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X-WR-CALNAME:Namur Institute For Complex Systems
X-ORIGINAL-URL:https://www.naxys.be
X-WR-CALDESC:Events for Namur Institute For Complex Systems
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BEGIN:VEVENT
DTSTART;VALUE=DATE:20240905
DTEND;VALUE=DATE:20240906
DTSTAMP:20260528T231427
CREATED:20240821T074925Z
LAST-MODIFIED:20240905T100021Z
UID:2173-1725494400-1725580799@www.naxys.be
SUMMARY:naXys Research Day
DESCRIPTION:The naXys Research Day takes place at La Bergerie de Lives (100 rue de Mosanville\, 5000 Namur). \nSchedule\n13.00-13.30 Welcome  and words of the President\, A.-S. Libert \n13.30-13.45 Meet Jeanick Pignolet\, Executive assistant \n13.45-14.30 Flash talks  (3 minutes / 3 slides)  by naXys PhD students \n14.30-15.15 Design the research poles – SPACE | BIO | OPTICS | AI | ECO | ROBUST \n15.15-15.30 Feedback  \nCOFFEE BREAK (15.30 – 16.10) \n16.10-17.50 Interdisciplinary talks (15′ + 5′) by naXys post-docs and PI \n17.50-18.00 Conclusion \nCOCKTAIL DINNER (18.00) \nProgram\nFLASH TALKS  \n\nAlexandru Caliman\, Long-term stability of planetary systems\nArunima Sidker\, Stress echoes: how past environments shape population responses to future stress\nAntoine Hubermont\, Predictive maintenance as a multi label classification problem\nBaptiste Perez Riaza\, Empirical insights into crypto-assets using network inference\nCharles Modera\, Generation of High-Frequency Gravitational Waves Using Resonant Cavities\nDavoud Alahvirdi\, Traffic monitoring and management by swarm of drone\nFrançois-Grégoire Bierwart\, Koopman-based framework for stability analysis of dynamical systems\nJulien Pietquin\, Urban traffic networks with unmanned aerial vehicules\nLoic Warscotte\, Weighing vehicules with piezo material\nMarie Dorchain\, Turing patterns on higher-order structures\nMartin Moriamé\, Control of synchronization in Higher-order networks\nNemanja Antonic\, BABOTS: the design and control of biological animal robots\nNicolas Roy\, Surrogate-Assisted Heuristic Optimization in Photonic Device Engineering\nWilliams Dhelonga\, Probing the universe with the light sail or the Einstein Dirac fermions\nYun Li\, Biodiversity shifts mediate global change effects on trophic pyramids\n\n  \nINTERDISCIPLINARY TALKS \n\nAlexis Coyette\, JUICE – Constraining the interior of the Galilean Moons\nGonzalo Marcello Ramirez-Avila\, Modeling posible chronobiological strategies for improving radiotherapy treatments\nJean-Yves Gnabo\, Climate Risk Exposure : A Comparative Analysis of Sustainable and Conventional Funds\nMaxime Boucher\, On directional runs and their local and asymptotic properties\nMohammed Alkhateeb\, Tunneling time problem in relativistic quantum field theory
URL:https://www.naxys.be/event/naxys-research-day-2024/
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20240909
DTEND;VALUE=DATE:20240914
DTSTAMP:20260528T231427
CREATED:20240821T075509Z
LAST-MODIFIED:20240821T075524Z
UID:2179-1725840000-1726271999@www.naxys.be
SUMMARY:Mathematics for Industry 2024
DESCRIPTION:Study week Mathematics for Industry 2024\nFrom 9 to 13 September 2024\, the Belgian network BE-MATHS-IN on applied mathematics for industry and innovation\, which gathers applied mathematical researchers at all Belgian universities\, organizes its third Belgian study week “Mathematics for Industry”\, which will be held at the TRAKK co-working center in Namur. \nThe Mathematics for Industry study week is an intensive problem-solving workshop that brings together young researchers\, postdocs\, scientists and industrialists. In the course of one week\, small groups of researchers of different backgrounds will intensively brainstorm and work together to model and solve real-world challenges provided by industry. On Monday\, each company representative presents their problem\, after which the participants choose a problem to work on for the remainder of the week along with the industrial partner. On Friday morning\, each group presents their solution to the chosen problem. \nThe study week warmly welcomes a broad scientific audience: from applied and computational sciences (applied mathematics\, engineering\, statistics\, …) to pure sciences (mathematics\, physics\, chemistry\, biology\, …). \nMore information : https://be-maths-in.be/mfi24/
