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Revisiting the Hubble Tension with DESI DR2 Baryon Acoustic Oscillation Observations and Machine Learning Methods

Authors: Chenfa Zheng, Shuo Cao, Wuzheng Guo, Qiumin Wang, Xinyue Jiang, Marek Biesiada, Tonghua Liu

Chenfa Zheng et al 2026 The Astrophysical Journal Supplement Series 285 .

Caption: Figure 2.

The 1D and 2D marginalized posterior distributions for (Ω_m, w₀, w_a, σ_f, l) in the SN Ia reconstruction with GPR.