2009.03.28 17:16:04 EDT A problem in modular arithmetic In an New York Times Magazine article on Freeman Dyson, the following problem is posed: Does there exist a natural number in base 10 where if you move the last digit to the front, e.g. transfrom 12345
2009.03.19 12:02:42 EDT Gowers's experiment and future of blogOhm A remarkable on-line collaboration in mathematics happened recently. Tim Gowers initiated a fairly modest program some 6 weeks ago, trying to get a heuristic justification (or refutation) on how one s