicker, M., 4 Jan 2013, In : Science (New York, N.Y.). 339, 6115, p. 78-81 4 p.

Research output: Contribution to journalArticle

Physical
Controlled
Skeleton
Organizing
Spatial Organization
Spatial Networks
Decentralized
Routing
Function Estimation
Shortest path

Derivative-free optimization for large-scale nonlinear data assimilation problems

Gratton, S., Laloyaux, P. & Sartenaer, A., 28 May 2013, (Accepted/In press) In : Quarterly Journal of the Royal Meteorological Society.

Research output: Contribution to journalArticle

Kalman filter
data assimilation
shallow water
11 Downloads (Pure)

Detection of Laplace-resonant three-planet systems from transit timing variations

Libert, A-S. & Renner, S., 2013, In : Monthly Notices of the Royal Astronomical Society. 430, 2, p. 1369-1375 7 p.

Research output: Contribution to journalArticle

Open Access
File
transit
planets
planet
time measurement
Jupiter (planet)
17 Downloads (Pure)

Directedness of information flow in mobile phone communication networks

Peruani, F. & Tabourier, L., 1 Feb 2013, In : PLoS ONE.

Research output: Contribution to journalArticle

File

Effort for money? Farmers' rationale for participation in agri-environment measures with different implementation complexity

Van Herzele, A., Gobin, A., Van Gossum, P., Acosta, L., Waas, T., Dendoncker, N. & Henry de Frahan, B., 15 Dec 2013, In : Journal of Environmental Management. 131, p. 110-120 11 p.

Research output: Contribution to journalArticle

Weighing
Farms
Environmental impact
Managers
Industry
5 Downloads (Pure)

Explosive particle production in non-commutative inflation

Perrier, H., Durrer, R. & Rinaldi, M., 21 Jan 2013, In : Journal of High Energy Physics. 2013, 67, 067.

Research output: Contribution to journalArticle

File
particle production
flux density
radiation
estimates
Italy

Flow motifs reveal limitations of the static framework to represent human interactions

Correa da Rocha, L. E. & Blondel, V., 2013, In : Physical Review E. 87, 4, p. 042814

Research output: Contribution to journalArticle

Clique
Interaction
apexes
interactions
Human

Habitable planets eclipsing brown dwarfs: Strategies for detection and characterization

Belu, A. R., Selsis, F., Raymond, S. N., Pallé, E., Street, R., Sahu, D. K., Von Braun, K., Bolmont, E., Figueira, P., Anupama, G. C. & Ribas, I., 10 May 2013, In : Astrophysical Journal. 768, 2, 125.

Research output: Contribution to journalArticle

planets
planet
night
telescopes
scheduling
3 Downloads (Pure)

Highly inclined and eccentric massive planets: I. Planet-disc interactions

Bitsch, B., Crida, A., Libert, A-S. & Lega, E., 2013, In : Astronomy and Astrophysics. 555

Research output: Contribution to journalArticle

Open Access
File
eccentrics
planets
planet
inclination
interactions

Influence of Earth's shadowing effects on space debris stability

Hubaux, C., Libert, A. S., Delsate, N. & Carletti, T., 2013, In : Advances in Space Research . 51, 1, p. 25-38 14 p.

Research output: Contribution to journalArticle

Space debris
space debris
Earth (planet)
Orbits
orbits

Modeling toxic stress by atrazine in a marine consumer-resource system

De Hoop, L., De Troch, M., Hendriks, A. J. & De Laender, F., 1 May 2013, In : Environmental Toxicology and Chemistry. 32, 5, p. 1088-1095 8 p.

Research output: Contribution to journalArticle

Atrazine
Poisons
Diatoms
atrazine
Copepoda
1 Downloads (Pure)

Modelling bioaccumulation of oil constituents in aquatic species

De Hoop, L., Huijbregts, M. A. J., Schipper, A. M., Veltman, K., De Laender, F., Viaene, K. P. J., Klok, C. & Hendriks, A. J., 1 Jan 2013, In : Marine Pollution Bulletin.

