A Symmetry of the Einstein–Friedmann Equations for Spatially Flat, Perfect Fluid, Universes by Valerio Faraoni

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The Cosmological Constant as Event Horizon by Enrique Gaztanaga

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Self-gravitating anisotropic model in general relativity under modified Van der Waals equation of state: a stable configuration by Abdelghani Errehymy, G. Mustafa, Youssef Khedif, Mohammed Daoud, H. I. Alrebdi, Abdel-Haleem Abdel-Aty

“…Abstract The purpose of this paper consists in presenting models of compact stars described by a new class of exact solutions to the field equations, in the context of general relativity, for a fluid configuration which is locally anisotropic in the pressure. …”
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Correction: Mashhoon, B. Critical Tidal Currents in General Relativity. <i>Universe</i> 2020, <i>6</i>, 104 by Bahram Mashhoon

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A New Class of Estimators Based on a General Relative Loss Function by Tao Hu, Baosheng Liang

“…Motivated by the relative loss estimator of the median, we propose a new class of estimators for linear quantile models using a general relative loss function defined by the Box–Cox transformation function. …”
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Intercepting Higher-Speed Targets Using Generalized Relative Biased Proportional Navigation

“…To intercept a higher-speed target in the terminal guidance phase, this paper proposes a generalized relative biased proportional navigation (BPN) law. …”
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Inferring general relations between network characteristics from specific network ensembles. by Stefano Cardanobile, Volker Pernice, Moritz Deger, Stefan Rotter

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A new laser-ranged satellite for General Relativity and space geodesy: III. De Sitter effect and the LARES 2 space experiment by Ignazio Ciufolini, Richard Matzner, Vahe Gurzadyan, Roger Penrose

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Relativity groups and topology by 302492 DeWitt-Morette, Cecile, Dewitt, Bryce S. (Bryce Seligman), 1923-

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Kerelatifan dan Einstein : kekuatan pemikiran / by 281869 Chen, Ying Tian, Mustamam Abdul Karim

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QUÉ PUEDE DECIRNOS LA RELATIVIDAD GENERAL RESPECTO DE LA FLECHA DEL TIEMPO by CRISTIAN LÓPEZ

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Reconstruction of a Scale-dependent Gravitational Phase Transition by Marzieh Farhang, Nima Khosravi

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Relativistic theory of the asymmetric field by Mississippi Valenzuela

Subjects: “…General Relativity, Curvature Tensor, field equations, Bianchi's identities.…”
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Curvature Invariants for Lorentzian Traversable Wormholes by Brandon Mattingly, Abinash Kar, William Julius, Matthew Gorban, Cooper Watson, MD Ali, Andrew Baas, Caleb Elmore, Bahram Shakerin, Eric Davis, Gerald Cleaver

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Covariant Space-Time Line Elements in the Friedmann–Lemaitre–Robertson–Walker Geometry by David Escors, Grazyna Kochan

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Example of negative energy density in a classical electron model by Nelson Christensen

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On the Counter-Rotation of Closed Time-like Curves by Yuanyuan Duan, Fangxun Liu, Yu Wang, Yen Chin Ong

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Ellis–Bronnikov Wormholes in Asymptotically Safe Gravity by G. Alencar, V. B. Bezerra, C. R. Muniz, H. S. Vieira

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Rotation of galaxies and dark matter by V.A. Golovko

Subjects: “…General relativity…”
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Curvature Spinors in Locally Inertial Frame and the Relations with Sedenion by In Ki Hong, Choong Sun Kim, Gyung Hyun Min

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