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math.AP2026
Mathematical study of a new Navier-Stokes-alpha model with nonlinear filter equation - Regularity theory and refined time asymptotics
Manuel Fernando Cortez, Oscar Jarrín
This article is devoted to the mathematical analysis of a new Navier--Stokes- model involving a nonlinear filter equation. The resulting model is governed by a doubly nonlinear…
math.AP2026
On a pointwise estimate for a weighted rough singular integral operator in stratified Lie groups and applications
Diego Chamorro, Oscar Jarrín
In this article, we present a new pointwise estimate for a weighted rough singular integral operator in the setting of stratified Lie groups. This operator, , is bas…
math.AP2026
On Stationary Gevrey Solutions to the Gravitational Boussinesq System and Applications to Uniqueness
Nestor Acevedo, Manuel Fernando Cortez, Oscar Jarrín
The stationary version of the Boussinesq system with a general gravitational acceleration term is considered. Under suitable assumptions on this term, as well as on the external fo…