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On the lack of \(L^\infty\)-estimates for solutions of elliptic systems or equations with complex coefficients. (English) Zbl 0507.35024

Harmonic analysis, Conf. in Honor A. Zygmund, Chicago 1981, Vol. 2, 557-576 (1983).

MSC:

35J25 Boundary value problems for second-order elliptic equations
35B45 A priori estimates in context of PDEs
35J05 Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation

Citations:

Zbl 0493.00009