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You are here		gilkalai.wordpress.com The Solution of Feige's conjecture by Guruswami, Kothari and Manohar (Re-blogged from "In Theory") \| Combinatorics and more
\|	\|	tetsun.com Absence: A Haiku \| Thoughts on Life	3.6 parsecs away Travel
\|	\|	Everything's the same The view, the sounds and the breeze -- But now there's just me. --- A humble haiku version of one of my favorite poems, Absence by Elizabeth Jennings.	3.6 parsecs away Travel
\|	\|	lucatrevisan.wordpress.com Feige's Conjecture and the Magic of Kikuchi Graphs \| in theory	2.6 parsecs away Travel
\|	\|	A question that I am very interested in is whether it is possible to study hypergraphs with techniques that are in the spirit of spectral graph theory. It is generally possible to ``flatten'' the adjacency tensor of a hypergraph into a matrix, especially if the hypergraph is $latex {k}&fg=000000$-uniform with $latex {k}&fg=000000$ even, and spectral...	2.6 parsecs away Travel
\|	\|	stupidityhole.com Steps from Shade to Sun \| Stupidity Hole	3.7 parsecs away Travel
\|	\|	This photo I took with the intention of seeing how the steps would look at an angle, and I think for a first attempt this turned out okay. I also wanted to highlight their shape, and I think this photo does that well. This is my submission intoLeanne Cole'sMonochrome Madness for this week. For this...	3.7 parsecs away Travel
\|	\|	mikespivey.wordpress.com The Sum of Cubes is the Square of the Sum \| A Narrow Margin	29.7 parsecs away Travel
\|		It's fairly well-known, to those who know it, that $latex \displaystyle \left(\sum_{k=1}^n k \right)^2 = \frac{n^2(n+1)^2}{4} = \sum_{k=1}^n k^3 $. In other words, the square of the sum of the first n positive integers equals the sum of the cubes of the first n positive integers. It's probably less well-known that a similar relationship holds...	29.7 parsecs away Travel