The current state of Navier-Stokes existence and smoothness

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Discussion Overview

The discussion centers on the Navier-Stokes existence and smoothness problem, a significant topic in mathematical physics. Participants explore the current state of research, methods for analyzing the equations, and the mathematical and physical concepts involved in understanding the Navier-Stokes equations.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • One participant seeks publications or archives on developments related to the Navier-Stokes existence and smoothness problem, expressing interest in new methods for analyzing the equations.
  • Another participant suggests that the Navier-Stokes equations are a type of partial differential equation (PDE) and implies that understanding PDEs is crucial for grasping the equations.
  • A participant mentions that the physics represented by the Navier-Stokes equations is relatively simple, comparing it to Newton's second law, but in the context of a continuous medium.
  • There is a suggestion that the theory of Sobolev spaces may be relevant for understanding the mathematics behind the Navier-Stokes equations.
  • A later reply indicates that the participant has gained confidence in their understanding of the mathematics involved and is looking for resources to read about recent developments in the field.

Areas of Agreement / Disagreement

Participants express varying levels of familiarity with the Navier-Stokes equations and their mathematical background. There is no consensus on the current state of research or the specific resources available, indicating multiple perspectives on the topic.

Contextual Notes

Participants mention limitations in their mathematical background, particularly regarding partial differential equations and fluid mechanics, which may affect their understanding of the Navier-Stokes equations.

Who May Find This Useful

Readers interested in mathematical physics, fluid dynamics, and the Navier-Stokes equations may find this discussion relevant, especially those looking for resources and insights into ongoing research in this area.

AVFistula
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Can anyone point me to some publications or archives which feature developments in solving the N-S existence and smoothness problem? Basically, I'd like to read up about how far people have gone towards solving the problem, e.g. a new method to analyze the equations.

Also, what fields of mathematics and physics do the Navier-Stokes equations employ? I've taken differential equations (the class had barely any content on partial diffeq) and just physics I+II. Can I even begin to understand the equations in-depth without any other math or fluid mechanics?
 
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I don't know anything about status of the millenium problem. But the Navier-Stokes equations are just a partial differential equation. If and when you have a good handle on PDE's the Navier-Stokes equations are not too hard to understand. The physics they encode is quite simple--it's just the equivalent of F = ma except it describes a continuous medium instead of a point particle.
 
AVFistula said:
Also, what fields of mathematics and physics do the Navier-Stokes equations employ?

Regarding the math, I would guess that the theory of Sobolev spaces would be very relevant.
 
Okay, thanks for the heads up. I've since read a lot of explanations and derivations of the N-S equations, so I think the math isn't too bad. I'll read up about Sobolev spaces, though.

If anyone knows where I can read general science/math publications so that I can search for developments in this particular subject, I am still looking and would greatly appreciate a heads-up.
 

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