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math.AP2026
Smooth and swirling steady vortex rings near the Hill--Norbury family
Răzvan-Octavian Radu, Noah Stevenson
An investigation of local aspects of the space of axisymmetric traveling-wave solutions to the three-dimensional Euler equations near Hill's zero-flux spherical vortex and Norbury'…
math.AP2026
On large periodic traveling surface waves in porous media
Huy Q. Nguyen, Noah Stevenson
We study large traveling surface waves within a two-dimensional finite depth, free boundary, homogeneous, incompressible and viscous fluid governed by Darcy's law. The fluid is bou…