Palavra-chave: ARITHMETIC FUCHSIAN GROUP

SYMMETRY GROUPS {P,Q} TESSELLATIONS SURFACE TOPOLOGY SISTEMA DINAMICO DIVISION ALGEBRA SPACE TIME CODES QUATERNION ORDER FUCHSIAN GROUPS HYPERBOLIC TESSELATION COMMUTATIVE RINGS INTEGER RINGS GROUP OF UNITS SIGNAL SPACE CODES DIOPHANTINE EQUATIONS SIGNAL SETS HYPERBOLIC TESSELATIONS REIDEMEISTER-SCHREIER METHOD GEOMETRICALLY UNIFORM CODES GRUPOS FUCHSIANOS HOMOGENEOUS SPACE ÁLGEBRA DOS QUATÉRNIOS TORIC CODES TOPOLOGICAL QUANTUM CODES HYPERBOLIC SPACE EDGE-PAIRINGS