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Results tagged with elliptic-functions
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user 80790
4
votes
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answer
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When is a solution $P(f'(x)) = Q(f(x))$ periodic or double periodic?
$\newcommand{\cl}{\operatorname{cl}}\newcommand{\sl}{\operatorname{sl}}\newcommand{\cm}{\operatorname{cm}}\newcommand{\sm}{\operatorname{cm}}$Consider the differential equation
$$P(f '(x)) = Q(f(x))$$ …
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