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1. Fundamental-domains-for-Shimura-curves Fundamental-domains-for-Shimura-curves Public

   PARI/GP implementation of fundamental domains for congruence arithmetic Fuchsian groups

   C 10

2. Apollonian Apollonian Public

   Apollonian circle packing methods in PARI/GP

   C 6 1

3. Isogeny Isogeny Public

   Efficient computation of supersingular l-isogeny graphs, allowing for non-prime l and significantly faster than the built-in SageMath method.

   C 5

4. Eisenstein Eisenstein Public

   Methods for Eisenstein circle packings and the Eisenpint Schmidt arrangement.

   C

5. Semigroup-Reciprocity Semigroup-Reciprocity Public

   Computing orbits of (thin) semigroups in PARI/GP, with additional focus on subsemigroups of SL(2, Z) that exhibit reciprocity obstrucitons.

   C