NAXYS Seminar

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  • Alexis Coyette (UNamur)

    E25

    Title: Modeling the rotation of Titan Abstract: Observation of the rotation of synchronously rotating satellites can help to probe their interior. We …

  • Germain Van Bever (UNamur)

    E25

    Title: Symmetric Component Analysis and Functional Independent Component Analysis Abstract: With the increase in measurement precision, functional data is becoming common practice. …

  • Thomas Parmentier (UGhent)

    E25

    Title: Ants and their associates as a model system to test host-symbiont network dynamics Abstract: An extremely large number of organisms engage …

  • Fabian Bastin (Université de Montréal)

    E25

    Title: Staffing optimization in call centers Abstract: Call centers are prominent in modern life, and labor intensive. We aim to determine the …

  • Martin Gueuning (UNamur)

    E25

    Title: Information Diffusion on Twitter: exploiting the timings of Retweets Abstract: Online social networks such as Twitter have emerged as influential platforms …

  • Ines Wilms (Maastricht University, Netherlands)

    E25

    Title: Multi-class Vector AutoRegressive Models for Multi-Market Commodity Data Abstract: Vector AutoRegressive (VAR) models form a special case of multivariate regression models …

  • Anna Kiriliouk (UNamur)

    E25

    Title: Climate event attribution using multivariate peaks-over-thresholds modelling Abstract: Quantifying the human influence on climate change and identifying potential causes is a …

  • Oscar Godoy (University of Cádiz, Spain)

    E25

    Title: Functional and multitrophic mechanisms of species coexistence Abstract: Ecologists have been investigating for decades the mechanisms that maintain the diversity of …

  • Joni Virta (Aalto University, Helsinki, Finland)

    E25

    Title: Statistical properties of second-order tensor decompositions Authors: Joni Virta, Christoph Kösner, Niko Lietzén, Klaus Nordhausen Abstract: Two classical tensor decompositions are …

  • Pauline Thémans (UNamur)

    E25

    Title: Pharmacokinetic modeling and strategies for drug dosing recommendation: application to meropenem Abstract: Pharmacokinetics (PK) studies the link between the dose and …

  • Hamza Bennani (University Paris Nanterre)

    E25

    Titre: Does a Sentiment Shock Help to Predict Monetary Policy: Evidence from the ECB Abstract: This paper aims to assess whether sentiment …

  • Anthony Hastir (UNamur)

    E25

    Title: On stability and control of nonlinear infinite-dimensional systems Abstract: We consider nonlinear dynamical systems whose state evolves in an infinite-dimensional space, …

  • Riccardo Muolo (UNamur)

    E25

    Title: Effects of Non-normality on Turing Instability Abstract: Turing mechanism describes the emergence of spatial patterns in a reaction-diffusion system of two …

  • Elias Fernández (VUB)

    E25

    Title: Uncertain times promote polarisation and reciprocation in a public goods game with risky commons Abstract: Anthropogenic climate change, public health measures …

  • Yoshihiko Susuki (Osaka Prefecture University)

    E25

    Title: Koopman resolvent and Laplace-domain analysis of nonlinear autonomous dynamical systems Abstract: The motivation of the research is to establish a Laplace-domain …

  • William Polycarpe (IMCCE, France)

    E25

    Title: Iapetus, the key to the whole system ? Abstract : Iapetus possesses all the attributes and characteristics of the whole system …

  • Giovanni Reina (University of Sheffield, UK)

    E25

    Title: Collective Decision Making: From Bees to Robots via Multiscale Modelling Abstract: I will give an overview of my studies on collective …

  • Jérôme Daquin (UNamur)

    E22

    Title: Aspects of the secular dynamics of terrestrial orbits Abstract: The threat raised by space debris has vivified long-term studies of terrestrial …

  • Jean Teyssandier (Université de Namur)

    Title: An overview of astrophysical disc dynamics Astrophysical discs appear at all scales in the Universe, from rings around planets to galactic discs. …

  • Maxime Lucas (Aix-Marseille University, France)

    Title: The cell cycle as a temporal network of protein interactions Biological systems often operate over multiple timescales and their temporal organisation is …

  • Valentin Delchevalerie (Université de Namur)

    Title: Accelerating t-SNE using the Particle-Mesh Algorithm from Physics t-Distributed Stochastic Neighbor Embedding (t-SNE) is a well-known dimensionality reduction technique used for the …

  • Luca Gamberi (King’s College London, UK)

    Title: Maximal modularity and the optimal size of parliaments: how big should your parliament be? An important question in representative democracies is how …

  • Nicolas Herman (Université de Namur)

    Title : Detecting High-Frequency Gravitational Waves with Resonant Electromagnetic Detectors    In this talk the possibility to detect gravitational waves (GW) from planetary-mass primordial …

  • Camille Carpentier (Université de Namur)

    Title: Using degree distribution of ecological networks to predict their responses to random and targeted species removals Facing the current biodiversity crisis, …

  • Jeong Min Jeon (KU Leuven & Université de Namur)

    Title: Deconvolution estimation on hypersphere This paper considers nonparametric estimation with contaminated data observed on the unit hypersphere $S^d$. For such data, …

  • Frederik De Laender (Université de Namur)

    The seminar will take place in person, Room S08, Faculty of Sciences Title: Predicting the impact of environmental change on coexistence I introduce …

  • Candy Sonveaux (Université de Namur)

    Title:  "Vaccination strategy design by a state-feedback control for an Age-Dependent epidemiologic model" An age-dependent SIR epidemic model is studied with an …

  • Marvyn Gulina (Université de Namur)

    Title: Spectral identification of networks with generalized diffusive coupling Spectral network identification aims at inferring the eigenvalues of the Laplacian matrix of …

  • Matteo Romano (Université de Namur)

