Lytchak, Alexander; Thorbergsson, Gudlaugur Variationally complete actions on nonnegatively curved manifolds. (English) Zbl 1133.53019 Ill. J. Math. 51, No. 2, 605-615 (2007). Reviewer: Valentin Boju (Montreal) MSC: 53C12 53C20 53C22 58E05 PDFBibTeX XMLCite \textit{A. Lytchak} and \textit{G. Thorbergsson}, Ill. J. Math. 51, No. 2, 605--615 (2007; Zbl 1133.53019)
Rohrlich, David E. Root numbers of Jacobi-sum Hecke characters. (English) Zbl 0755.11036 Ill. J. Math. 36, No. 1, 155-176 (1992). Reviewer: Jannis A. Antoniadis (Iraklion) MSC: 11R42 PDFBibTeX XMLCite \textit{D. E. Rohrlich}, Ill. J. Math. 36, No. 1, 155--176 (1992; Zbl 0755.11036)