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You are here		www.math.columbia.edu Math and Physics Roundup \| Not Even Wrong
\|	\|	gilkalai.wordpress.com To cheer you up in difficult times 25: some mathematical news! (Part 2) \| Combinatorics and more	50.0 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,...	50.0 parsecs away Travel
\|	\|	4gravitons.com Am I a String Theorist? \| 4 gravitons	62.5 parsecs away Travel
\|	\|	Perimeter, like most institutes of theoretical physics, divides their researchers into semi-informal groups. At Perimeter, these are: Condensed Matter Cosmology Mathematical Physics Particle Physics Quantum Fields and Strings Quantum Foundations Quantum Gravity Quantum Information Strong Gravity I'm in the Quantum Fields and Strings group, which many people seem to refer to simply as the String...	62.5 parsecs away Travel
\|	\|	terrytao.wordpress.com Ask yourself dumb questions - and answer them! \| What's new	62.5 parsecs away Travel
\|	\|	Don't just read it; fight it! Ask your own questions, look for your own examples, discover your own proofs. Is the hypothesis necessary? Is the converse true? What happens in the classical sp...	62.5 parsecs away Travel
\|	\|	ianwrightsite.wordpress.com Notes on a Hegelian interpretation of Riemann's Zeta function - ???????? ??????????????	170.4 parsecs away Travel
\|		Riemann's Zeta function is an infinite sublation of Hegelian integers.	170.4 parsecs away Travel