Category Archives: Mathematics over the Internet

Looking Again at Erdős’ Discrepancy Problem

Posted on August 26, 2012 by

Over Gowers’s blog Tim and I will make an attempt to revisit polymath5. Last Autumn I prepared three posts on the problems and we decided to launch them now. The first post is here. Here is a related MathOverflow question. … Continue reading →

Posted in Combinatorics, Mathematics over the Internet, Open problems | 2 Comments

A New Polymath Project: Hot Spots in Triangles

Posted on June 10, 2012 by

A new Polymath7 project proposed by Chris Evans is starting in the polymath blog.

Posted in Mathematics over the Internet, Updates | Leave a comment

The Internet, Journals and all that.

Posted on November 3, 2011 by

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 | 4 Comments

Joe’s 100th MO question

Posted on July 12, 2011 by

MathOverflow is a remarkable recent platform for research level questions and answers in mathematics. Joe O’Rourke have asked over MO wonderful questions. (Here is a link to the questions) Many of those questions can be the starting point of a research … Continue reading →

Posted in Mathematics over the Internet, Open problems | Tagged , , | 4 Comments

False Beliefs in Mathematics

Posted on June 6, 2010 by

Test your intuition: For two n by n matrices A and B, is it always the case that tr(ABAB) = tr(ABBA)?

Posted in Mathematics over the Internet, Test your intuition | Tagged , | 6 Comments

Polymath Reflections

Posted on March 17, 2010 by

Polymath is a collective open way of doing mathematics. It  started over Gowers’s blog with the polymath1 project that was devoted to the Density Hales Jewett problem. Since then we  had Polymath2 related to Tsirelson spaces in Banach space theory , an  intensive Polymath4 devoted … Continue reading →

Posted in Mathematics over the Internet, Open discussion | 2 Comments

Polymath5 – Is 2 logarithmic in 1124?

Posted on January 17, 2010 by

 Polymath5 – The Erdős discrepancy problem – is on its way. Update: Gowers’s theoretical post marking the official start of Polymath 5 appeared. After several discussion threads, polymath5 devoted to Erdos’s discrepency problem is on its way on Gowers’s blog. While … Continue reading →

Posted in Mathematics over the Internet | Tagged | 1 Comment

Math Overflow

Posted on November 12, 2009 by

So I did try mathoverflow a bit and it is a cool site. Over the few days I spent there I gained 593 reputation points, and no less than 9 bronze badges. The first answer I proposed gave me a badge as “teacher”,  … Continue reading →

Posted in Blogging, Mathematics over the Internet | 10 Comments