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Systems of equations: particular examples

Part of the ISNM International Series of Numerical Mathematics book series (ISNM, volume 153)

Abstract

No general theory for systems of nonlinear equations exists. Systems usually require a combination of specific, sometimes very sophisticated tricks, possibly with a fixed-point technique finely fitted to a particular structure. Although certain general approaches can be adopted, a pragmatic observation is that systems are much more difficult than single equations and sometimes only partial results (typically for small data) can be obtained with current knowledge. Even worse, many natural systems arising from physical problems still remain unsolved with respect to even the existence of a solution.

We confine ourselves to only a few illustrative examples having a straightforward physical interpretation and using the previously exposed theory in a nontrivial but still rather uncomplicated manner.

Keywords

Weak Solution Unique Weak Solution Weak Continuity Positive Continuous Function Compact Embedding 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Birkhäuser Verlag Basel 2005

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