Lucas Lacasa
@wetuad
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Complex Systems | CSIC senior scientist @IFISC_mallorca
Joined April 2012
RT @tobiasgalla: "Opinion dynamics: Statistical physics and beyond". Review of lab experiments, data, models, analy….
arxiv.org
Opinion dynamics, the study of how individual beliefs and collective public opinion evolve, is a fertile domain for applying statistical physics to complex social phenomena. Like physical systems,...
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RT @acorralcrm: Not 0, not 1, but 2 great summer-like schools at @CRMatematica Barcelona!. 1st @CompSysSoc Spanish Chapter CS3 Summer Schoo….
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🚨New preprint !!. Interpreting the training process of a neural network as a temporal network trajectory, we found a regime where such trajectory becomes chaotic. Rather than a nuisance, such chaotic mixing boosts training!.w/ P. Jiménez, @miguelcsoriano .
arxiv.org
Traditional algorithms to optimize artificial neural networks when confronted with a supervised learning task are usually exploitation-type relaxational dynamics such as gradient descent (GD)....
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RT @tobiasgalla: 4 postdoc positions in complex systems at IFISC, Palma de Mallorca (@IFISC_mallorca). Call open until 20/10/25, but positi….
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RT @IFISC_mallorca: 📢 IFISC (UIB-CSIC) in Mallorca is offering up to 4 postdoctoral positions in complex systems science!.🔍 Topics: social….
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thanks for a great collab Lluís Arola, Naoki Masuda, F. Javier Marín.
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🚨🚨 How to extract a scalar time series that faithfully represents a the dynamics of a whole temporal network?. Just published !. Too bad I couldn't make it to #NetSci2025 this year.
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🆕 Preprint on the use of Machine Learning tools (deep reinforcement learning + transfer learning) for aerodynamic optimization !!. w/ David Ramos, Gonzalo Rubio & Eusebio Valero.
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RT @_CaligiuriLisa_: 🚨 Our paper (with @wetuad and @tobiasgalla) is out now in Chaos as an Editor's Pick! . We use pseudo-distances to char….
pubs.aip.org
Networks model the architecture backbone of complex systems. The backbone itself can change over time leading to what is called “temporal networks.” Interpretin
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RT @LnrdRizzo: How we "guessed" the Pope using network science: inside the cardinal network. A study by me, Beppe Soda and Alessandro Iorio….
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Amazing work!!.
The emergence of eukaryotes as an evolutionary algorithmic phase transition | PNAS
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This has now published in Expert Systems With Applications:. Great industry-academia collaboration @EsAirbus @aeroespacialUPM @esa @IFISC_mallorca.
New preprint on a very practical roadmap: how to make and implement a thorough statistical validation pipeline of a machine learning solution in a real, industrial (aeronautical) use case. Great collaboration with @EsAirbus and @aeroespacialUPM .
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We have looked at how 🧠evolves in graph space. We found that their network trajectories characterize well aging and brain pathologies. Details 👇.
Predictability of temporal network dynamics in normal ageing and brain pathology . (preprint with @_CaligiuriLisa_ ,@wetuad, @DrMZanin and others).
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RT @m_starnini: Hiring a postdoc in higher-order social dynamics: we will be doing models AND experiments (!). 36k/year renewable up to 3 y….
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RT @Yoshua_Bengio: Today, we are publishing the first-ever International AI Safety Report, backed by 30 countries and the OECD, UN, and EU.….
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Seems like. so long ago. .
ChatGPT is mind blowing, no matter what, that’s my humble opinion. Many of my colleagues for whom I have the utmost respect make fun of it, I’m inclined to tell you: you are playing a bit the referee 2 attitude.
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How to describe the dynamical properties of networks *with no labels* that change over time ? . 🆕 preprint.(with @_CaligiuriLisa_ @tobiasgalla ).
Characterising the dynamics of unlabelled temporal networks.(with @_CaligiuriLisa_ @wetuad). We use graph invariants to characterise time series of unlabelled networks, focusing on autocorrelation functions & sensitivity to initial conditions. We show >>>.
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So @NatureComms has highlighted our research home @IFISC_mallorca as an institutional model for interdisciplinary science! Congrats @MaxiSanMiguel for your vision, @EmilioHerGar for keeping the momentum and kudos all at IFISC. And thanks Apostolos Argyris for leading this!.
🚀 Cross-disciplinary research is shaping the future! Discover how IFISC has become a global model, breaking silos and fostering innovation in complex systems. 🌐 Read more in @NatureComms: #ComplexSystems #ScienceInnovation #CrossDisciplinarity.
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