Namur Institute for Complex Systems

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Research Output 1977 2019

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2019
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genetic algorithms
engineering
optimization
mutations
escape

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

Training Algorithm
Derivatives
Derivative-free
Integer
Benchmarking
1 Downloads (Pure)
Open Access
File
wire
news
completeness
linear systems
electronics
Neurosciences
Causality
Mental Health
Research Personnel

Coupling between the spin precession and polar motion of a synchronously rotation satellite: application to Titan

Baland, R-M., Coyette, A. & Van Hoolst, T., Feb 2019, In : Celest. Mech. & Dyn. Astr.. 131, 11

Research output: Contribution to journalArticle

Open Access
Serine
Enzymes
Phosphoserine
Molecular Dynamics Simulation
Glycine

Dynamical exploration of the repertoire of brain networks at rest is modulated by psilocybin

Lord, L. D., Expert, P., Atasoy, S., Roseman, L., Rapuano, K., Lambiotte, R., Nutt, D. J., Deco, G., Carhart-Harris, R. L., Kringelbach, M. L. & Cabral, J., 1 Oct 2019, In : NeuroImage. 199, p. 127-142 16 p.

Research output: Contribution to journalArticle

Psilocybin
Brain
Mental Processes
Hallucinogens
Functional Neuroimaging

Identification of the invasive form of Corbicula clams in Ireland

Sheehan, R., Etoundi, E., Minchin, D., Van Doninck, K. & Lucy, F., 1 Aug 2019, In : Water (Switzerland). 11, 8, 1652.

Research output: Contribution to journalArticle

Open Access
File
Corbicula
Bivalvia
clams
Ireland
Microsatellite Repeats
2 Downloads (Pure)

Influence of fake news in Twitter during the 2016 US presidential election

Bovet, A. & Makse, H. A., 2 Jan 2019, In : Nature Communications. 10, 1, p. 7 7 p., 7.

Research output: Contribution to journalArticle

Open Access
File
Spreaders
news
Information Services
Causality
outlets
molecular dynamics
narcotics
Opioid Receptors
Molecular Dynamics Simulation
Molecular dynamics

Modeling the Sensitivity of Aquatic Macroinvertebrates to Chemicals Using Traits

Van Den Berg, S. J. P., Baveco, H., Butler, E., De Laender, F., Focks, A., Franco, A., Rendal, C. & Van Den Brink, P. J., 21 May 2019, In : Environmental Science and Technology. 53, 10, p. 6025-6034 10 p.

Research output: Contribution to journalArticle

Open Access
macroinvertebrate
modeling
ecotoxicology
Life cycle
Animals

Multiscale dynamical embeddings of complex networks

Schaub, M. T., Delvenne, J. C., Lambiotte, R. & Barahona, M., 20 Jun 2019, In : Physical Review E. 99, 6, 18 p., 062308.

Research output: Contribution to journalArticle

Complex Networks
embedding
Control Theory
control theory
Vertex of a graph

Numerical testing by a transfer-matrix technique of Simmons' equation for the local current density in metal-vacuum-metal junctions

Mayer, A., Mousa, M., Hagmann, M. & Forbes, R., 2019, In : Jordan Journal of Physics. 12, 1, p. 63-77 10 p.

Research output: Contribution to journalArticle

Open Access
File
potential energy
current density
vacuum
metals
approximation
Open Access
universe
big bang cosmology
gold
Jordan
axioms

Optimality of orders one to three and beyond: Characterization and evaluation complexity in constrained nonconvex optimization

Cartis, C., Gould, N. I. M. & Toint, P., 10 Aug 2019, In : Journal of Complexity. 53, p. 68-94 32 p.

Research output: Contribution to journalArticle

Open Access
File
Nonconvex Optimization
Constrained optimization
Constrained Optimization
Optimality
Criticality
2 Downloads (Pure)

Partially separable convexly-constrained optimization with non-Lipschitzian singularities and its complexity

Chen, X., Toint, P. & Wang, H., 15 Apr 2019, In : SIAM Journal on Optimization. 29, 1, p. 874-903 30 p.

Research output: Contribution to journalArticle

Open Access
File
Constrained optimization
Constrained Optimization
Singularity
Objective function
Regularization

Patterns of non-normality in networked systems

Muolo, R., Asllani, M., Fanelli, D., Maini, P. & Carletti, T., 8 Jul 2019, In : Journal of Theoretical Biology. 480, p. 81-91 11 p.

