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- Institute for Research in Fundamental SciencesIR35 papers
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153 papers
Quantum Adversarial Machine Learning: From Classical Adaptations to Quantum-Native Methods
Roozbeh Razavi-Far, Mohammad Meymani, Erfan Mahmoudinia +6
Machine learning has revolutionized numerous industrial domains. Despite recent advances, machine learning models remain vulnerable to adversarial threats. Adversarial machine lear…
Cosmic Environment as the Primary Driver of Dwarf Satellite Statistics
Saeed Tavasoli, Parsa Ghafour
Context: Satellite dwarf galaxies provide key constraints on galaxy formation and evolution, since their abundance and spatial distribution reflect both the host properties and the…
Photon decaying in de Sitter universe
Y. Ahmadi, M. V. Takook
The interaction between three photons is studied in de Sitter ambient space formalism. As a special case the half harmonic generator is considered, {\it i.e.} one photon decays to…
The Filament Rift: CDM's Structural Challenge Against Observation
Saeed Tavasoli, Parsa Ghafour
This study presents the first extended comparison of cosmic filaments identified in SDSS DR10 observations () and the IllustrisTNG300-1 CDM simulation (), utili…
Constraining Cubic Curvature Corrections to General Relativity with Quasi-Periodic Oscillations
Alireza Allahyari, Liang Ma, Shinji Mukohyama +1
We investigate observational constraints on cubic curvature corrections to general relativity by analyzing quasi-periodic oscillations (QPOs) in accreting black hole systems. In pa…
Lorentz Violation with Gravitational Waves: Constraints from NANOGrav and IPTA Data
Alireza Allahyari, Mohammadreza Davari, David F. Mota
We explore a theoretical framework in which Lorentz symmetry is explicitly broken by incorporating derivative terms of the extrinsic curvature into the gravitational action. These…