Palavra-chave: SPHERICAL CODES

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