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wu :: forums    riddles    putnam exam (pure math) (Moderators: towr, SMQ, Eigenray, Icarus, Grimbal, william wu) requires some formal math training to understand Pages: 1 ... 9 10 11 12 13  ...  16 Start new topic    Subject Started by Replies Views Last post Abelian subgroup of S_n Eigenray 8 5420 Apr 6th, 2005, 2:22am by Deedlit natural logarithms and translations Sjoerd Job Postmus 8 1700 Apr 3rd, 2005, 9:30am by Sjoerd Job Postmus 4n + 1 divides 1 + 4(n!)^4 ThudnBlunder 8 1611 Apr 2nd, 2005, 4:45am by Barukh Transitive Discounts ThudnBlunder 8 1571 Mar 31st, 2005, 12:13am by Barukh differential control system. towr 7 1533 Mar 29th, 2005, 4:39am by towr Happy Competitors ThudnBlunder 3 1830 Mar 26th, 2005, 11:19pm by Deedlit Palindromic Prime with an even number of digits mfirmata 3 2156 Mar 15th, 2005, 9:58pm by markr Cover the plane with strips. Aryabhatta 10 1637 Mar 15th, 2005, 3:59pm by Eigenray Intersecting Images ThudnBlunder 3 1329 Mar 13th, 2005, 11:17am by Obob The sum of 2 prime numbers Yuniko 1 1280 Mar 12th, 2005, 10:22pm by ThudnBlunder Simultaneous Equations ThudnBlunder 5 1475 Feb 16th, 2005, 11:54am by Eigenray 3 Diophantine Equations ThudnBlunder 5 1225 Feb 1st, 2005, 3:48pm by Eigenray x to the 2005 ThudnBlunder 1 1348 Feb 1st, 2005, 10:11am by Barukh Sum of subsequent powers (is a power?) JocK 12 1579 Jan 31st, 2005, 1:41pm by packo covering a curve JocK 10 1729 Jan 26th, 2005, 7:50pm by Icarus extremly annoying integral! - please help Kaotis 21 1760 Jan 24th, 2005, 5:49pm by SWF More University Interview Questions ThudnBlunder 6 660 Jan 20th, 2005, 3:40pm by Icarus University Interview Questions ThudnBlunder 3 666 Jan 19th, 2005, 6:36am by Eigenray transcendence of the agm JocK 1 372 Jan 18th, 2005, 10:52am by Barukh A Year with Gauss ThudnBlunder 1 382 Jan 18th, 2005, 10:32am by TenaliRaman Irrational or Zero ThudnBlunder 1 338 Jan 18th, 2005, 7:38am by Sir_Col IGCSE B.R 1 331 Jan 12th, 2005, 12:41pm by THUDandBLUNDER Semigroup ThudnBlunder 11 542 Jan 8th, 2005, 4:38pm by Icarus Find All Reals Such That... ThudnBlunder 5 464 Dec 30th, 2004, 6:18pm by Icarus (A)symmetrical Sums Sir Col 7 840 Dec 30th, 2004, 10:34am by towr Mathematical Principle needed unknown B.R 3 764 Dec 29th, 2004, 8:51pm by THUDandBLUNDER Choosing Two Reals in (0,1) ThudnBlunder 4 509 Dec 22nd, 2004, 11:29pm by Barukh f(x +2f(y)) = f(x) + f(y) + y ThudnBlunder 5 600 Dec 21st, 2004, 12:28am by Eigenray f(xf(y)) = yf(x) Aryabhatta 6 6741 Dec 20th, 2004, 3:48pm by Icarus Return to Origin (probability) Radiohead_man 3 1953 Dec 20th, 2004, 1:08pm by Eigenray Pages: 1 ... 9 10 11 12 13  ...  16 Start new topic  Normal Topic Hot Topic (More than 15 Replies) Very Hot Topic (More than 25 Replies) Locked Topic Sticky Topic Sticky Locked Topic Forum Jump: ----------------------------- riddles -----------------------------  - easy   - medium   - hard   - what am i   - what happened   - microsoft   - cs => putnam exam (pure math)   - suggestions, help, and FAQ   - general problem-solving / chatting / whatever ----------------------------- general -----------------------------  - guestbook   - truth   - complex analysis   - wanted   - psychology   - chinese

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