REGULARITY OF THE SOLUTION OF ELLIPTIC PROBLEMS WITH PIECEWISE ANALYTIC DATA , Ih THE TRACE SPACES AND APPLICATION TO THE BOUNDARY VALUE PROBLEMS WITH NONHOMOGENEOUS BOUNDARY CONDITIONS

This paper analyzes the trace spaces of the weighted space (fl) introduced by Babuka and Guo [SIAM J. Math. Anal., 19 (1988), pp. 172-203]. Key words, elliptic equation with piecewise analytic data, Dirichlet problem, corner singularities AMS(MOS) subject classifications. 35B65, 35D10, 35G15, 35J05