\(H^2\)-regularity of an elliptic Neumann problem in a convex polygon. (Chinese. English summary) Zbl 1504.35147
MSC:
35J25 | Boundary value problems for second-order elliptic equations |
35B65 | Smoothness and regularity of solutions to PDEs |
35J25 | Boundary value problems for second-order elliptic equations |
35B65 | Smoothness and regularity of solutions to PDEs |