Geodesic
TEST MAP AND DISCRETENESS IN SL(2, H)
Glasgow mathematical journal, Tome 61 (2019) no. 3, pp. 523-533

Voir la notice de l'article provenant de la source Cambridge University Press

Let H be the division ring of real quaternions. Let SL(2, H) be the group of 2 × 2 quaternionic matrices $A={\scriptsize{(\begin{array}{l@{\quad}l} a & b \\ c & d \end{array})}}$ with quaternionic determinant det A = |ad − aca−1b| = 1. This group acts by the orientation-preserving isometries of the five-dimensional real hyperbolic space. We obtain discreteness criteria for Zariski-dense subgroups of SL(2, H). 
GONGOPADHYAY, KRISHNENDU; MUKHERJEE, ABHISHEK; SARDAR, SUJIT KUMAR. TEST MAP AND DISCRETENESS IN SL(2, H). Glasgow mathematical journal, Tome 61 (2019) no. 3, pp. 523-533. doi: 10.1017/S0017089518000332
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     title = {TEST {MAP} {AND} {DISCRETENESS} {IN} {SL(2,} {H)}},
     journal = {Glasgow mathematical journal},
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