    Title: Studying the topology of the space population using networks Abstract: With more than 23.000 tracked objects orbiting Earth, satellite operators find …

  • Ahmed Almansoori (Université de Namur)

    Title: On the evolution of mechanisms for collective decision making in a swarm of robots Abstract - A swarm of robots can collectively …

  • Corbinian Schlosser (LAAS-CNRS, Toulouse, France)

    Title: Koopman and Perron-Frobenius operators on reproducing kernel Hilbert spaces Abstract: Koopman operators and reproducing kernel Hilbert spaces (RKHS) share a common …

  • Pascal Jerono (University of Namur)

    Title: Observer and control design for cell population models of yeast fermentation processes Abstract: In bioreactors, the lack of available online process …

  • Jeongjin Lee (University of Namur)

    Title: Partial Tail Correlation for Extremes Abstract: We develop a method for investigating conditional extremal relationships between variables. We consider an inner …

  • Manu Stalport (Geneva University, Switzerland)

    Title: A calibration of chaos for the refinement of planetary systems Abstract: The observed diversity of planetary systems raises questions that challenge …

  • Philippe Toint (University of Namur)

    Title: Recent topics in complexity for nonconvex optimization problems Abstract: The talk will review results on the evaluation complexity of algorithms for …

  • Christian Mugisho Zagabe (University of Namur)

    Title: Lie-algebraic condition for uniform stability of switched nonlinear systems: Construction of a common Lyapunov function by the Koopman operator approach. Abstract: Switched systems consist …

  • Ariane Courtot (IMCCE, France)

    Title: Chaos in the Geminid Meteoroid stream Abstract: Meteor showers originate from a parent body (an asteroid or a comet). This parent …

  • Johan SEGERS (UCLouvain)

    Title: Graphical and uniform consistency of estimated optimal transport plans Abstract: A general theory is provided delivering convergence of maximal cyclically monotone …

  • Sylvério Pool Marquez (University of Namur)

    Title: Impact of mixed-variable management by probability features in an Evolutionary Algorithm Abstract: The management of mixed variables, i.e., of different natures …

  • Lorena Ballesteros Ferraz (University of Namur)

    Title: Geometrical and non-normal properties of weak values Authors: Lorena Ballesteros Ferraz, Dominique Lambert, Timoteo Carletti, Riccardo Muolo,and Yves Caudano Abstract: Quantum …

  • Enoch Yeung (UC Santa Barbara (UCSB), USA)

    Title: Data-Driven State Criticality and Observability with Koopman Operator Methods Abstract: I will present two major results to show the use of …

  • André Füzfa (UNamur)

    Title: Fundamentals of relativistic astrodynamics and rocketry Abstract: Astrodynamics traditionally denotes the study of controlled flight paths of human-made spacecraft (Kaplan, 1976). …

  • Morine Delhelle (UCLouvain)

    Title : Copula based dependent censoring in cure models with covariates Abstract : In survival data analysis, datasets with both a cure fraction (individuals …

  • Michaël Fanuel (Université de Lille)

    Title : Sparsification of the magnetic Laplacian with statistical guarantees Abstract :   Laplacian matrices are discrete analogues of Laplacian differential operators, …

  • Jean-Charles Delvenne (UCLouvain)

    Title : Markov chains, transport theory and statistical physics Abstract : We look at the following motivating problem: how to move an …

  • Valentin Delchevalerie (UNamur)

    Title : SO(2) and O(2) Equivariance in Image Recognition with Bessel-Convolutional Neural Networks Abstract : For many years, it has been shown …

  • Benoît Bonnet-Weill (CNRS)

    Title : A Set-Valued Approach to Koopman Operators for Control Systems Abstract : In this talk, I will present a new approach …

  • Jean-François de Kemmeter (UNamur)

    Title : Random walks on networks with limiting nodes carrying capacities Abstract : Over the last years, network science has emerged as …

  • Williams Dhelonga (UNamur)

    Title : Exploring Weak measurements within the Einstein-Dirac Cosmological framework. Abstract : Our study applies the Two-State Formalism alongside weak measurements within …

  • Corbinian Schlösser (INRIA Paris)

    Title : Identifying low dimensional systems from high dimensional observations Abstract : Motivated by the increasing availability of motion data through multiple …

  • Keisuke Taga (Waseda University)

    Title : Nonlinear pattern formation of tape peeling Abstract : When we look closely at the peel front of the adhesives, we …

  • Riccardo Muolo (Tokyo Institute of Technology)

    Title : A general theory of phase reduction for systems with higher-order interactions Abstract: Synchronization is a ubiquitous emergent phenomenon in which …

  • Christian Bick (VU Amsterdam)

    Title : Higher-order Interaction Networks: Phase Reduction, Synchronization, and Global Dynamics  Abstract : Synchronization is a fascinating effect of the interaction between …

  • Serge Gratton (Toulouse INP)

    Title : Adaptive regularization algorithms for Objective-Function-Free Optimization Abstract : This work is about the fastest known optimization method in terms of …

  • Maxime Lucas (UNamur/UCLouvain)

    Title : Of higher-order interactions, whales, and fungi Abstract :  The strength of dynamical systems and network models lies in their ability …

  • Hidemasa Ishii (University of Tokyo)

    Title : Employing dynamical modeling to understand complex phenomena: from interacting bistable systems to football ball possession Abstract : I have been …

  • Yusuke Kato (University of Tokyo)

    Title : Introduction of two studies: (1) analysis of oscillation quenching by periodic perturbation and (2) parameter estimation of Kuramoto model Abstract …

  • Corentin Bisot (VU Amsterdam)

    Title : Transport logistics in a growing fungal network  Abstract : Branching forms are ubiquitous in nature and evolved repeatedly throughout evolution. …

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