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Stability of extremal domains for the first Dirichlet eigenvalue of the Laplacian operator

Ponente: Ivaldo Paz Nunes
Institución: Universidade Federal do Maranhão, Brasil
Tipo de Evento: Investigación, Formación de Recursos Humanos

Cuándo 14/11/2024
de 12:30 a 13:30
Dónde Vía ZOOM: https://cuaieed-unam.zoom.us/j/7414769560
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Seminario Conjunto Instituto de Matemáticas y Facultad de Matemáticas de la UADY

A las 12:30 horas de CDMX = 15:30 horas de Maranhão, Brasil

In this talk, we will discuss the concept of stable extremal domains for the first Dirichlet eigenvalue of the Laplacian operator. We will classify the stable extremal domains in the 2-sphere and higher-dimensional spheres when the boundary is minimal. Additionally, we will establish topological bounds for stable domains in general compact Riemannian surfaces, assuming either nonnegative total Gaussian curvature or small volume. This is a joint work with Marcos P. Cavalcante (UFAL).