Research output: Contribution to journalArticle

Bioaccumulation
bioaccumulation
oils
oil
modeling

Models that ignore oil droplet uptake are sufficiently accurate to predict the bioaccumulation of oil-associated PAHs.

Viaene, K. P., Janssen, C. R., De Hoop, L., Hendriks, A. J. & De Laender, F., 1 Jan 2013, In : Communications in agricultural and applied biological sciences. 78, 1, p. 111-113 3 p.

Research output: Contribution to journalArticle

80 Downloads (Pure)

Nonlinear stepsize control, trust regions and regularizations for unconstrained optimization

Toint, P., 1 Feb 2013, In : Optimization Methods and Software. 28, 1, p. 82-95 14 p.

Research output: Contribution to journalArticle

File
Step-size Control
Trust Region
Unconstrained Optimization
Nonlinear Control
Regularization
1336 Downloads (Pure)

Observables in a lattice Universe: The cosmological fitting problem

Bruneton, J-P. & Larena, J., 21 Jan 2013, In : Class. Quantum Grav.. 30, 2, 025002.

Research output: Contribution to journalArticle

Open Access
File
universe
kinematics
void ratio
smoothing
spatial distribution

Oceanic tides

Simon, B., Lemaitre, A. & Souchay, J., 1 Dec 2013, In : Lecture Notes in Physics. 861, p. 83-114 32 p.

Research output: Contribution to journalArticle

tides
oceans
formulations
moon
sun
Trust Region Subproblem
Nonlinear Least Squares Problem
Gauss-Newton Method
Constrained Least Squares
Trust Region Method
28 Downloads (Pure)
Open Access
File
Nonlinear Least Squares Problem
Regularization Method
Constrained Optimization
Nonlinear Optimization
Regularization
Laplace
Lagrange
Hamiltonians
Long Term Evolution (LTE)
Motion

Particlelike distributions of the Higgs field nonminimally coupled to gravity

Füzfa, A., Rinaldi, M. & Schlögel, S., 17 Sep 2013, In : Physical review letters. 111, 121103, 121103.

Research output: Contribution to journalArticle

void ratio
monopoles
gravitation
energy
9 Downloads (Pure)
File
Penalized Least Squares
Nonlinear Least Squares Problem
Conjugate Gradient
Dual space
Preconditioning

Première description du regime alimentaire de Hippopotamus amphibius L. au Parc National de Loango (Gabon)

Michez, A., Doucet, J-L., Dendoncker, N., Bouché, P. & Vermeulen, C., 1 Jan 2013, In : Biotechnology, Agronomy and Society and Environment. 17, 4, p. 580-583 4 p.

Research output: Contribution to journalArticle

Artiodactyla
Gabon
Desmodium
regime
Paspalum

Random alliance networks

Roth, C., Gargiulo, F., Bringé, A. & Hamberger, K., Jul 2013, In : Social Networks. 35, 3, p. 394-405 12 p.

Research output: Contribution to journalArticle

Marriage
empirical method
kinship
marriage
experience
161 Downloads (Pure)

Synthetic population generation without a sample

Barthelemy, J. & Toint, P., 1 May 2013, In : Transportation Science. 47, 2, p. 266-279 14 p.

Research output: Contribution to journalArticle

File
aggregate data
Costs
Belgium
privacy
municipality

Testing instead of assuming the importance of land use change scenarios to model species distributions under climate change

Martin, Y., Van Dyck, H., Dendoncker, N. & Titeux, N., 1 Nov 2013, In : Global Ecology and Biogeography. 22, 11, p. 1204-1216 13 p.

Research output: Contribution to journalArticle

land use change
biogeography
land use
climate change
testing

The effect of rotation and tidal heating on the thermal lightcurves of super Mercuries

Selsis, F., Maurin, A. S., Hersant, F., Leconte, J., Bolmont, E., Raymond, S. N. & Delbo', M., 8 Jul 2013, In : Astronomy and Astrophysics. 555, A51.

Research output: Contribution to journalArticle

heating
extrasolar planets
dissipation
inertia
planets
32 Downloads (Pure)

The entropy of an acoustic black hole in Bose-Einstein condensates: transverse modes as a cure for divergences

Rinaldi, M., 1 Mar 2013, In : Int.J.Mod.Phys.D. 22, 4, 12 p., 1350016.

