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 167 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 × Cite Format Result Cite Review PDF Full Text: DOI EuDML