Under what conditions do smooth solutions exist for the Navier–Stokes equations, which are the equations that describe the flow of a…

Under what conditions do smooth solutions exist for the Navier–Stokes equations, which are the equations that describe the flow of a viscous fluid? This problem, for an incompressible fluid in three dimensions, is also one of the Millennium Prize Problems in mathematics.

Open the “Fluid dynamics” section on Wikipedia →

Source: List of unsolved problems in physics (CC BY-SA 4.0)