Calculus of Variations and Partial Differential Equations · 2013 · 28 citations · 8 references
Natural SciencesAstronomyGeometryCurved SpacetimeRiemannian GeometrySymplectic GeometryEigenvalue ComputationGeodesic EquationsSpherical Metrics
8
Einar Hille · Transactions of the American Mathematical Society · 1948 · 344 citations · Full text
Spectra of domains in compact manifolds
Isaac Chavel, Edgar Feldman · Journal of Functional Analysis · 1978 · 79 citations
On surfaces with no conjugate points
Werner Ballmann, Michael Brin, Keith Burns · Journal of Differential Geometry · 1987 · 46 citations · Full text
Neil N. Katz, Kei Kondo · Transactions of the American Mathematical Society · 2002 · 33 citations · Full text
Natural Sciences, Physics, Geometry +14