2 papers
math.NT2025
Fundamental domains for quaternionic S-arithmetic groups over totally real fields
Marc Masdeu, Eloi Torrents
Let be a totally-definite quaternion algebra over a totally real field , let be a prime ideal of , and let be the group of reduced norm- elements of…
math.AG2024
Efficient computation of non-archimedean theta functions
Marc Masdeu, Xavier Xarles
We describe an efficient iterative algorithm for the computation of theta functions of non-archimedean Schottky groups and, more generally, of (non-archimedean) discontinuous group…