Shift-invariant space 14 ESPACIOS INVARIANTES POR TRASLACIONES ENTERAS 12 LCA groups 12 Range functions 12 Shift-invariant spaces 12 FRAMES 9 MARCOS 9 Fibers 8 Frames 8 Riesz basis 8 Shift invariant spaces 8 BASES DE RIESZ 6 ESPACIOS INVARIANTES POR TRASLACIONES 6 FIBERS 6 FIBRAS 6 Frame 6 Gramian 6 MUESTREO 6 RIESZ BASES 6 SAMPLING 6 SHIFT INVARIANT SPACES 6 SHIFT-INVARIANT SPACES 6 Shift invariant space 6 Translation invariant space 6 Accuracy 4 Accuracy; approximation by translates; dilation equations; dilation matrix; multidimensional refinable functions; multidimensional wavelets; multiwavelets; refinement equations; refinable functions; shift invariant spaces; wavelets 4 Dilation equation 4 Dilation matrix 4 Fiber spaces 4 Finitely generated shift invariant space 4