ALGORITHMS AND COMPLEXITY 3 ALGORITMOS Y COMPLEJIDAD 3 DEGREE OF AFFINE VARIETIES 3 DESCOMPOSICION EQUIDIMENSIONAL DE VARIEDADES ALGEBRAICAS 3 ELIMINATION THEORY 3 EQUIDIMENSIONAL DECOMPOSITION OF ALGEBRAIC VARIETIES 3 GRADO DE VARIEDADES AFINES 3 SISTEMAS POLINOMIALES RALOS 3 SPARSE POLYNOMIAL SYSTEMS 3 TEORIA DE ELIMINACION 3 Algorithms and complexity 2 Degree of affine varieties 2 Equidimensional decomposition of algebraic varieties 2 Sparse polynomial systems 2