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Academic Articles & Research Papers
Showing 9 of 9 academic articles
Luis Lehner, Frans Pretorius • Annual Review of Astronomy and Astrophysics
(2014)
Throughout the Universe many powerful events are driven by strong gravitational effects that require general relativity to fully describe them. These include compact binary mergers, black hole accretion, and stellar collapse, where velociti...
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Open Access
DOI: https://doi.org/10.1146/annurev-astro-081913-040031
Muhammad Fitrah Alfian Rangga Sakti • Physics Letters B
(2026)
We construct the exact stellar configurations that contain an ordinary perfect-fluid matter that interacts minimally with a condensate of gravitons with distinct pressure conditions on the surface. We propose vanishing transverse pressure o...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.physletb.2026.140158
Alexandra Oltea Dan, Alin Ștefănescu-Dima, Andrei Teodor Bălășoiu, Ileana Puiu et al. • Diagnostics
(2023)
The purpose of this study is to identify and quantify preclinical changes with the help of optical coherence tomography angiography (OCTA) within the retinal microcirculation of young type 1 diabetes (T1D) patients without clinical signs of...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/diagnostics13091648
Mark Fingerhuth, Tomáš Babej, Péter Wittek • PLoS ONE
(2018)
Open source software is becoming crucial in the design and testing of quantum algorithms. Many of the tools are backed by major commercial vendors with the goal to make it easier to develop quantum software: this mirrors how well-funded ope...
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DOI: https://doi.org/10.1371/journal.pone.0208561
PMC: 6301779
Hari N. N., Kurunandan Jain, Prabu P, Prabhakar Krishnan • Future Internet
(2026)
The rapid evolution of 6G networks and large-scale Internet of Things (IoT) deployments intensifies security and privacy challenges in embedded SIM (eSIM) Remote SIM Provisioning (RSP), particularly during the bootstrap and profile delivery...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/fi18040187
Daria Mangileva, Pavel Konovalov, Arsenii Dokuchaev, Olga Solovyova et al. • Mathematics
(2021)
Rotating nonlinear waves of excitation in the heart cause dangerous cardiac arrhythmias. Frequently, ventricular arrhythmias occur as a result of myocardial infarction and are associated with rotation of the waves around a post-infarction s...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/math9222911
John W. Moffat • Axioms
(2025)
An approach is presented to resolve key paradoxes in black hole physics through the application of complex Riemannian spacetime. We extend the Schwarzschild metric into the complex domain, employing contour integration techniques to remove ...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/axioms14060440
Pedro Teixidó, Juan Antonio Gómez-Galán, Rafael Caballero, Francisco J. Pérez-Grau et al. • Sensors
(2021)
Perimeter detection systems detect intruders penetrating protected areas, but modern solutions require the combination of smart detectors, information networks and controlling software to reduce false alarms and extend detection range. The ...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/s21217379
Juan Carrasquilla, Roger G. Melko • Nature Physics
(2017)
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Open Access
DOI: https://doi.org/10.1038/nphys4035