 http://mathoverflow.net/questions/114646/intersectingfamilyoftriangulationsIntersecting Family of Triangulations comb
 http://mathoverflow.net/questions/126393/isthereaneffectivewaytocalculatektheoryusingmorsefunctionsIs there an effective way to calculate Ktheory using Morse functions? algtop,ktheory
 http://mathoverflow.net/questions/13394/finiterankcommutatorsFinite Rank Commutators funcanaly, banachspaces
 http://mathoverflow.net/questions/133797/dothereexistexotic4toriDo there exist exotic 4tori? difftop,
 http://mathoverflow.net/questions/131789/whydidbourbakinotuseuniversalalgebraWhy did Bourbaki not use universal algebra? history
 http://mathoverflow.net/questions/18882/fcircfgrevisited$f\circ f=g$ revisited analysis?
 http://mathoverflow.net/questions/162020/whichregionintheplanewithagivenareahasthemostdominotilingsWhich region in the plane with a given area has the most domino tilings? comb
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Background: Inspired by Tim Post's offer http://meta.mathoverflow.net/questions/1748/Mugs, Stickers And Shirts  Now With 100% More MathOverflow! , I++ decided to ask for swag to distribute at the International Congress of Mathematicians in Seoul this month. The swag has been printed and will be shipped to South Korea soon. In addition to giving out goodies, I intend to do some promotion of MathOverflow at ICM to get some more people who are interested in mathematics interested in our community. Intellectual Goodies: I want to crowdsource a list of questions (preferably unanswered) which are of high quality, based on the 19 areas of mathematics http://www.icm2014.org/en/program/scientific/topics represented at the Congress, plus whatever else you feel is not properly represented. (Francois Dorais has already started a related post http://meta.mathoverflow.net/questions/1820/mohardquestionsMOHard Questions : that will be useful, but I also want questions that are good and possibly answerable and may miss the final cut of Best of MO.) Please suggest a good question and associated area number, or more than one. I will then make that list available as a selling point. (I am willing to take new questions, but they need to be posted by Day 0 of the congress.) If there is a way to use answered questions (MathOverflow Success Stories?) as a selling point, I would appreciate knowing details about that. Here are some that might do, corrections on subject area are welcome: Background: Inspired by Tim Post's offer http://meta.mathoverflow.net/questions/1748/ , I++ decided to ask for swag to distribute at the International Congress of Mathematicians in Seoul this month. The swag has been printed and will be shipped to South Korea soon. In addition to giving out goodies, I intend to do some promotion of MathOverflow at ICM to get some more people who are interested in mathematics interested in our community. Intellectual Goodies: I want to crowdsource a list of questions (preferably unanswered) which are of high quality, based on the 19 areas of mathematics http://www.icm2014.org/en/program/scientific/topics represented at the Congress, plus whatever else you feel is not properly represented. (Francois Dorais has already started a related post http://meta.mathoverflow.net/questions/1820/mohardquestions : that will be useful, but I also want questions that are good and possibly answerable and may miss the final cut of Best of MO.) Please suggest a good question and associated area number, or more than one. I will then make that list available as a selling point. (I am willing to take new questions, but they need to be posted by Day 0 of the congress.) If there is a way to use answered questions (MathOverflow Success Stories?) as a selling point, I would appreciate knowing details about that. Here are some that might do, corrections on subject area are welcome: Background: Inspired by Tim Post's offer Mugs, Stickers And Shirts  Now With 100% More MathOverflow! , I++ decided to ask for swag to distribute at the International Congress of Mathematicians in Seoul this month. The swag has been printed and will be shipped to South Korea soon. In addition to giving out goodies, I intend to do some promotion of MathOverflow at ICM to get some more people who are interested in mathematics interested in our community. Intellectual Goodies: I want to crowdsource a list of questions (preferably unanswered) which are of high quality, based on the 19 areas of mathematics http://www.icm2014.org/en/program/scientific/topics represented at the Congress, plus whatever else you feel is not properly represented. (Francois Dorais has already started a related post MOHard Questions : that will be useful, but I also want questions that are good and possibly answerable and may miss the final cut of Best of MO.) Please suggest a good question and associated area number, or more than one. I will then make that list available as a selling point. (I am willing to take new questions, but they need to be posted by Day 0 of the congress.) If there is a way to use answered questions (MathOverflow Success Stories?) as a selling point, I would appreciate knowing details about that. Here are some that might do, corrections on subject area are welcome: 

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