Potential Theory and Degenerate Partial Differential Operators

Foreword. Sobolev inequalities on homogeneous spaces; M. Biroli, U. Mosco. Regularity for solutions of quasilinear elliptic equations under minimal assumption; F. Chiarenza. Dimensions at infinity for Riemannian manifolds; T. Coulhon. On infinite dimensional sheets; D. Feyel, A. de la Pradelle. Weighted Poincaré inequalities for Hömander vector fields and local regularity for a class of degenerate elliptic equations; B. Franchi, et al. Reflecting diffusions on Lipschitz domains with cups - analytic construction and Skorohod representation; M. Fukushima, M. Tomisaki. Fermabilité des formes de Dirichlet et inégalité de type Poincaré; G. Mokobodzki. Comparison Hölderienne des distances sous-elliptiques et calcul S(m,g); S. Mustapha, N. Varopoulos. Parabolic Harnack inequality for divergence form second order differential operators; L. Saloff-Coste. Recenti risultata sulle teoria degli operatori vicini; S. Campanato. Existence of bounded solutions for some degenerated quasilinear elliptic equations; P. Drábek, F. Nicolosi.