Ackermann, Nils; Cano, Alfredo; Hernández-Martínez, Eric Spectral density estimates with partial symmetries and an application to Bahri-Lions-type results. (English) Zbl 1372.35078 Calc. Var. Partial Differ. Equ. 56, No. 1, Paper No. 6, 19 p. (2017). Reviewer: Vladimir Mityushev (Kraków) MSC: 35J05 35J61 PDF BibTeX XML Cite \textit{N. Ackermann} et al., Calc. Var. Partial Differ. Equ. 56, No. 1, Paper No. 6, 19 p. (2017; Zbl 1372.35078) Full Text: DOI OpenURL
Ackermann, Nils Multiple single-peaked solutions of a class of semilinear Neumann problems via the category of the domain boundary. (English) Zbl 0917.35037 Calc. Var. Partial Differ. Equ. 7, No. 3, 263-292 (1998). Reviewer: Charles A.Swanson (Vancouver) MSC: 35J65 35J20 58E05 PDF BibTeX XML Cite \textit{N. Ackermann}, Calc. Var. Partial Differ. Equ. 7, No. 3, 263--292 (1998; Zbl 0917.35037) Full Text: DOI OpenURL