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20202026
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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…

math.AP2025

Desingularization of nondegenerate rotating vortex patches

Răzvan-Octavian Radu, Noah Stevenson

This paper analyzes the space of steady rotating solutions to the two-dimensional incompressible Euler equations nearby vortex patch solutions satisfying a natural nondegeneracy co…

math.AP2025

Gravity driven traveling bore wave solutions to the free boundary incompressible Navier-Stokes equations

Noah Stevenson, Ian Tice

We give the first mathematical construction of two-dimensional traveling bore wave solutions to the free boundary incompressible Navier-Stokes equations for a single finite depth l…

math.AP2025

Stationary wave solutions to two dimensional viscous shallow water equations: theory of small and large solutions

Noah Stevenson, Ian Tice

We study a system of forced viscous shallow water equations with nontrivial bathymetry in two spatial dimensions. We develop a well-posedness theory for small but arbitrary forcing…

math.AP2024

Periodic gravity-capillary roll wave solutions to the inclined viscous shallow water equations in two dimensions

Noah Stevenson

We study periodic, two-dimensional, gravity-capillary traveling wave solutions to a viscous shallow water system posed on an inclined plane. While thinking of the Reynolds and Bond…

math.AP2023

The traveling wave problem for the shallow water equations: well-posedness and the limits of vanishing viscosity and surface tension

Noah Stevenson, Ian Tice

In this paper we study solitary traveling wave solutions to a damped shallow water system, which is in general quasilinear and of mixed type. We develop a small data well-posedness…

math.AP2023

Well-posedness of the stationary and slowly traveling wave problems for the free boundary incompressible Navier-Stokes equations

Noah Stevenson, Ian Tice

We establish that solitary stationary waves in three dimensional viscous incompressible fluids are a generic phenomenon and that every such solution is a vanishing wave-speed limit…

math.AP2023

Well-posedness of the traveling wave problem for the free boundary compressible Navier-Stokes equations

Noah Stevenson, Ian Tice

We prove that traveling waves in viscous compressible liquids are a generic phenomenon. The setting for our result is a horizontally infinite, finite depth layer of compressible, b…

math.AP2020

Traveling wave solutions to the multilayer free boundary incompressible Navier-Stokes equations

Noah Stevenson, Ian Tice

For a natural number , we study layers of finite depth, horizontally infinite, viscous, and incompressible fluid bounded below by a flat rigid bottom. Adjacent layers…

math.AP2020

Analysis of micropolar fluids: existence of potential microflow solutions, nearby global well-posedness, and asymptotic stability

Noah Stevenson, Ian Tice

In this paper we concern ourselves with an incompressible, viscous, isotropic, and periodic micropolar fluid. We find that in the absence of forcing and microtorquing there exists…