Category Archives: Guest blogger

Ehud Friedgut: Blissful ignorance and the Kahneman-Tversky paradox

Posted on October 2, 2014 by

Tversky, Kahneman, and Gili Bar-Hillel (WikiPedia). Taken by Maya Bar-Hillel at Stanford, summer 1979.   The following post was kindly contributed by Ehud Friedgut. During the past week I’ve been reading, and greatly enjoying Daniel Kahneman’s brilliant book “Thinking fast … Continue reading →

Posted in Guest blogger, Rationality | Tagged , , | 11 Comments

Karim Adiprasito: Flag simplicial complexes and the non-revisiting path conjecture

Posted on November 12, 2012 by

This post is authored by Karim Adiprasito The past months have seen some exciting progress on diameter bounds for polytopes and polytopal complexes, both in the negative and in the positive direction.  Jesus de Loera and Steve Klee described simplicial polytopes which are not  … Continue reading →

Posted in Convex polytopes, Guest blogger | Tagged , , , | Leave a comment

Eyal Sulganik: Towards a Theory of “Mathematical Accounting”

Posted on June 19, 2012 by

The following post was kindly contributed by Eyal Sulganik  from IDC (Interdiciplinary Center)  Herzliya. Eyal was motivated by our poll on certainty “beyond a reasonable doubt,” which is related to several issues in accounting. Mathematicians, I believe, are always looking … Continue reading →

Posted in Economics, Games, Guest blogger, Law | Tagged , | 3 Comments

Michal Linial: No Witches in Portugal

Posted on March 2, 2012 by

It gives me great pride to present:   Michal Linial:  March 2012 No witches in Portugal Landing in LISBOA, Portugal last night. I need to get to my hotel in Cascais. The nice lady in the tourist information ordered a … Continue reading →

Posted in Guest blogger, Taxi-and-other-stories | Tagged , , | 3 Comments

Günter Ziegler: 1000$ from Beverly Hills for a Math Problem. (IPAM remote blogging.)

Posted on January 20, 2011 by

Scanned letter by Zadeh. (c) Günter M. Ziegler left-to-right: David Avis, Norman Zadeh,  Oliver Friedmann, and Russ Caflish (IPAM director). Photo courtesy Eddie Kim. Update: The slides for Friedmann’s talk are now available. The conference schedule page contains now the slides for … Continue reading →

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

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

Posted on November 20, 2010 by

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

Posted on February 5, 2010 by

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

Posted on January 3, 2010 by

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

Posted on December 21, 2009 by

  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 … Continue reading →

Posted in Combinatorics, Guest blogger | 6 Comments

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

Posted on September 21, 2009 by

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 , | 2 Comments