https://en.wikipedia.org/wiki/Apollonian_gasket
Apollonian gasket - Wikipedia
apollonian gasketwikipedia
https://www.unsw.edu.au/science/our-schools/maths/engage-with-us/seminars/2025/Computing-the-Hausdorff-dimension-of-the-Apollonian-gasket
Computing the Hausdorff dimension of the Apollonian gasket
hausdorff dimensioncomputingapolloniangasket