Wednesday, August 5, 2020

Mathematical Summer Conversations 11

6 Aug 2020

Christian Rose

An Introduction to Python Through the Apollonian Gasket

 Recording

Friday, July 17, 2020

Mathematical Summer Conversations 10

:Jupyter logo - from the Wiki
23 and 30 July

Philip Feinsilver

Wrapped with Python

Part 1:  Recording
Part 2:  Recording

Wednesday, July 8, 2020

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:
For part 2:

Tuesday, June 30, 2020

Mathematical Summer Conversations 7

Click on the image to see details
2 July 2020

Dinush Lanka
Ford circles and spin networks

Recording


Monday, June 22, 2020

Mathematical Summer Conversations 6


25 June 2020

Robert Owczarek
Kauffman,  Chebyshev, Fibonacci, Lucas

Recording

Monday, June 15, 2020

Sunday, June 7, 2020

Mathematical Summer Conversations 4

Eugène Charles Catalan
11 June 2020

Philip Feinsilver

Factorials, Catalan's, Krawtchouk's

Suggested pre-presentation reading







Friday, May 29, 2020

Mathematical Summer Conversations 3

4 June 2020

Hanna Makaruk
Uncertainty about Uncertainty
Hanna's talk  (pdf slides)

Hanna's email:  <hanna_m@lanl.gov>
She invites comments, questions, and suggestions.

Sunday, May 24, 2020

Mathematical Summer Conversations 2


Click on the image to enlarge
28 May 2020
Borzu Toloui 
A short introduction to Constructor TheoryA new mode of explanation in physics and beyond





If you are interested, please send your questions to Borzu or me, or add them to the comments area.  We will ask Borzu for another Q&A session in the near future.



Wednesday, May 20, 2020

Mathematical Summer Conversations


21 May 2020
John McSorley
Combinatorial miscellanea and gossip

Here is the PDF of the talk.

Recording:  1. The first 2 min.  2. The main body, 50 min.





Saturday, May 9, 2020

connections


14 May, 2020 

Philip Feinsilver

Secret passage through Lie algebras, recurrences, and polynomials









Monday, May 4, 2020

Light

From https://meanjin.com.au/blog/the-slow-light-of-truth/
6 May 2020
(Note -- WEDNESDAY)

Mohammad Sayeh

Slow light  (photons calmed)


[recording]




Two papers (click): 


And the book suggested by Mohammad:  "Fast Light, Slow Light and Left-Handed Light" by P W Milonni, 2005.  [AmazonPDF]

In comments use dollar signs and latex to get math formating.  For instance $\frac{7}{3}=\det\begin{bmatrix}a&b\\ c&d\end{bmatrix}$.