Research output: Contribution to journalArticle

Open Access
File
Non-normality
diffusivity
Turing Instability
Directed Network
Pattern Formation

Racing thoughts revisited: A key dimension of activation in bipolar disorder

Weiner, L., Ossola, P., Causin, J. B., Desseilles, M., Keizer, I., Metzger, J. Y., Krafes, E. G., Monteil, C., Morali, A., Garcia, S., Marchesi, C., Giersch, A., Bertschy, G. & Weibel, S., 1 Aug 2019, In : Journal of affective disorders. 255, p. 69-76 8 p.

Research output: Contribution to journalArticle

Bipolar Disorder
Depression
Anxiety
Aptitude
Surveys and Questionnaires
Supervised learning
Robustness (control systems)
Parameter estimation
Feature extraction
Computational complexity
8 Downloads (Pure)

Reactive explorers to unravel network topology

Adam, I., Fanelli, D., Carletti, T. & Innocenti, G., 8 May 2019, In : European Physical Journal B. 92, 99

Research output: Contribution to journalArticle

Open Access
File
Relocation
Network Topology
topology
Topology
Modulation
15 Downloads (Pure)

Resilience for stochastic systems interacting via a quasi-degenerate network

Nicoletti, S., Fanelli, D., Zagli, N., Asllani, M., Battistelli, G., Carletti, T., Chisci, L., Innocenti, G. & Livi, R., 1 Aug 2019, In : Chaos: an interdisciplinary journal of nonlinear science. 29, 8, 11 p., 083123.

Research output: Contribution to journalArticle

Open Access
File
resilience
Stochastic systems
Resilience
Stochastic Systems
Amplification
Open Access
Random walk
Random processes
Dynamic Contact
Waiting Time Distribution
Random process

Simplicial complexes and complex systems

Salnikov, V., Cassese, D. & Lambiotte, R., 1 Jan 2019, In : European Journal of Physics. 40, 1, 014001.

Research output: Contribution to journalArticle

complex systems
cavities
interactions

Stressor fluxes alter the relationship between beta-diversity and regional productivity

De Raedt, J., Baert, J. M., Janssen, C. R. & De Laender, F., 1 Jan 2019, In : OIKOS. 50 p.

Research output: Contribution to journalArticle

herbicides
algae
productivity
ecosystems
organisms

Temporal Sequence of Retweets Help to Detect Influential Nodes in Social Networks

Bhowmick, A. K., Gueuning, M., Delvenne, J. C., Lambiotte, R. & Mitra, B., 1 Jun 2019, In : IEEE Transactions on Computational Social Systems. 6, 3, p. 441-455 15 p., 8692729.

Research output: Contribution to journalArticle

Social Networks
social network
Vertex of a graph
Anchors
twitter

The 3D secular dynamics of radial-velocity-detected planetary systems

Volpi, M., Roisin, A. & Libert, A-S., 2019, In : Astronomy and Astrophysics. 626, id.A74, 10 p.

Research output: Contribution to journalArticle

The dimensionality of stability depends on disturbance type

Radchuk, V., Laender, F. D., Cabral, J. S., Boulangeat, I., Crawford, M., Bohn, F., Raedt, J. D., Scherer, C., Svenning, J. C., Thonicke, K., Schurr, F. M., Grimm, V. & Kramer-Schadt, S., 1 Apr 2019, In : Ecology Letters. 22, 4, p. 674-684 11 p.

Research output: Contribution to journalArticle

disturbance
ecosystems
ecological stability
species diversity
ecosystem

Universal regularization methods: varying the power, the smoothness and the accuracy

Cartis, C., Gould, N. I. & Toint, P. L., 1 Jan 2019, In : SIAM Journal on Optimization. 29, 1, p. 595-615 21 p.

Research output: Contribution to journalArticle

Regularization Method
Smoothness
Convergence of Algorithms
Trust Region
Nonconvex Optimization
3 Downloads (Pure)

Universal regularization methods -- varying the power, the smoothness and the accuracy

Cartis, C., Gould, N. I. M. & Toint, P., 6 Mar 2019, SIAM Journal on Optimization, 29, 1, p. 595-615.

