Activities
→ During the 2026–27 school year, Iñaki Echeverría is the tutor for three students enrolled in the high school diploma research program at the Luis Amigó Vocational Training Center ( high school ) in Mutilva, Navarra.
→ Iñaki Echeverría will give a public lecture at the high school Mayor Goimendi in Pamplona in September 2026.
→ Visit by Haozhe Geng of the Harbin Institute of Technology, from September 1, 2026, to September 1, 2028.
→ From September 1 to November 1, 2026, wew visit d byCarina Wings from the Jülich Research Center.
→ Iker Zuriguel will give two educational talks on science to students at IES Padre Moret and the high school Dominicas de Pamplona in September 2026.
→ From February 19 to 20, 2026, Diego Maza visit University of Almería and work with Dr. Antonio Fernández Barbero on the framework scientific activities carried out within the Nonlinear and Materials Physics Group.
→ On February 25, 2026, researcher Julián Riccardo, from CONICET (San Luis, Argentina), will give a seminar Exclusion statistics: formalism and applications to nematic transition in 2D and 3D."
→ PhD student Marta Grasa presents the poster in evacuations through a narrow opening: decoupling speed and pushing" at the Winter Workshop on Complex Systems. Mallorca, Spain. January 25-30, 2026.
→ Iñaki Echeverría visit Jülich – Institute for Advanced Simulation. Cologne, Germany. January 15–19, 2026.
→ From January 26 to 30, 2026, we will be visited by Dr. Demián Levis and PhD student . Juan Pablo Carrillo from the University of Barcelona. Prof. Levis will teach the seminar “Phase Transitions and Transport in Chiral Active Systems.”
→Sara LevayandRaúl Cruzwill participate in the2025 Powders & Grains congress s(Goa, India). December 8–12, 2025. Sara Levay will present the paper “Collective behavior of macroscopic photoactive particles: an experimental study.”
→ We are pleased to announce that we will be the next organizers of thePowders and Grains Conference, to be held at the end of June 2029 in Pamplona.
→Iker Zuriguelparticipates in the public lecture series “Science at the cafeteria,” speaking about pedestrian dynamics and granular media.The Science of Crowds at the cafeteria (and elsewhere) (10/26/25) - Science at the cafeteria
→Diego Mazawill deliver the guest “ lecture ”: “Granular Instabilities Driven by Friction” at the “ congress : Instabilities and Non-equilibrium Structures. Enrique Tirapegui,” Valparaíso, Chile. December 1–5, 2025.
→Diego Mazais participating in a " research stay " at the Physics Department ( department ) of the National University of San Luis, San Luis, Argentina, in the following research groups: "Interface Dynamics in Porous Media" and "Simulation and Statistical Mechanics of Complex Systems," from November 27 to December 12, 2025.
→Diego Mazapresents a “ visit ” by research to Dr. Eugenio Vogel at the Physics “ department ” of the School of Science at the University of Chile, Santiago, Chile. November 2025.
→Sara Levayvisit visit the Institut Lumière Matière (Lyon, France) and will present a seminar graduate titled "Spatiotemporal Control of Active Granular Matter via Illumination." November 25–26, 2025.
→Iker Zuriguel is participatingin the 3rd Spanish Soft Matter 1 1/2 Day Conference. (Benasque Science Center, Nov. 2–5, 2025).
→Iker Zuriguelteaches the course “Emergence of Collective Behavior in Systems of Macroscopic Particles: From Granular Matter to Pedestrian Dynamics” at the Soft Condensed Matter Autumn School “ framework ” in Benasque. November 2025.
→ Published the knowledge dissemination article "Los movimientos colectivos de multitudes no son caóticos sino periódicos" in Revista Española de Física (July-September 2025).
mobility→Iñaki Echeverríawill present the invited talk “Effect of an Obstacle on Flow, Pressure, and Direction in Competitive Pedestrian Evacuations” at the 2nd Spanish “ congress ” on “ research ” ( ), held on October 2 and 3, 2025, in Zaragoza.
→Diego Maza’svisit to Dr. Felipe Pacheco’s “ laboratory ” “Grains-Lab” at the Benemérita Universidad de Puebla in Mexico from August 1 to 31, 2025.
→Diego Mazapresents the " seminar " titled "Jams and Unjams: A Scale-Free Phenomenon" at the "Luis Rivera Terrazas" Institute of Physics, BUAP, Puebla, Mexico, in August 2025.
→Diego Mazawill deliver the guest “ lecture ” titled “Friction-Induced Ratchet Motion” at the IBERO Puebla 2025 meeting , in San Andrés de Cholula, Puebla, Mexico, in August 2025.
