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Robert Haraway

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Different methods to compute $\sum\limits_{k=1}^\infty \frac{1}{k^2}$ (Basel problem)

sequences-and-series number-theory fourier-analysis big-list faq

Dec 11 at 2:55 Ali Shather 9,204

131

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7

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16k

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Is non-standard analysis worth learning?

analysis soft-question nonstandard-analysis infinitesimals

Jul 8 '16 at 7:34 Community♦ 1

112

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8

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5k

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Probability that a stick randomly broken in five places can form a tetrahedron

probability geometry euclidean-geometry recreational-mathematics problem-solving

Jun 18 '15 at 6:02 Community♦ 1

51

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A fleshed-out version of the Noncommutative Geometry proof of the Gauss-Bonnet Theorem?

reference-request noncommutative-geometry

Mar 20 '12 at 10:52 IDOK 4,501

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Perturbation trick in the proof of Seifert-van-Kampen

algebraic-topology

Sep 15 '17 at 9:41 Ronnie Brown 12.9k

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A Universal Property Defining Connected Sums

general-topology reference-request

Mar 9 '13 at 2:46 Martin Brandenburg 126k

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What concepts were most difficult for you to understand in Calculus? [closed]

calculus soft-question big-list education

May 3 '15 at 3:38 Community♦ 1

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