Fig. 7.
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Distribution of central galaxies (blue dots) and cosmic-web filaments (orange lines) in polar coordinates. The angular axis represents right ascension (RA), and the radial axis corresponds to redshift. Each of the six panels shows filaments extracted with different combinations of persistence threshold (3σ or 5σ) and smoothing level (0, 1, or 2) using DisPerSE. The underlying galaxy sample is identical across all panels to highlight the effect of varying DisPerSE parameters on filament detection.
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