activity
20072025
most citedExtremal rotating solutions in Horava Gravity

103 citations · 852 across the 48 of their papers we have counts for

collaborators

48 papers

astro-ph.CO2025

Stochastic analysis of finite-temperature effects on cosmological parameters by artificial neural networks

Armin Hatefi, Ehsan Hatefi, I. Y. Park

We explore the impact of finite-temperature quantum gravity effects on cosmological parameters, particularly the effective vacuum-energy sector, by incorporating temperature-depend…

hep-th2024★ 1 cited

Neural Networks Assisted Metropolis-Hastings for Bayesian Estimation of Critical Exponent on Elliptic Black Hole Solution in 4D Using Quantum Perturbation Theory

Armin Hatefi, Ehsan Hatefi, Roberto J. Lopez-Sastre

It is well-known that the critical gravitational collapse produces continuous self-similar solutions characterized by the Choptuik critical exponent, . We examine the solutions…

hep-th2023★ 2 cited

Sequential Monte Carlo with Cross-validated Neural Networks for Complexity of Hyperbolic Black Hole Solutions in 4D

Armin Hatefi, Ehsan Hatefi

This paper investigates the self-similar solutions of the Einstein-axion-dilaton configuration from type IIB string theory and the global SL(2,R) symmetry. We consider the Continuo…

gr-qc2023★ 2 cited

Modeling the complexity of Elliptic Black Hole Solution In 4D Using Hamiltonian Monte Carlo with Stacked Neural Networks

Armin Hatefi, Ehsan Hatefi, Roberto J. López-Sastre

In this paper, we study the black hole solution of self-similar gravitational collapse in the Einstein-axion-dilaton system for the elliptic class in four dimensions. The solution…

gr-qc2023★ 7 cited

Analysis of Black Hole Solutions in Parabolic Class Using Neural Networks

Ehsan Hatefi, Armin Hatefi, Roberto J. López-Sastre

In this paper, we introduce a numerical method based on Artificial Neural Networks (ANNs) for the analysis of black hole solutions to the Einstein-axion-dilaton system in a high di…

gr-qc2022★ 7 cited

Nonlinear Statistical Spline Smoothers for Critical Spherical Black Hole Solutions in 4-dimension

Ehsan Hatefi, Armin Hatefi

This paper focuses on self-similar gravitational collapse solutions of the Einstein--axion-dilaton configuration for two conjugacy classes of SL(2, R) transformations. These soluti…