Ewan Delanoy

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119 Answers

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13	Example of two dependent random variables that satisfy $E[f(X)f(Y)]=Ef(X)Ef(Y)$ for every $f$
10	what is the sum of this?$\frac12+ \frac13+\frac14+\frac15+\frac16 +\dots\frac{1}{2012}+\frac{1}{2013} $
8	Does $2x^2-1=y^5$ have a solution in integers, with $y>1$?
7	Exercise in Lang Algebra Ch 5
7	Continuous functions with a certain condition

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8,393 Reputation

+185	A matrix w/integer eigenvalues and trigonometric identity
+10	Formula for the sum of the value of a rational function over roots of unity
+20	Formula for the sum of the value of a rational function over roots of unity
+10	what is the sum of this?$\frac12+ \frac13+\frac14+\frac15+\frac16 +\dots\frac{1}{2012}+\frac{1}{2013} $

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108 Questions

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21	Smallest order for finite group that needs many elements to generate it
13	Comparing countable models of ZFC
11	Set of zeroes of the derivative of a pathological function
8	Do best lower approximations of a quadratic irrational always form a linear recurrence sequence?
7	Explicit Galois theory computation in cyclotomic field

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113 Tags

44 linear-algebra × 28	21 number-theory × 14
28 real-analysis × 36	20 matrices × 13
25 homework × 8	18 probability × 11
22 polynomials × 33	17 inequality × 17
22 abstract-algebra × 15	15 elementary-number-theory × 7

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2 Accounts

$Mathematics Stack Exchange$	Mathematics	8,393 rep	1631
	Stack Overflow	101 rep

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