Monthly Archives: November 2011

High Dimensional Expanders: Introduction I

Posted on November 12, 2011 by Gil Kalai

Alex Lubotzky and I  are running together a year long course at HU on High Dimensional Expanders. High dimensional expanders are simplical (and more general) cell complexes which generalize expander graphs. The course is taking place in Room 110 of the mathematics building on … Continue reading →

Posted in Combinatorics, Teaching | Tagged | 6 Comments

Noise Sensitivity and Percolation. Lecture Notes by Christophe Garban and Jeff Steif

Posted on November 6, 2011 by Gil Kalai

Lectures on noise sensitivity and percolation is a new beautiful monograph by Christophe Garban and Jeff Steif. (Some related posts on this blog: 1, 2, 3, 4, 5)

Posted in Combinatorics, Probability | Tagged , , , , | Leave a comment

The Internet, Journals and all that.

Posted on November 3, 2011 by Gil Kalai

Tim Gowers wrote an interesting post where he proposed in surprising many details an Internet mechanism (mixing ingredients from the arXive, blogs, MathOverflow and polymath projects) to replace Journals. Noam Nisan (who advocated similar changes over the years) wrote an interesting related … Continue reading →

Posted in Academics, Mathematics over the Internet | Tagged , | 4 Comments