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You are here		mathenchant.wordpress.com When 1+1+1 Equals 1 \|
\|	\|	www.quantamagazine.org Why Mathematical Proof Is a Social Compact \| Quanta Magazine	6.4 parsecs away Travel
\|	\|	Number theorist Andrew Granville on what mathematics really is - and why objectivity is never quite within reach.	6.4 parsecs away Travel
\|	\|	gilkalai.wordpress.com To cheer you up in difficult times 25: some mathematical news! (Part 2) \| Combinatorics and more	6.3 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,...	6.3 parsecs away Travel
\|	\|	micromath.wordpress.com Donald Knuth: Calculus via O notation \| Mathematics under the Microscope	5.8 parsecs away Travel
\|	\|	Continuing the theme of alternative approaches to teaching calculus, I take the liberty of posting a letter sent by Donald Knuth to to the Notices of the American Mathematical Society in March, 1998 (TeX file). Professor Anthony W. Knapp P O Box 333 East Setauket, NY 11733 Dear editor, I am pleased to see so...	5.8 parsecs away Travel
\|	\|	77wolfhowls.wordpress.com Metal Detectors In Movie Theaters \| Wolf Howls	18.3 parsecs away Travel
\|		Metal Detectors In Movie Theaters.	18.3 parsecs away Travel