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Home AstroAI Workshop 2025
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AstroAI Workshop 2025

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Hossein Hatamnia

AI-Driven Methods for Identifying Cosmic Web Environments

Presenter: Hossein Hatamnia

Title: AI-Driven Methods for Identifying Cosmic Web Environments

Date/Time: Monday, July 7th, 3:30 - 5:00 PM

Abstract: Identifying large-scale cosmic web structures in observational data remains challenging, particularly at high redshifts where traditional physical methods face limitations due to noise, sparsity, and resolution. In this work-in-progress, I explore a range of machine learning approaches — including Graph Neural Networks (GNNs), autoencoders, self-organizing maps (SOMs), contrastive learning, and clustering — for classifying cosmic environments from galaxy survey data. I compare the strengths and limitations of each method and assess their potential to complement or surpass traditional techniques in cosmic web analysis.

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