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astro-ph.GA2026
A Graph Attention Network Framework for Simultaneous Prediction of Galaxy and Dark Matter Halo Properties in GAMA DR4
Sandeep Aashish, Abhay V Hegde, Aditya Prakash Gupta +4
We develop a graph-based deep learning model, GAMANet, to predict galaxy and halo properties using the GAMA DR4 dataset. Multiple catalogues are combined to construct a unified sam…
gr-qc2026
Quantizability of Lorentz-violating field theories with singular Hamiltonians
Sandeep Aashish, Md Saif
Spontaneous Lorentz-violating models of an antisymmetric tensor field are known to possess a singular Hamiltonian on the vacuum manifold, leading to unresolvable pathologies that r…