Palavra-chave: SPHERICAL CODES

CODES ON A FLAT TORUS GRAPH LATTICES LATTICE SYMMETRY GROUPS COSET CODES ANALOG SOURCE ISOMETRY CODES SLEPIAN CODES FINITELY GENERATED ABELIAN GROUPS {P,Q} TESSELLATIONS PERFECT CODES D-CHAIN ALGORITHM CODE CONSTRUCTION PATTERN RECOGNITION OPTIMUM ENCODING WIRETAP CHANNEL GEOMETRY OF GROUPS PERFORMANCE ANALYSIS FLATTORUS GROUP CODES RIEMANN SURFACE CORRESPONDENCE ANALYSIS SOURCE CODING SUPERFÍCIE MODULAR GROUP TOPOLOGY TORUS FLAT TORUS OPTIMUM CODES GEOMETRICALLY UNIFORM CODES HYPERBOLIC SIGNAL CONSTELLATION