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math.AP2025
The steady Navier-Stokes equations in a system of unbounded channels with sources and sinks
Filippo Gazzola, Mikhail V. Korobkov, Xiao Ren +1
The steady motion of a viscous incompressible fluid in a junction of unbounded channels with sources and sinks is modeled through the Navier-Stokes equations under inhomogeneous Di…
math.AP2025
A geometric characterization of potential Navier-Stokes singularities
Zhen Lei, Xiao Ren, Gang Tian
For a local suitable weak solution to the Navier-Stokes equations, we prove that if the vorticity vectors belong to a double cone in regions of high vorticity magnitude, then the s…