Results overview: Found 3 records in 0.02 seconds.
Articles, 3 records found
Articles 3 records found  
1.
7 p, 288.2 KB On the exponent of convergence of negatively curved manifolds without Green's function / Melián, María V. (Universidad Autónoma de Madrid. Departamento de Matemáticas) ; Rodríguez García, Jose M. (Universidad Carlos III de Madrid. Departamento de Matemáticas) ; Tourís, Eva (Universidad Autónoma de Madrid. Departamento de Matemáticas)
In this paper we prove that for every complete n-dimensional Riemannian manifold without Green's function and with its sectional curvatures satisfying K ≤−1, the exponent of convergence is greater than or equal to n − 1. [...]
2018 - 10.5565/PUBLMAT6211809
Publicacions matemàtiques, Vol. 62 Núm. 1 (2018) , p. 177-183 (Articles)  
2.
17 p, 341.3 KB Low energy canonical immersions into hyperbolic manifolds and standard spheres / del Rio, Heberto (Barry University (Estats Units d'Amèrica). Department of Mathematics & Computer Sciences) ; Santos, Walcy (Universidade Federal do Rio de Janeiro (Brasil). Instituto de Matematica) ; Simanca, Santiago R. (University of Miami (Estats Units d'Amèrica). Department of Mathematics)
We consider critical points of the global L2-norm of the second fundamental form, and of the mean curvature vector of isometric immersions of compact Riemannian manifolds into a fixed background Riemannian manifold, as functionals over the space of deformations of the immersion. [...]
2017 - 10.5565/PUBLMAT_61117_05
Publicacions matemàtiques, Vol. 61 Núm. 1 (2017) , p. 135-151 (Articles)  
3.
31 p, 443.9 KB Sub-Gaussian heat kernel estimates and quasi Riesz transforms for 1≤p≤2 / Chen, Li (Instituto de Ciencias Matemáticas (Madrid, Espanya))
On a complete non-compact Riemannian manifold M, we prove that a so-called quasi Riesz transform is always Lp bounded for 1 < p ≤ 2. If M satifies the doubling volume property and the sub-Gaussian heat kernel estimate, we prove that the quasi Riesz transform is also of weak type (1; 1).
2015 - 10.5565/PUBLMAT_59215_03
Publicacions matemàtiques, Vol. 59 Núm. 2 (2015) , p. 313-338 (Articles)  

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