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math.AP2026
Increased lifespan for 3D compressible Euler flows with rotation
Haram Ko, Benoit Pausader, Ryo Takada +1
We consider the compressible Euler equation with a Coriolis term and prove a lower bound on the time of existence of solutions in terms of the speed of rotation, sound speed and si…
math.AP2025
The effect of linear stratification on the stability of a rest state in the 2D inviscid Boussinesq system
Catalina Jurja, Haram Ko
We investigate and quantify the effect of stratification on the stability time of a stably stratified rest state for the 2D inviscid Boussinesq system on . As an impo…
math.AP2025
Global axisymmetric solutions for Navier-Stokes equation with rotation uniformly in the inviscid limit
Haram Ko
We prove that the solutions to the 3D Navier-Stokes equation with constant rotation exist globally for small axisymmetric initial data, where the smallness is uniform with respect…