论文信息 - Remarks on the Mass Constraint for KP-Type Equations

Remarks on the Mass Constraint for KP-Type Equations

For a rather general class of equations of Kadomtsev–Petviashvili type, we prove that the zero-mass (in x) constraint is satisfied at any nonzero time even if it is not satisfied at initial time zero. Our results are based on a precise analysis of the fundamental solution of the linear part and its anti-x-derivative.

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