The Bochner-Riesz means for Fourier-Bessel expansions: norm inequalities   for the maximal operator and almost everywhere convergence
  In this paper, we develop a thorough analysis of the boundedness properties of the maximal operator for the Bochner-Riesz means related to the Fourier-Bessel expansions. For this operator, we study weighted and unweighted inequalities in the spaces L^p((0,1),x^{2\nu+1}dx). Moreover, weak and restricted weak type inequalities are obtained for the critical values of p. As a consequence, we deduce the almost everywhere pointwise convergence of these means. 
\'O. Ciaurri, L. Roncal
math.FA