Hypersurfaces with light-like points in a Lorentzian manifold II
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DOI: 10.2996/kmj44104
Abstract: In the authors' previous work, it was shown that if a zero mean curvature $C^4$-differentiable hypersurface in an arbitrarily given Lorentzian manifold admits a degenerate light-like point, then the hypersurface contains a light-like geodesic segment… read more here.
Keywords: light like; hypersurfaces light; lorentzian manifold; points lorentzian ... See more keywords
Characterization of Ricci Almost Soliton on Lorentzian Manifolds
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DOI: 10.3390/sym15061175
Abstract: Ricci solitons (RS) have an extensive background in modern physics and are extensively used in cosmology and general relativity. The focus of this work is to investigate Ricci almost solitons (RAS) on Lorentzian manifolds with… read more here.
Keywords: lorentzian manifold; ssm connection; connection; lorentzian manifolds ... See more keywords