Research output: Contribution to journalArticle

File
Hydrodynamic Limit
Phonons
Bose-Einstein Condensate
condensate
Bose-Einstein condensates

The impact of Earth's shadow on the long-term evolution of space debris

Hubaux, C. & Lemaître, A., 1 May 2013, In : Celestial Mechanics and Dynamical Astronomy. 116, 1, p. 79-95 17 p.

Research output: Contribution to journalArticle

Space debris
space debris
Long Term Evolution (LTE)
Earth (planet)
orbital elements

The influence of orbital dynamics, shape and tides on the obliquity of Mercury

Noyelles, B. & Lhotka, C., 15 Dec 2013, In : Advances in Space Research. 52, 12, p. 2085-2101 17 p., 52.

Research output: Contribution to journalArticle

obliquity
Tides
tides
tide
orbitals
107 Downloads (Pure)

The Leviathan model: Absolute dominance, generalised distrust and other patterns emerging from combining vanity with opinion propagation

Deffuant, G., Carletti, T. & Huet, S., 31 Jan 2013, In : JASSS. 16, 1, p. 1-28

Research output: Contribution to journalArticle

File
Small-world networks
Dynamic models
interaction
Values
38 Downloads (Pure)

The rotation of Io predicted by the Poincaré-Hough model

Noyelles, B., 1 Mar 2013, In : Icarus. 223, 1, p. 621-624 4 p.

Research output: Contribution to journalArticle

File
Io
libration
fluid
degrees of freedom
fluids

Tidal dissipation and eccentricity pumping: Implications for the depth of the secondary eclipse of 55 Cancri e

Bolmont, E., Selsis, F., Raymond, S. N., Leconte, J., Hersant, F., Maurin, A. S. & Pericaud, J., 31 Jul 2013, In : Astronomy and Astrophysics. 556, A17.

Research output: Contribution to journalArticle

eclipses
eccentricity
planets
dissipation
pumping
2 Downloads (Pure)

Toxicity data for modeling impacts of oil components in an Arctic ecosystem

Olsen, G. H., Klok, C., Hendriks, A. J., Geraudie, P., De Hoop, L., De Laender, F., Farmen, E., Grøsvik, B. E., Hansen, B. H., Hjorth, M., Jansen, C. R., Nordtug, T., Ravagnan, E., Viaene, K. & Carroll, J., 1 Sep 2013, In : Marine Environmental Research. 90, p. 9-17 9 p.

Research output: Contribution to journalArticle

Bioaccumulation
endpoints
Ecosystems
Fish
Toxicity

Traumatic brain injury impairs small-world topology

Pandit, A. S., Expert, P., Lambiotte, R., Bonnelle, V., Leech, R., Turkheimer, F. E. & Sharp, D. J., 14 May 2013, In : Neurology. 80, 20, p. 1826-1833 8 p.

Research output: Contribution to journalArticle

Cognition
Diffusion Tensor Imaging
Gyrus Cinguli
Brain
Magnetic Resonance Imaging
1 Downloads (Pure)

Using additive modelling to quantify the effect of chemicals on phytoplankton diversity and biomass

Viaene, K. P. J., De Laender, F., Van Den Brink, P. J. & Janssen, C. R., 1 Apr 2013, In : Science of the Total Environment. 449, p. 71-80 10 p.

Research output: Contribution to journalArticle

Phytoplankton
Biodiversity
Linuron
Biomass
phytoplankton

Whole sediment toxicity tests for metal risk assessments: On the importance of equilibration and test design to increase ecological relevance

Vandegehuchte, M. B., Nguyen, L. T. H., De Laender, F., Muyssen, B. T. A. & Janssen, C. R., 1 May 2013, In : Environmental Toxicology and Chemistry. 32, 5, p. 1048-1059 12 p.

Research output: Contribution to journalArticle

Toxicity Tests
toxicity test
Risk assessment
Toxicity
Sediments
2012
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
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