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astro-ph.IM2026
Cosmo3DFlow: Wavelet Flow Matching for Spatial-to-Spectral Compression in Reconstructing the Early Universe
Md. Khairul Islam, Zeyu Xia, Ryan Goudjil +3
Reconstructing the early universe from the evolved present-day universe is a challenging and computationally demanding problem in modern astrophysics. We devise a novel generative…
astro-ph.IM2026
OmniSpectra: A Unified Foundation Model for Universal Spectra Representation Learning
Md Khairul Islam, Judy Fox, Zeyu Xia +1
Standard sequence models encode position by token rank rather than physical coordinate, typically forcing practitioners to destructively resample continuous physical signals such a…