About me and this blog. Science is too valuable not to be free. This post is about a remarkable construction due to Bestvina-Bromberg-Fujiwara. It has been first used to show that the asymptotic dimension of Mapping Class Groups is finite, and it is quite useful, for example, in this great paper. Now consider all its lifts to.

Nine Chapters on the Semigroup Art. While Googling something or other, I came across Nine Chapters on the Semigroup Art. Which is a leisurely introduction to the theory of semigroups. What Did Grothendieck Do? 1 January, 2015. Since Descartes, a major topic of mathematics research is understanding the solutions to .

Come for the math, stay for the puns. The cost of fairness in location-based ads. Below is the article that I submitted as part of my application for the AAAS Mass Media Fellowship. And I very lightly dive into it. Jeremy Kun just blogged a nice explanation of earthmover distance.

Exploring the subgroups of non-positively curved groups. So I believe in fairies, the myths, dragons. Here are a couple of corners of the landscape that we are conscious of having failed to explore.

Posted by Jason Polak on 08. Middot; Write a comment. Suppose the police suspect you and your friend of robbing one billion dollars in bitcoin. The police can only charge you and your friend with the small crime of possession of a sawed-off shotgun, however, and want both of you to confess to the robbery. Middot; Write a comment.

Is a permutation with 8 cycles, all of whose lengths divide 12. Has 27, what is the cycle type of w? What can we say if we drop the guarantee that all cycle lengths divide 12? February 16, 2013. Reverse Regression and Salary Discrimination,.

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What are you looking for? John D. Archangel Gabriel will make you a topos. The book has a promising start. They have observed a mysterious spectrum, and need his advice. 8220;Comment était-il arrivé là? .