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Administrador de Red 2021-09-08 16:32:24 -03:00
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speaker: Michal Kowalczyk (Universidad de Chile, Chile) speaker: Michal Kowalczyk (Universidad de Chile, Chile)
- titulo: Korteweg de-Vries limit for the Fermi-Pasta-Ulam System - titulo: Korteweg de-Vries limit for the Fermi-Pasta-Ulam System
abstract: <p>In this talk, we are going to discuss dispersive properties for the Fermi-Pasta-Ulam (FPU) system with infinitely many oscillators. Precisely, we see that FPU systems are reformulated and their solutions satisfies Strichartz, local smoothing, and maximal function estimates in comparison with linear Kortewegde Vries (KdV) flows. With these properties, we finally show that the infinite FPU system can be approximated by counter-propagating waves governed by the KdV equation as the lattice spacing approaches zero.</p> abstract: <p>In this talk, we are going to discuss dispersive properties for the Fermi-Pasta-Ulam (FPU) system with infinitely many oscillators. Precisely, we see that FPU systems are reformulated and their solutions satisfies Strichartz, local smoothing, and maximal function estimates in comparison with linear Kortewegde Vries (KdV) flows. With these properties, we finally show that the infinite FPU system can be approximated by counter-propagating waves governed by the KdV equation as the lattice spacing approaches zero.</p>
start: 2021-09-17T17:30 start: 2021-09-15T17:30
end: 2021-09-17T18:15 end: 2021-09-15T18:15
speaker: Chulkwang Kwak (Ehwa Womans University, Corea del Sur) speaker: Chulkwang Kwak (Ehwa Womans University, Corea del Sur)
- titulo: Spectral stability in the nonlinear Dirac equation with Soler type nonlinearity. - titulo: Spectral stability in the nonlinear Dirac equation with Soler type nonlinearity.
abstract: | abstract: |

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title: "Mujeres y matemáticas en Chile: una mirada crítica e interdisciplinar al campo científico", title:
start: `2021-09-14T18:30-0300`, "Mujeres y matemáticas en Chile: una mirada crítica e interdisciplinar al campo científico",
end: `2021-09-14T19:30-0300`, start: `2021-09-14T18:30-0300`,
speaker: { nombre: "Organizadores" }, end: `2021-09-14T19:30-0300`,
description: "Actividad de Género", speaker: { nombre: "Organizadores" },
color: "#812c64", description:"El contenido de esta ponencia presenta algunos resultados preliminares del proyecto de investigación Anillo PIASOC180025 “Mujeres y matemáticas en Chile: sociología de un campo científico desde una perspectiva interdisciplinar y de género”. Específicamente, discute aspectos relativos a la construcción de subjetividades generizadas al interior de este campo científico. En base al análisis de 11 grupos focales y el diálogo con diferentes académicos/as e investigadores/as adscritos al campo de la matemática se distinguen modos de concebir sus posiciones desde la extrañeza y la otredad. En todos ellos, la perspectiva de género contribuye un marco crítico para abordar la práctica de la matemática como un proceso social, es por ello que el análisis se centra en las experiencias y trayectorias de quiénes la desarrollan, al estar marcadas por las características del campo social en que se despliegan",
color: "#812c64",
}); });
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