Tenenbaum, G.; Tucsnak, M. Fast and strongly localized observation for the Schrödinger equation. (English) Zbl 1158.93013 Trans. Am. Math. Soc. 361, No. 2, 951-977 (2009). MSC: 93B07 93C25 93C20 11N36 35J10 PDFBibTeX XMLCite \textit{G. Tenenbaum} and \textit{M. Tucsnak}, Trans. Am. Math. Soc. 361, No. 2, 951--977 (2009; Zbl 1158.93013) Full Text: DOI
Schechter, M.; Zou, W. Sign-changing critical points from linking type theorems. (English) Zbl 1186.35042 Trans. Am. Math. Soc. 358, No. 12, 5293-5318 (2006). MSC: 35J20 35J25 58E05 PDFBibTeX XMLCite \textit{M. Schechter} and \textit{W. Zou}, Trans. Am. Math. Soc. 358, No. 12, 5293--5318 (2006; Zbl 1186.35042) Full Text: DOI