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Phi-Four Equation

The partial differential equation

u_(tt)-u_(xx)-u+u^3=0.

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References

Calogero, F. and Degasperis, A. Spectral Transform and Solitons: Tools to Solve and Investigate Nonlinear Evolution Equations. New York: North-Holland, p. 60, 1982.Zwillinger, D. Handbook of Differential Equations, 3rd ed. Boston, MA: Academic Press, p. 134, 1997.

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Phi-Four Equation

Cite this as:

Weisstein, Eric W. "Phi-Four Equation." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Phi-FourEquation.html

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