URL:https://www.naxys.be/event/mathematics-for-industry-2024/
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20240911
DTEND;VALUE=DATE:20240914
DTSTAMP:20260528T231427
CREATED:20240821T075330Z
LAST-MODIFIED:20240821T075346Z
UID:2176-1726012800-1726271999@www.naxys.be
SUMMARY:WIVACE Workshop 2024
DESCRIPTION:XVIII International Workshop on Artificial Life and Evolutionary Computation\nNamur\, Belgium\, 11-13 September 2024\nThe International Workshop on Artificial Life and Evolutionary Computation aims at bringing together researchers to present and share their results and ideas in a multidisciplinary context. The workshop provides a forum for the discussion of new research directions and applications in Artificial Life\, Evolutionary Computation and in related fields\, where different disciplines and research areas could effectively meet. \nMore information : https://events.info.unamur.be/wivace2024/index.html
URL:https://www.naxys.be/event/wivace-2024/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Brussels:20240918T130000
DTEND;TZID=Europe/Brussels:20240918T140000
DTSTAMP:20260528T231427
CREATED:20240729T174819Z
LAST-MODIFIED:20240822T130014Z
UID:2166-1726664400-1726668000@www.naxys.be
SUMMARY:Keisuke Taga (Waseda University)
DESCRIPTION:Title : Nonlinear pattern formation of tape peeling \nAbstract : \nWhen we look closely at the peel front of the adhesives\, we can find two kinds of structures. One of them is a tunnel structure which can be found in slow peeling. Then for fast peeling\, the tunnel structure collapses and a without tunnel structure occurs . And at the intermediate peel speed\, these two structures switch chaotic. From the experimental observation\,this chaotic switching gives Sierpinski-gasket like fractal random patterns in the peel trace of the adhesive tapes[1].\n\nIn this talk\, I introduce a model for the pattern formation of the peel trace by considering the deformation of the peel front based on the Newton equation\, then we compare its scaling properties to the previous experimental result [2].\n\n[1] Y. Yamazaki and A. Toda\, Physica D 214 120 (2006).\n[2] K. Taga and Y. Yamazaki\, J. Phys. Soc. Jpn.\, 92\, 4\, 043001 (2023).\n\nThe seminar will take place in Room S08 at the Faculty of Sciences.
URL:https://www.naxys.be/event/keisuke-taga-waseda-university/
CATEGORIES:NAXYS Seminar
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BEGIN:VEVENT
DTSTART;TZID=Europe/Brussels:20240919T130000
DTEND;TZID=Europe/Brussels:20240919T133000
DTSTAMP:20260528T231427
CREATED:20240518T091027Z
LAST-MODIFIED:20240919T083355Z
UID:2154-1726750800-1726752600@www.naxys.be
SUMMARY:Riccardo Muolo (Tokyo Institute of Technology)
DESCRIPTION:Title : A general theory of phase reduction for systems with higher-order interactions \nAbstract:\n\nSynchronization is a ubiquitous emergent phenomenon in which an ensemble of elementary units behaves in unison due to their interactions [1]. Given the pervasiveness of synchronization\, understanding how it is achieved is a fundamental question. In particular\, the nature of the interactions among oscillators has strong consequences on the transition to synchronization. To tackle this issue\, it is convenient to consider phase models in which each oscillator is described solely in terms of a phase variable. According to phase reduction theory\, the phase model captures the dynamics completely when the coupling among the oscillators is sufficiently weak [2]. If one considers only pairwise interactions\, the synchronization transition is described by the Kuramoto-type model. Despite the versatility of such an approach\, the classical theory of synchronization is solely based on pairwise interactions\, while\, in many natural systems\, the interactions are intrinsically higher-order (many-body) rather than pairwise [3]. In fact\, many examples show that a pairwise description is sufficient not to match the theory with observations and\, additionally\, higher-order interactions appear naturally when phase reduction is performed up to higher orders [4]. It was also shown that extensions of the Kuramoto model including higher-order interactions exhibit an explosive transition and other interesting dynamics [5].