Functions of time type, curvature and causality theory

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dc.contributor.authorATINDOGBE, CYRIAQUE
dc.contributor.authorHOUNNONKPE, RAYMOND
dc.date.accessioned2026-06-02T16:06:57Z
dc.date.available2026-06-02T16:06:57Z
dc.date.issued2019
dc.description.abstractIn the present paper various necessary and/or sufficient conditions in terms of the existence and properties of quasi-time functions, semi-time functions and generalized time functions are provided to get different levels of the causal ladder in spacetimes. We also show several links between curvature conditions and causality.
dc.identifier.doi10.1016/j.difgeo.2019.02.006
dc.identifier.otherBECDB-10236
dc.identifier.urihttps://dspace.uac.bj/handle/123456789/9097
dc.language.isofr
dc.relation.ispartofDifferential Geometry and its Applications
dc.subjectCausality
dc.subjectCausal hierarchy
dc.subjectGeneralized time function
dc.subjectQuasi-time function Semi-time function Null convergence condition
dc.titleFunctions of time type, curvature and causality theory
dc.typeArticle

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