2 papers
math.CA2018
Pointwise monotonicity of heat kernels
Diego Alonso-Orán, Fernando Chamizo, Ángel D. Martínez +1
In this paper the authors present a proof of a pointwise radial monotonicity property of heat kernels that is shared by the euclidean spaces, spheres and hyperbolic spaces. The mai…
math.AP2015
A pointwise inequality for fractional laplacians
Antonio Cordoba, Angel D. Martinez
The fractional laplacian is an operator appearing in several evolution models where diffusion coming from a Lévy process is present but also in the analysis of fluid interphases. W…