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wu :: forums    riddles    putnam exam (pure math) (Moderators: Grimbal, william wu, Eigenray, SMQ, towr, Icarus) requires some formal math training to understand Pages: 1 2 3  ...  16 Start new topic    Subject Started by Replies Views Last post Putnam Contest Archive Yournamehere 6 15043 Jun 9th, 2008, 6:48am by Eigenray Rolling Circle on Ellipse chetangarg 4 581 Dec 30th, 2018, 3:18pm by Grimbal Jewish Problems (& solutions) nakli 5 9423 Jun 21st, 2016, 5:38am by gitanas Elementary Equivalence 0.999... 1 520 Aug 30th, 2015, 3:54pm by Michael Dagg New conjecture aicoped 2 7962 Feb 13th, 2012, 2:06pm by SMQ Derivative help Wardub 1 7394 Jul 21st, 2010, 10:18am by 0.999... MATHEMATICS DOUBELL 10 8082 Oct 29th, 2012, 11:13am by Jack Hadin Integers as sums of two squares Michael Dagg 4 8727 Oct 4th, 2009, 3:07pm by Michael Dagg Information derived from a data set davkrs 1 2555 Dec 26th, 2013, 10:44pm by towr Disjoint Sets Barukh 2 3935 Dec 26th, 2013, 10:43am by Michael Dagg Floor Summation ThudnBlunder 3 8551 Nov 11th, 2009, 6:10am by Obob Zero? kyle1080 11 8678 Dec 21st, 2009, 11:20pm by Aryabhatta Unique Limit Cycle? Michael Dagg 18 14205 May 21st, 2008, 4:58am by william wu Numerical Linear Algebra bazinga 0 5448 Nov 16th, 2012, 8:17pm by bazinga Highschool Level - Optimization - Best Fit Problem Ledmu8 3 7548 Nov 4th, 2012, 4:22pm by Ledmu8 The Axioms of Algebraic Structures peoplepower 0 5418 Oct 30th, 2012, 3:26pm by peoplepower A  small hint re: 2008 A4 Mickey1 7 8232 Mar 27th, 2011, 12:57pm by Mickey1 Some abstract algebra malchar 12 14424 Apr 29th, 2012, 7:45am by 0.999... U-limit of a sequence 0.999... 0 6742 Apr 29th, 2012, 10:02am by 0.999... Integral of a factorial function howard roark 4 14151 Apr 13th, 2012, 6:58pm by SWF Factorial Sum ThudnBlunder 2 8364 Feb 16th, 2011, 10:31am by ThudnBlunder A High School level Problem (Interesting) daemonturk 6 8327 Sep 1st, 2009, 4:21am by daemonturk prove the inequality inexorable 6 8952 Mar 9th, 2012, 5:34pm by Michael Dagg Another Factorial Sum ThudnBlunder 2 7581 Nov 25th, 2011, 11:31am by ThudnBlunder A linear algebra upper bound. acarchau 2 7834 Sep 15th, 2009, 5:44pm by acarchau Functional equation bboy114crew 2 7360 Oct 5th, 2011, 5:16am by Grimbal Numb3rs ecoist 8 11784 Dec 30th, 2009, 8:36am by Benny Interesting Limit Barukh 4 7597 Sep 3rd, 2011, 2:01am by pex Proof by Mathematical Induction daemonturk 2 20193 Jun 9th, 2010, 3:17am by french_math Bright & Dark Stars James Fingas 5 11622 Dec 9th, 2002, 10:07am by James Fingas Pages: 1 2 3  ...  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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