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Journal of the Korean Society of Mathematical Education Series B: The Pure and Applied Mathematics / Journal of the Korean Society of Mathematical Education Series B: The Pure and Applied Mathematics, (P)1226-0657; (E)2287-6081
1998, v.5 no.1, pp.45-54
Kim, Jin-Hwan

Abstract

We study the space-times that have a unique terminal indecomposable past set or a unique terminal indecomposable future set and examine their causal boundary, and we investigate some conditions for the warped product space-times of the form (a, b) <TEX>${\times}_fF$</TEX> to have a unique terminal indecomposable past set or a unique terminal indecomposable future set.

keywords
Warped product space-time, (proper, terminal) indecomposable set, UTI space-time, causal boundary

Journal of the Korean Society of Mathematical Education Series B: The Pure and Applied Mathematics