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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 .

  • Provider: AAS Journals

Caption: Figure 4.

The ANN reconstruction results applied to the mock CC datasets across four different network architectures. The single-layer configurations (panels (a) and (b)) demonstrate stable recovery of the fiducial cosmology, whereas the dual-layer configurations (panels (c) and (d)) exhibit severe overfitting behaviors, tightly winding around the noisy scattered points.

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