Cheng, Shiu-Yuen Eigenfunctions and nodal sets. (English) Zbl 0334.35022 Comment. Math. Helv. 51, 43-55 (1976). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 7 ReviewsCited in 126 Documents MSC: 35J05 Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation 53C20 Global Riemannian geometry, including pinching 35P99 Spectral theory and eigenvalue problems for partial differential equations PDF BibTeX XML Cite \textit{S.-Y. Cheng}, Comment. Math. Helv. 51, 43--55 (1976; Zbl 0334.35022) Full Text: DOI EuDML