publicaciones seleccionadas artículo académico ORTHOGONAL POLYNOMIAL PROJECTION ERROR IN DUNKL-SOBOLEV NORMS IN THE BALL. JOURNAL OF APPROXIMATION THEORY. 261:1-6. 2021 ORTHOGONAL POLYNOMIAL PROJECTION ERROR MEASURED IN SOBOLEV NORMS IN THE UNIT BALL. JOURNAL OF APPROXIMATION THEORY. 220:31-43. 2017 ORTHOGONAL POLYNOMIAL PROJECTION ERROR MEASURED IN SOBOLEV NORMS IN THE UNIT DISK. CONSTRUCTIVE APPROXIMATION. 46(1):171-197. 2017