\n\nThis seminar will be divided in two parts. In the first part\, I will introduce the phase reduction theory and highlight the universality of phase models and the generality of the approach\, especially when compared to the Master Stability Function [6]. Then\, after discussing the basics of higher-order interactions\, I will present a recent work where we analyzed the collective dynamics of the simplest minimal extension of the Kuramoto-type phase model for identical globally coupled oscillators subject to two- and three-body interactions and showed how the many-body interactions greatly enriches the behaviors of the system [7]. Lastly\, I will show some preliminary results for some general cases\, one where the coupling is not constrained to the all-to-all case [8] and the other in which the phase reduction cannot be performed analytically [9].\nThis is a joint work with Hiroya Nakao (Tokyo Institute of Technology\, Japan)\, Iván León (Universidad de Cantabria\, Spain) and Shigefumi Hata (Kagoshima University\, Japan)\n\nReferences\n[1] Kuramoto Y.\, Chemical Oscillations\, Waves\, and Turbulence. Springer-Verlag\, 1984.\n[2] Nakao H.\, Phase reduction approach to synchronisation of nonlinear oscillators. Cont. Phys.\, 57(2): 188-214\, 2016.\n[3] Battiston F. et al.\, Networks beyond pairwise interactions: Structure and dynamics. Phys. Rep.\, 84: 1-92\, 2020.\n[4] León I. and Pazó D.\, Phase reduction beyond the first order: The case of the mean-field complex Ginzburg-Landau equation. Phys. Rev. E\, 100(1): 012211\, 2019.\n[5] Skardal P.S. and Arenas A.\, Abrupt Desynchronization and Extensive Multistability in Globally Coupled Oscillator Simplexes. Phys. Rev. Lett.\, 122(84): 248301\, 2019.\n[6] Fujisaka\, H.\, and Yamada\, T.\, Stability theory of synchronized motion in coupled-oscillator systems. Prog. Theor. Phys.\, 69(1)\, 32-47\, 1983.\n[7] León I.\, Muolo R.\, Hata S. and Nakao H.\, Higher-order interactions induce anomalous transitions to synchrony. To appear in Chaos\, Dec 2023.\n[8] Muolo R.\, León I.\, Hata S. and Nakao H.\, Phase Reduction Analysis of Collective Dynamics in Systems of Coupled Oscillators with Higher-Order Interactions. In preparation.\n[9] Muolo R. and Nakao H.\, A general framework to study spiking neurons coupled through higher-order interactions. In preparation.\n\n\nThe seminar will take place in Room S08 at the Faculty of Sciences.
URL:https://www.naxys.be/event/riccardo-muolo-tokyo-institute-of-technology/
CATEGORIES:NAXYS Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Brussels:20240919T133000
DTEND;TZID=Europe/Brussels:20240919T140000
DTSTAMP:20260528T231427
CREATED:20240311T155723Z
LAST-MODIFIED:20240919T083342Z
UID:2123-1726752600-1726754400@www.naxys.be
SUMMARY:Christian Bick (VU Amsterdam)
DESCRIPTION:Title : Higher-order Interaction Networks: Phase Reduction\, Synchronization\, and Global Dynamics  \nAbstract : Synchronization is a fascinating effect of the interaction between coupled oscillatory units and is ubiquitous in many real-world systems. If the coupling between units is sufficiently weak\, phase reductions provide an adequate description of the dynamics. We discuss phase reductions beyond first order that yield phase oscillator networks with higher-order interactions. Specifically\, we discuss how the nonpairwise higher-order phase interactions depend on the shape of the limit cycles and the underlying network structure. If time permits\, we also discuss how higher-order interactions influence the emergence of metastable (synchronization) dynamics induced by heteroclinic cycles. \nThe seminar will take place in Room S08 at the Faculty of Sciences.
URL:https://www.naxys.be/event/christian-bick-vu-amsterdam/
CATEGORIES:NAXYS Seminar
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