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Pierre-Yves Gaillard

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Top posts (403) All Questions Answers | Votes Newest

41 Simultaneous diagonalization of commuting linear transformations Aug 9 '11
33 Why is the difference of distinct roots of irreducible $f(x)\in\mathbb{Q}[x]$ never rational? Dec 1 '11
33 Examples of patterns that eventually fail Feb 21 '12
28 How to show that $\det(AB) =\det(A) \det(B)$? Aug 28 '11
23 How did Hermite calculate $e^{\pi\sqrt{163}}$ in 1859? Jan 24 '12
23 About a paper of Zermelo Aug 1 '11
22 What is the origin of the expression “Yoneda Lemma”? Jul 25 '11
21 Did Zariski really define the Zariski topology on the prime spectrum of a ring? Aug 3 '11
19 An integrable and periodic function $f(x)$ satisfies $\int_{0}^{T}f(x)dx=\int_{a}^{a+T}f(x)dx$. Dec 26 '11
19 Prove that every set with more than one element has a permutation without fixed points Apr 20 '12
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