van den Berg, Michiel; Ferone, Vincenzo; Nitsch, Carlo; Trombetti, Cristina On a Pólya functional for rhombi, isosceles triangles, and thinning convex sets. (English) Zbl 1460.52008 Rev. Mat. Iberoam. 36, No. 7, 2091-2105 (2020). Reviewer: Mohammed El Aïdi (Bogotá) MSC: 52A20 35P15 47A75 35J25 PDFBibTeX XMLCite \textit{M. van den Berg} et al., Rev. Mat. Iberoam. 36, No. 7, 2091--2105 (2020; Zbl 1460.52008) Full Text: DOI arXiv
van den Berg, M.; Ferone, V.; Nitsch, C.; Trombetti, C. On Pólya’s inequality for torsional rigidity and first Dirichlet eigenvalue. (English) Zbl 1388.49012 Integral Equations Oper. Theory 86, No. 4, 579-600 (2016). MSC: 49J45 49R05 35P15 47A75 35J25 PDFBibTeX XMLCite \textit{M. van den Berg} et al., Integral Equations Oper. Theory 86, No. 4, 579--600 (2016; Zbl 1388.49012) Full Text: DOI arXiv