Research output: Contribution to specialist publicationArticle

Open Access
File
Regularization Method
Smoothness
Regularization
Exponent
Gradient vector
2018
10 Downloads (Pure)
Open Access
File
group velocity
electromagnetic fields
photonics
Maxwell equation
crystals
9 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
8 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
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
Open Access
Global optimization
Evolutionary algorithms
Function evaluation
Costs

Biodiversity effects on ecosystem functioning respond unimodally to environmental stress

Baert, J., Eisenhauer, N., JANSSEN, C. & De Laender, F., 1 Aug 2018, In : Ecology Letters. 21, 8, p. 1191-1199 9 p.

Research output: Contribution to journalArticle

environmental stress
biodiversity
ecosystems
ecosystem
environmental conditions

Bottom-up and top-down control of dispersal across major organismal groups

Fronhofer, E., Legrand, D., Altermatt, F., Ansart, A., Blanchet, S., Bonte, D., Chaine, A., Dahirel, M., De Laender, F., De Raedt, J., di Gesu, L., Jacob, S., Kaltz, O., Laurent, E., Little, C. J., Madec, L., Manzi, F., Masier, S., Pellerin, F., Pennekamp, F. & 5 othersSchtickzelle, N., Therry, L., Vong, A., Winandy, L. & Cote, J., 1 Dec 2018, In : Nature Ecology and Evolution. 2, 12, p. 1859-1863 5 p.

Research output: Contribution to journalArticle

top-down control
bottom-up control
vertebrate
ecology
modeling

Community- and ecosystem-level effects of multiple environmental change drivers: Beyond null model testing

De Laender, F., 1 Nov 2018, In : Global Change Biology. 24, 11, p. 5021-5030 10 p.

Research output: Contribution to journalArticle

Ecosystems
environmental change
ecosystem
Testing
Biodiversity

Contrasting indirect effects of an ant host on prey–predator interactions of symbiotic arthropods

Parmentier, T., De Laender, F., Wenseleers, T. & Bonte, D., 1 Dec 2018, In : Oecologia. 188, 4, p. 1145-1153 9 p.

Research output: Contribution to journalArticle

arthropod
ant
arthropods
Formicidae
symbiont
18 Downloads (Pure)
File
mathematics
research practice
entropy
knowledge
death

Cross-country information transmissions and the role of commodity markets: a multichannel Markov switching approach

Dahlqvist, C-H., 16 Aug 2018, In : PLoS ONE. 13, 8, p. e0202251 e0202251.

Research output: Contribution to journalArticle

products and commodities
markets
Causality
Conveying
Time series
11 Downloads (Pure)

Desynchronization induced by time-varying network

Lucas, M., Fanelli, D., Carletti, T. & Petit, J., 10 May 2018, In : Europhysics Letters: a letters journal exploring the frontiers of physics . 121, 5, p. 50008p1-p7 7 p., 50008.

Research output: Contribution to journalArticle

Open Access
File
death
theorems
oscillators
analogs
modulation
22 Downloads (Pure)

Determining the number of layers in few-layer graphene by combining Raman spectroscopy and optical contrast

Bayle, M., Reckinger, N., Felten, A., Landois, P., Lancry, O., Dutertre, B., Colomer, J. F., Zahab, A. A., Henrard, L., Sauvajol, J. L. & Paillet, M., 2018, In : Journal of Raman Spectroscopy. 49, 1, p. 36 - 45 10 p.

Research output: Contribution to journalArticle

File
Graphite
Graphene
Raman spectroscopy
Silicon
Lasers
1 Downloads (Pure)

Effects of a herbicide and copper mixture on the quality of marine plankton

Filimonova, V., De Troch, M., Gonçalves, F., Marques, J. C., Marques, S. M., Gonçalves, A. M. M. & De Laender, F., 30 Jul 2018, In : Ecotoxicology and Environmental Safety. 156, p. 9-17 9 p.

Research output: Contribution to journalArticle

Plankton
Copepoda
Diatoms
Herbicides
Copper

Exploring cosmic origins with CORE: The instrument

CORE & Clesse, S., 5 Apr 2018, In : Journal of Cosmology and Astroparticle Physics. 2018, 4, p. 15 015.

Research output: Contribution to journalArticle

polarization
apertures
telescopes
sensitivity
space missions

Exploring cosmic origins with CORE: Cosmological parameters

CORE & Clesse, S., 5 Apr 2018, In : Journal of Cosmology and Astroparticle Physics. 2018, 4, 017.

Research output: Contribution to journalArticle

forecasting
physics
astrophysics
universe
microwaves
7 Downloads (Pure)
Open Access
File
financial institutions
Industry
stock exchange
markets
industry