Gallot, S.; Meyer, D. D’un résultat Hilbertien à un principe de comparaison entre spectres. Applications. (On a Hilbert type result on a comparison principle between spectra. Applications). (French) Zbl 0722.53037 Ann. Sci. Éc. Norm. Supér. (4) 21, No. 4, 561-591 (1988). Reviewer: X.-P.Wang (Nantes) MSC: 53C20 58J50 PDF BibTeX XML Cite \textit{S. Gallot} and \textit{D. Meyer}, Ann. Sci. Éc. Norm. Supér. (4) 21, No. 4, 561--591 (1988; Zbl 0722.53037) Full Text: DOI Numdam EuDML OpenURL
Gallot, S.; Meyer, D. D’un résultat Hilbertien à un principe de comparaison entre spectres. Applications. (On a result of Hilbert concerning a comparison principle between spectra. Applications). (French) Zbl 0673.58045 Ann. Sci. Éc. Norm. Supér. (4) 21, No. 4, 561-591 (1988). Reviewer: M.Craioveanu MSC: 58J50 53C20 PDF BibTeX XML Cite \textit{S. Gallot} and \textit{D. Meyer}, Ann. Sci. Éc. Norm. Supér. (4) 21, No. 4, 561--591 (1988; Zbl 0673.58045) Full Text: DOI Numdam EuDML OpenURL
Hulin, Dominique Pinching and Betti numbers. (English) Zbl 0535.53033 Ann. Global Anal. Geom. 3, No. 1, 85-93 (1985). MSC: 53C20 PDF BibTeX XML Cite \textit{D. Hulin}, Ann. Global Anal. Geom. 3, No. 1, 85--93 (1985; Zbl 0535.53033) Full Text: DOI OpenURL
Bourguignon, Jean-Pierre; Karcher, Hermann Curvature operators: Pinching estimates and geometric examples. (English) Zbl 0386.53031 Ann. Sci. Éc. Norm. Supér. (4) 11, No. 1, 71-92 (1978). MSC: 53C20 53C25 PDF BibTeX XML Cite \textit{J.-P. Bourguignon} and \textit{H. Karcher}, Ann. Sci. Éc. Norm. Supér. (4) 11, No. 1, 71--92 (1978; Zbl 0386.53031) Full Text: DOI Numdam EuDML OpenURL
Grove, Karsten; Karcher, Hermann; Ruh, Ernst A. Group actions and curvature. (English) Zbl 0271.53044 Invent. Math. 23, 31-48 (1974). MSC: 53C20 57S15 53C55 PDF BibTeX XML Cite \textit{K. Grove} et al., Invent. Math. 23, 31--48 (1974; Zbl 0271.53044) Full Text: DOI EuDML OpenURL