Mathematical Summer Conversations 10

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23 and 30 July

Philip Feinsilver

^Wrapped with Python

Part 1:  Recording

Part 2:  Recording

Mathematical Summer Conversations 8 and 9

9 and 16 July 2020
Jerzy Kocik
Apollonian depth fractal 
      -- an unexpected addendum
(spinors, Dedekind, and more)

Recording - part 1 -- sorry for the ink bleeding.  Never again a pen in PowerPoint! 
Recording - part 2 

Related texts:

• Apollonian depth and the accidental fractal (35 pages, arXiv:2002.04135) 
• Spinors and the Descartes configuration of circles , (21 pages, arXiv:1909.06994) 

For part 2:

• On a Diophantine equation that generates all integral Apollonian disk packings ISNR Geometry, 17 2007 pp. 71-93.
• Spinors, lattices, and classification of integral Apollonian disk packings. (35 pages, arXiv:2001.05866)
• On the Dedekind tessellation (16 pages, arXiv:1912.05768)
• The Dedekind tessellation by Lievenlb.