P. Ehrlich

发表

A Toponogov splitting theorem for Lorentzian manifolds

G. Galloway, S. Markvorsen, J. Beem, 1985 .

Incompleteness of timelike submanifolds with nonvanishing second fundamental form

J. Beem, P. Ehrlich, 1985 .

Line integration of Ricci curvature and conjugate points in Lorentzian and Riemannian manifolds

C. Chicone, P. Ehrlich, 1980 .

Singularities, incompleteness and the Lorentzian distance function

J. Beem, P. Ehrlich, 1979, Mathematical Proceedings of the Cambridge Philosophical Society.

A curvature obstruction to covering deformations of connections by metric deformations

P. Ehrlich, 1975 .

Dirichlet regions in manifolds without conjugate points

Hans-Christoph Im Hof, Paul E. Ehrlich, P. Ehrlich, 1979 .

Title Boundary points of the Dirichlet fundamentalregion

P. Ehrlich, 2022 .

Metric circles and bisectors

P. Ehrlich, Hans-Christoph Im Hof, 1978 .

Global Lorentzian Geometry

John K. Beem, J. Beem, Paul E. Ehrlich, 1981 .

Metric deformations of curvature

P. Ehrlich, 1976 .

Timelike isometries and killing fields

S. Markvorsen, J. Beem, P. Ehrlich, 1988 .

A Personal Perspective on Global Lorentzian Geometry

P. Ehrlich, 2006 .

Stability of geodesic incompleteness for Robertson-Walker space-times

J. Beem, P. Ehrlich, 1981 .

Volume Comparison Theorems for Lorentzian Manifolds

P. Ehrlich, Y. Jung, Seon-Bu Kim, 1998 .

Constant scalar curvatures on warped product manifolds

P. Ehrlich, Seon-Bu Kim, Jung Yoon-Tae, 1996 .

Decomposition theorems for Lorentzian manifolds with nonpositive curvature

G. Galloway, S. Markvorsen, J. Beem, 1985 .

Some semi-Riemannian volume comparison theorems

P. Ehrlich, Miguel Sánchez Caja, 1998, math/9811166.

The space-time cut locus

J. Beem, P. Ehrlich, 1979 .

Continuity properties of the injectivity radius function

Compositio Mathematica, P. Ehrlich, 2019 .