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astro-ph.GA2026
The Contribution of Mergers and Accretion to Dark Matter Halo Assembly: An Excursion Set Theory Approach
Hamed Kameli
We study the relative contributions of mergers and accretion to the assembly of dark matter haloes within the framework of Excursion Set Theory (EST). We extend a variance-discreti…
astro-ph.CO2026
Localized Enhancements of the Primordial Power Spectrum and the Abundance of Early Bright Galaxies
Shaghayegh Yavari, Hamed Kameli, Shant Baghram
Recent observations of bright galaxies at high redshifts by the James Webb Space Telescope have motivated renewed interest in cosmological mechanisms that can enhance the abundance…