A q-expansion based algorithm computes the Hodge filtration needed for quadratic Chabauty on X_0^+(N), with implementations for N=67 and N=193.
Two recent p-adic approaches towards the (effective) mordell conjecture
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Quadratic Chabauty for Atkin-Lehner quotients of modular curves via weakly holomorphic modular forms: Hodge Filtrations
A q-expansion based algorithm computes the Hodge filtration needed for quadratic Chabauty on X_0^+(N), with implementations for N=67 and N=193.