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- Instituto de Geofísica y AstronomíaCU2 papers
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5 papers
Dynamical axisymmetric compact objects in General Relativity
Jibril Ben Achour, Adolfo Cisterna, Mokhtar Hassaine
The search for exact solutions describing asymptotically FLRW compact objects in General Relativity remains a challenging problem. Progress has largely been limited to the spherica…
Physical characterization of the local system NGC 1313: A flattening in its chemical abundance by past interactions
Belén Ojeda-DÃaz, Sergio Torres-Flores, Daniela E. Olave-Rojas +5
Interacting galaxies provide unique information on morphological transformation, enhanced star formation, and chemical evolution, and thus contribute to understanding the complex e…
Rotating black holes with primary hair in five-dimensional generalized Proca theory
Mokhtar Hassaine, Ulises Hernandez-Vera
This work presents a new class of exact analytic rotating black hole solutions within five-dimensional generalized Proca theories. Through a Kerr-Schild ansatz where the Proca fiel…
Multiset semantics in SPARQL, Relational Algebra and Datalog
Renzo Angles, Claudio Gutierrez, Daniel Hernández
The paper analyzes and characterizes the algebraic and logical structure of the multiset semantics for SPARQL patterns involving AND, UNION, FILTER, EXCEPT, and SELECT. To do this,…
The S-PLUS Fornax Project (S+FP): An extragalactic catalog covering 5 virial radii around NGC 1399 with galaxy properties
R. F. Haack, A. V. Smith Castelli, L. Sodré +22
Observational extragalactic catalogs over wide sky areas are essential for uncovering the large-scale structure of the Universe. They allow, among others, cosmological studies and…