On a problem by V. A. Toponogov

DOI10.3103/S1055134411030023zbMath1249.26027MaRDI QIDQ2880496

Valeriĭ Nikolaevich Berestovskiĭ

Publication date: 13 April 2012

Published in: Siberian Advances in Mathematics (Search for Journal in Brave)

zbMATH Keywords

gradientCauchy surfacecausal pastcausal futureglobally-hyperbolic space-timenonspacelike curvenonspacelike vector

Mathematics Subject Classification ID

Inequalities involving derivatives and differential and integral operators (26D10) Local differential geometry of Lorentz metrics, indefinite metrics (53B30) Real-valued functions on manifolds (58C05)

Related Items (1)

Functions with (non)timelike gradient on a space-time

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