Category Archives: Guest blogger

János Pach: Guth and Katz’s Solution of Erdős’s Distinct Distances Problem

Click here for the most recent polymath3 research thread. Erdős and Pach celebrating another November day many years ago. The Wolf disguised as Little Red Riding Hood. Pach disguised as another Pach. This post is authored by János Pach A … Continue reading

Posted in Combinatorics, Geometry, Guest blogger, Open problems | Tagged , | 13 Comments

Anat Lotan: Who is Gina II, My Own Shocking Revelation

Who’s Gina? (Part 2): My Own Shocking Revelation By: Anat Lotan It was one of those typically hot Israeli end-of-August days; a scorching summer morning, where you have to convince yourself that the cool breezes of autumn are just around … Continue reading

Posted in Gina Says, Guest blogger | Tagged , | 4 Comments

Michael Schapira: Internet Routing, Distributed Computation, Game Dynamics and Mechanism Design I

This post is authored by Michael Schapira. (It is the first in a series of two posts.) In this post, I’ll outline work on Internet routing and sketch important areas for future work, both on routing itself and, more broadly, on … Continue reading

Posted in Computer Science and Optimization, Economics, Guest blogger | Tagged , , , | 4 Comments

Joe Malkevitch: Why Planar Graphs are so Exceptional

Not only do interesting questions arise by considering the special class of planar graphs but additional special issues arise when one considers a specific plane drawing of a planar graph. This is because when a graph is drawn in the … Continue reading

Posted in Combinatorics, Guest blogger | 6 Comments

(Eran Nevo) The g-Conjecture III: Algebraic Shifting

This is the third in a series of posts by Eran Nevo on the g-conjecture. Eran’s first post was devoted to the combinatorics of the g-conjecture and was followed by a further post by me on the origin of the g-conjecture. … Continue reading

Posted in Combinatorics, Convex polytopes, Guest blogger, Open problems | Tagged , | 4 Comments

Ehud Friedgut: Murphy’s Law of Breastfeeding Twins

This post is authored by Ehud Friedgut. Congratulations to Keren, Ehud and Michal for the birth of Shiri and Hillel! Murphy’s law of breastfeeding twins, like all of Murphy’s laws, is supported by strong empirical evidence. The twins’ feeding rhythm … Continue reading

Posted in Guest blogger | 9 Comments

(Eran Nevo) The g-Conjecture I

This post is authored by Eran Nevo. (It is the first in a series of five posts.) Peter McMullen The g-conjecture What are the possible face numbers of triangulations of spheres? There is only one zero-dimensional sphere and it consists … Continue reading

Posted in Combinatorics, Convex polytopes, Guest blogger, Open problems | Tagged , , | 8 Comments

Michal Linial: Vive La Technology

  Nebi Samuel   It was a long night after crossing the Atlantic. I got to the airport and indeed the big signs of ‘Welcome’ and “TAAM SHEL BAIT” (taste of home) had a special appeal. It was 3:30 in the … Continue reading

Posted in Guest blogger, Taxi-and-other-stories | Tagged , , , | 1 Comment

1:0 to Italy: Michal Linial

Coming back from Hinxton, the most exciting genome center in the world and the most boring place after 5pm… At 5:30, a shuttle bus takes all the ‘workers’ to the big city – to Cambridge. The shuttle bus dropped us … Continue reading

Posted in Guest blogger, Sport, Taxi-and-other-stories | Tagged , , , , , | 2 Comments

Michal Linial – An Ambassador in Singapore

  After the wonderful “being a cosmonaut” taxi-story, I am happy to present you:  An Ambassador in Singapore A story by Michal Linial   It was a long trip, 4 days in Singapore. I visited the tallest artificial waterfall in … Continue reading

Posted in Guest blogger, Taxi-and-other-stories | 7 Comments