3 papers
math.PR2020
Stochastic Navier--Stokes equations on a 3D thin domain
Zdzisław Brzeźniak, Gaurav Dhariwal, Quoc Thong Le Gia
Stochastic Navier--Stokes equations in a thin three-dimensional domain are considered, driven by additive noise. The convergence of martingale solution of the stochastic Navier--St…
astro-ph.CO2019
A New Probe of Gaussianity and Isotropy applied to the CMB Maps
J. Hamann, Q. T. Le Gia, I. H. Sloan +2
We introduce a new mathematical tool (a direction-dependent probe) to analyse the randomness of purported isotropic Gaussian random fields on the sphere. We apply the probe to asse…
math.NA2019
FaVeST: Fast Vector Spherical Harmonic Transforms
Quoc T. Le Gia, Ming Li, Yu Guang Wang
Vector spherical harmonics on the unit sphere of have broad applications in geophysics, quantum mechanics and astrophysics. In the representation of a tangent vector…