Radial functions CAFFARELLI-KOHN-NIRENBERG INEQUALITIES DESIGUALDAD DE CAFFARELLI-KOHN-NIRENBERG DESIGUALDAD DE TRAZAS ESTIMACIONES CON PESOS FRACTIONAL INTEGRALS FUNCIONES RADIALES HAMILTONIAN SYSTEMS INTEGRAL FRACCIONARIA LAGUERRE MULTIPLIERS MULTIPLICADORES DE LAGUERRE POTENCIAL DE RIESZ RADIAL FUNCTIONS RIESZ POTENTIALS SISTEMAS HAMILTONIANOS TRACE INEQUALITIES WEIGHTED ESTIMATES Ciencias Exactas Convolution Fractional integrals John domains Matemática Riesz potentials Weighted Besov spaces Young’s inequality Caffarelli-Kohn-Nirenberg inequalities Elliptic system Embedding theorems Fractional integration Fractional-order Sobolev spaces