Jammes, Pierre Multiplicity of the Steklov spectrum on surfaces and the chromatic numbers. (Multiplicité du spectre de Steklov sur les surfaces et nombre chromatique.) (French. English, French summaries) Zbl 1336.58019 Pac. J. Math. 282, No. 1, 145-171 (2016). MSC: 58J50 35P15 57M15 PDFBibTeX XMLCite \textit{P. Jammes}, Pac. J. Math. 282, No. 1, 145--171 (2016; Zbl 1336.58019) Full Text: DOI arXiv
Behrndt, Jussi; Exner, Pavel; Lotoreichik, Vladimir Schrödinger operators with \(\delta\)- and \(\delta'\)-interactions on Lipschitz surfaces and chromatic numbers of associated partitions. (English) Zbl 1326.47050 Rev. Math. Phys. 26, No. 8, Article ID 1450015, 43 p. (2014). Reviewer: Miyeon Kwon (Platteville) MSC: 47F05 35P05 47A55 47A63 47A75 81Q10 PDFBibTeX XMLCite \textit{J. Behrndt} et al., Rev. Math. Phys. 26, No. 8, Article ID 1450015, 43 p. (2014; Zbl 1326.47050) Full Text: DOI arXiv