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Tag Archives: Mathoverflow
Test Your Intuition 40: What Are We Celebrating on Sept, 28, 2019? (And answer to TYI39.)
Update: We are celebrating 10 years anniversary to Mathoverflow Domotorp got the answer right. congratulations, Domotorp! To all our readers: Shana Tova Umetuka – שנה טובה ומתוקה – Happy and sweet (Jewish) new year.
Posted in Test your intuition, What is Mathematics
Tagged Mathoverflow, Test your intuition
6 Comments
Important formulas in Combinatorics
Another spin-off of the Noga-poster-formula-competition is a MathOverflow question: Important formulas in combinatorics. The question collects important formulas representing major progress in combinatorics. So far there are 31 formulas and quite a few were new to me. There are several areas … Continue reading
Joel David Hamkins’ 1000th MO Answer is Coming
Updates (May 2014): The second MO contributor to answer 1000 questions is another distinguished mathematician (and a friend) Igor Rivin. In summer 2015 David Speyer joined the club. (May 2018) Igor is the first MO user to have 2000 posts (Questions+Answers)! … Continue reading
Joe’s 100th MO question
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 Joseph O'Rourke, Mathoverflow, planetMO
5 Comments
The AC0 Prime Number Conjecture
Möbius randomness and computational complexity Last spring Peter Sarnak gave a thought-provoking lecture in Jerusalem. (Here are the very interesting slides of a similar lecture at I.A.S.) Here is a variation of the type of questions Peter has raised. The Prime … Continue reading
False Beliefs in Mathematics
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 Mathoverflow, Test your intuition, Tim Gowers
6 Comments
Randomness in Nature
Here is an excellent question asked by Liza on “Mathoverflow“. What is the explanation of the apparent randomness of high-level phenomena in nature? For example the distribution of females vs. males in a population (I am referring to randomness in terms … Continue reading
Posted in Probability
Tagged foundation of probability, Mathoverflow, Philosophy, Physics, Randomness
22 Comments
Math Overflow
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