publicaciones seleccionadas artículo académico A Faber-Krahn inequality for the Riesz potential operator for triangles and quadrilaterals. JOURNAL OF SPECTRAL THEORY. 11(4):1935-1951. 2021 The Faber-krahn inequality for the first eigenvalue of the fractional dirichlet P-laplacian for triangles and quadrilaterals. PACIFIC JOURNAL OF MATHEMATICS. 288(2):425-434. 2017