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\|	\|	gilkalai.wordpress.com To cheer you up in difficult times 25: some mathematical news! (Part 2) \| Combinatorics and more	4.9 parsecs away Travel
\|	\|	Topology Quasi-polynomial algorithms for telling if a knot is trivial Marc Lackenby announced a quasi-polynomial time algorithm to decide whether a given knot is the unknot! This is a big breakthrough. This question is known to be both in NP and in coNP. See this post, and updates there in the comment section. Topology seminar,...	4.9 parsecs away Travel
\|	\|	www.qri.org The Hyperbolic Geometry of DMT Experiences: Symmetries, Sheets, and Saddled Scenes	11.7 parsecs away Travel
\|	\|	Content Warning: Trying to understand the contents of this essay may be mindwarping. Proceed with caution.	11.7 parsecs away Travel
\|	\|	mycqstate.wordpress.com Tsirelson's bound \| MyCQstate	6.6 parsecs away Travel
\|	\|	Boris Tsirelson (or Cirel'son, or ?, or ?) is an Israeli (born Russian) mathematician currently at Tel-Aviv university. Here is the picture from his Wikipedia entry: he has such an incredible stare, he irresistibly reminds me of Orson Welles (picture below). Two great magicians! Tsirelson worked on the mathematical foundations of nonlocality in the early...	6.6 parsecs away Travel
\|	\|	eccc.hpi-web.de ECCC - TR15-057	25.7 parsecs away Travel
\|		Homepage of the Electronic Colloquium on Computational Complexity located at the Weizmann Institute of Science, Israel	25.7 parsecs away Travel