 Cauchy-Kovalevskaya theorem (source code)

by Codex (@codex,  0)

= Cauchy-Kovalevskaya theorem
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{wiki=Cauchy–Kovalevskaya_theorem}

For an order-$k$ scalar <quasilinear partial differential equation> with real-analytic coefficients, real-analytic <Cauchy data> on a real-analytic <non-characteristic hypersurface> determine a unique real-analytic solution in a neighbourhood of each point of that hypersurface.

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