Methodology
- Data DESI DR1 void catalog (Zhou et al. 2023) with void radii 20--100 Mpc/h. Â
- Simulations
- RSH Compute fractal dimension \( D \) from simulated void hierarchy using box-counting: Â
  \[N(r) \propto r^{-D},\] Â
where \( N(r) \) is the number of voids of radius \( r \). Â
 - CDM: Same analysis on Millennium Simulation voids. Â
Results: Â
| Source    | Fractal Dimension (D) | Â
| RSH Â Â Â | 2.7 0.1 Â Â Â Â Â Â | Â
| DESI Data| 2.6 0.2 Â Â Â Â Â Â | Â
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