Mathematics
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wircho

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34 Prove this determinant identity combinatorially Nov 7 '11
18 What are some good iPhone/iPod Touch/iPad Apps for mathematicians? [closed] Oct 28 '11
9 Is this a well known determinant identity? Are there any generalizations? Oct 26 '11
8 Is there a simple algorithm to generate unlabeled graphs? Oct 30 '11
8 Linear transformation of a polygon maximizing its area with respect to its perimeter. Dec 19 '12
5 How to compute this limit? Jan 11 '13
5 How to verify if three numbers are equal using logical operators (with a restriction!)? Feb 18 '13
5 Expectation of number of trials before success in an urn problem without replacement [duplicate] Oct 26 '11
5 Prove that this sequence does not converge pointwise almost everywhere. Mar 22 '12
4 Expectation of $TS_T$ where $T$ is the absorption time at $\{a,-a\}$ of a simple symmetric random walk $\{S_n\}$ Oct 26 '11
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