MathDB2 problems
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Essential role of periodicity and number theory in revival phenomena
For linear dispersive evolution equations, revival refers to the persistence of the rational-time versus irrational-time dichotomy, with rational-time solutions exhibiting a struct…
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Genericity of weaker revival for uncoupled boundary conditions
Consider linear dispersive evolution equations on an interval with boundary conditions that do not couple the interval endpoints. In the Robin Schrödinger case, the solution at rat…