Palavra-chave: QUATERNION ORDER

DIVISION ALGEBRA ARITHMETIC FUCHSIAN GROUP SPACE TIME CODES FUCHSIAN GROUPS HYPERBOLIC TESSELATION COMMUTATIVE RINGS INTEGER RINGS GROUP OF UNITS LATTICES HYPERBOLIC SPACE HYPERBOLIC SIGNAL CONSTELLATION FUCHSIAN GROUP HYPERBOLIC TESSELATIONS SIGNAL SPACE CODES DIOPHANTINE EQUATIONS SIGNAL SETS ALGEBRAIC INTEGERS FIELD EXTENSION GRUPOS FUCHSIANOS ISOMETRIES {P,Q} TESSELLATIONS HYPERBOLIC CONSTELLATIONS EDGE-PAIRINGS MAXIMAL ORDER TESSELLATION ÁLGEBRA DOS QUATÉRNIOS ANEIS DE INTEIROS ALGEBRICOS GRAPH CODIGOS GEOMETRICAMENTE UNIFORMES