Delfour, Michel C. Hadamard semidifferential of continuous convex functions. (English) Zbl 07774544 Pure Appl. Funct. Anal. 8, No. 5, 1341-1356 (2023). MSC: 26B25 58C25 46G05 46T20 26E15 26E20 49Q10 49Q12 58C20 PDFBibTeX XMLCite \textit{M. C. Delfour}, Pure Appl. Funct. Anal. 8, No. 5, 1341--1356 (2023; Zbl 07774544) Full Text: Link
Bogosel, Beniamin; Bucur, Dorin; Giacomini, Alessandro Optimal shapes maximizing the Steklov eigenvalues. (English) Zbl 1367.49037 SIAM J. Math. Anal. 49, No. 2, 1645-1680 (2017). MSC: 49R05 49J35 58C40 26A45 49J45 49M30 PDFBibTeX XMLCite \textit{B. Bogosel} et al., SIAM J. Math. Anal. 49, No. 2, 1645--1680 (2017; Zbl 1367.49037) Full Text: DOI