Remark on the semilinear ill-posedness for a periodic higher order KP-I equation
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🧮 math.AP
keywords
equationkp-iperiodiccontinuousenergyevenfifth-orderfixed
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We prove that, for some irrational torus, the flow map of the periodic fifth-order KP-I equation is not locally uniformly continuous on the energy space, even on the hyperplanes of fixed x-mean value.
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