→Raúl Cruzwill deliver the talk “Rheology of Complex Granular Flows” as a keynote speaker at the DEM10 congress . Japan, July 2025.
→ From July 1 to 31,Lucía Alegre, a student at the University of Zaragoza, is doing her summer internship with us.
→Ángel Garcimartín, Diego Maza, Iker Zuriguel, Iñaki Echeverría, Raúl Cruz, Sara Levay, Marta Grasa, Axel Katona, and Tomás de Navascuésare participating in FisEs’25. Santiago de Compostela, Spain. June 2025.
→ From May 1 to July 14,Chris Van Ham, a student in the “ Master's Degree ” program at Eindhoven University of Technology,is participating ina collaborative project withIñaki Echeverría.
→ From April 24 to May 10, we will be hostingAlexandreNicolasfrom the University of Lyon. Dr. Nicolas will be presenting the “ seminar ”graduate titled “Anticipation in Pedestrian Dynamics (and Other Human Peculiarities).”
→ Sergio Ardanza-Trevijano, Roberto Arévalo,Sahily Estradé, Diego Maza, andIker Zuriguelpublish “Three-dimensional granular deposits characterized by persistent homology” in Physical Review E.
→Diego Maza, along with Muhammad Ahmed Hanif and Devaraj van der Meer, published the e article “Effect of particle shape on the discharge from a monolayer hopper” in *Granular Matter*. This is the result from Muhammad’s stay at our laboratory at the framework of CALIPER.
→Sara Levayis presenting the “ lecture : ‘Collective Behavior of Photoactive Macroscopic Particles’” at the APS Global Physics Summit in Anaheim, U.S.
→Iker Zurigueldelivers the guest “ lecture , “Collective behavior of photoactive macroscopic particles,” at the DPG Spring Meeting Conference in Regensburg, Germany. March 2025.
→ The article “ article : Granular convection in a monolayer induced by asymmetric horizontal oscillations,” by A.J. Batista-Leyva, D. Hernández-Delfin, Karol Asencio,R.C. Hidalgo, andD. Maza, has been published in Physica A. This work was created duringAlfo Batista’s visit to our laboratory more than three years ago.
→Diego Maza andMartín Mazaare participating in the 3rd Meeting of the Spanish Chapter of the Complex Systems Society (CS3). February 19–21, 2025, Madrid, Spain. Martín Maza presented “Frictional oscillations for tunable particle driving.”
→Iker Zuriguel, along with François Gu, Benjamin Guiselin, Nicolas Bain, and Denis Bartolo, has published the e article , “Emergence of collective oscillations in massive human crowds,” in *Nature*. This work began in 2019 and will continue in the coming years thanks to the agreement “Sanfermín CrowLab” in collaboration with the City Council of Pamplona.
→María Victoria Ferreyra, from Luis Pugnaloni’s “ group ,” visit , joined us to work on …
→Diego Mazawill present the paper “Granular Collective Dynamics Driven by Friction” at Dynamics Days Latin America and the Caribbean (DDAYS LAC 2024). December 9–13, 2024, Buenos Aires, Argentina.
→ At the School of Engineering and Sciences at the Universidad de la Frontera (Chile),Diego Mazais giving the lecture “ seminar : Granular Media and Statistical Mechanics. There Is Still Much to Be Done.”
→ At the 7th Southern Workshop on Granular Materials, December 2–5, 2024, in Puerto Varas, Chile,Raúl Cruzpresents “Acting forces on objects immersed in static or flowing granular materials,” andDiego Maza presents “Granular collective dynamics driven by friction.”
→Iker Zuriguelwill deliver the plenary “ lecture ” titled “Stronger is slower in the bottleneck flow of macroscopic active matter” at Traffic and Granular Flow 2024. December 2–5, 2024, Lyon, France.
→Iñaki Echeverría, Sara Levay, andÁngel Garcimartínwill participate in Traffic and Granular Flow 2024. December 2–5, 2024, Lyon, France. Ángel Garcimartín will present the paper “Robot swarms as a model for traffic and active matter,” and Sara Levay will present the paper titled “Collective behavior of macroscopic light-driven active particles.”
→Iker Zuriguel, Raúl Cruz, andSara Levaywill participate in the “2nd Spanish Soft Matter 1 1/2 Day” Conference. November 3–6, 2024, Benasque, Spain. Raúl Cruz will give a talk titled “Effect of Particle Shape on the Flow of an Hourglass,” and Sara Levay will give a talk titled “Cluster Formation in a System of Photoactive Macroscopic Particles.”
→Martín Maza andDiego Mazahave published "Efficient transport controlled by biharmonic frictional driving" in *Physical Review Letters*.