We are a @iCERCA center created in 1984 to promote #research and advanced #training in #mathematics.

Bellaterra (Barcelona)
Ariane Mézard Una de les figures destacades de la geometria aritmètica, una branca de les matemàtiques que connecta l'àlgebra, la geometria i la teoria dels nombres.
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La geometria aritmètica estudia objectes geomètrics utilitzant eines de teoria dels nombres, contribuint a resoldre preguntes profundes sobre les propietats dels nombres i les seves simetries.
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This work advances the theory of Fourier inequalities in both classical and variable Lebesgue spaces, identifying the limits of extending fundamental Fourier estimates to variable exponent settings and providing new characterizations of weighted Fourier inequalities.
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🎥 Kick-Off María de Maeztu: Rectifiability, Square Functions, and a Conjecture of Carleson We revisit the opening lecture delivered by Xavier Tolsa (ICREA · @UABBarcelona · @CRMatematica ) at the 2022 María de Maeztu Meeting.
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In this talk, Tolsa introduced central questions in geometric measure theory and harmonic analysis, including rectifiability and square functions, themes that would later play a key role in the development of his work on Carleson's ε² conjecture in higher dimensions.
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Since then, this line of research has led to major advances in the field, and Tolsa was selected as a plenary speaker at the International Congress of Mathematicians (ICM 2026), one of the highest distinctions in mathematics.
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In this quiet domestic scene, Vilhelm Hammershøi transforms light into geometry. Windows, doors, and walls form a composition of rectangles and carefully balanced proportions, while the sunbeams turn the window into a new shape projected onto the floor.
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Renowned for his serene and almost empty interiors, Hammershøi (1864-1916) developed a unique pictorial language based on silence, light, and contemplation. His paintings reveal the extraordinary complexity hidden within seemingly simple spaces.
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The painting can be viewed in the collection of the Statens Museum for Kunst (National Gallery of Denmark) in Copenhagen
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Centre de Recerca Matemàtica | CRM-CERCA retweeted
No oblidem els nostres referents. 👇🏽👇🏽
Maria Antònia Canals i Tolosa (1930-2022) Mestra, matemàtica i pedagoga catalana, va revolucionar l'ensenyament de les matemàtiques a través de la manipulació, l'experimentació i el joc. @UniBarcelona @uvic_ucc @UABBarcelona @univgirona
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The Power of Three: Understanding You Better A or B? It turns out that's not enough. After nearly a century of studying human preferences, researchers have shown that three choices can reveal information that two never could. The power of three. 🧮✨ #choices
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Maria Antònia Canals i Tolosa (1930-2022) Mestra, matemàtica i pedagoga catalana, va revolucionar l'ensenyament de les matemàtiques a través de la manipulació, l'experimentació i el joc. @UniBarcelona @uvic_ucc @UABBarcelona @univgirona
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És una figura clau de la renovació pedagògica a Catalunya. va dedicar la seva vida a transformar l'ensenyament de les matemàtiques, posant l'experimentació i la curiositat al centre de l'aprenentatge. El seu llegat continua inspirant mestres i alumnes arreu.
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On the Dimension of the Boundaries of Attracting Basins of Entire Maps londmathsoc.onlinelibrary.wi…
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A paper by Krzysztof Barański (@UniWarszawski ), Bogusława Karpińska (@WUT_edu ), David Martí-Pete (University of Liverpool), Leticia Pardo-Simón (@UniBarcelona and @CRMatematica ), and Anna Zdunik (@UniWarszawski). This work advances our understanding of
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the geometry of dynamical systems generated by transcendental entire functions, showing that the boundaries of a broad class of attracting and parabolic basins have hyperbolic dimension greater than one, revealing an intrinsic geometric complexity in these dynamical systems.
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