User Charles - Mathematics Stack Exchange

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5

37

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1

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Sums of prime powers

nov 28 '11 at 22:36 Charles 8,710

5

22

votes

1

answer

252

views

Is the Galois group associated to a random polynomial solvable with probability 0?

reference-request finite-groups galois-theory math-history solvable-groups

mar 8 at 21:41 Alexander Gruber 15.1k

4

20

votes

3

answers

332

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Computing the product of p/(p - 2) over the odd primes

number-theory analysis prime-numbers analytic-number-theory

mar 26 '11 at 17:08 Eric♦ 33.2k

4

19

votes

1

answer

452

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Upper bound on differences of consecutive zeta zeros

number-theory complex-analysis special-functions analytic-number-theory riemann-zeta

nov 30 at 5:22 Community♦ 1

2

13

votes

1

answer

357

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Expressing the maximum of several variables using elementary functions

algebra-precalculus

dec 10 '11 at 0:01 Srivatsan 15.6k

11

votes

3

answers

310

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Non-squarefree version of Pell's equation?

number-theory diophantine-equations

jan 28 '11 at 5:30 Pete L. Clark 44.3k

2

10

votes

1

answer

284

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Asymptotic behavior of iterative sequences

real-analysis sequences-and-series

sep 13 at 16:35 Charles 8,710

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9

votes

2

answers

130

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“Dirichlet's theorem” on pairs of consecutive primes

number-theory reference-request prime-numbers sieve-theory

jan 3 at 16:44 Charles 8,710

2

9

votes

1

answer

367

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Going from $\Lambda$ to a prime count

number-theory prime-numbers analytic-number-theory

sep 2 '11 at 20:05 Charles 8,710

9

votes

4

answers

203

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When does a polynomial divide $x^k - 1$ for some $k$?

abstract-algebra polynomials

jun 2 '11 at 21:51 Community♦ 1

2

8

votes

2

answers

334

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How does Lambert's W behave near ∞?

analysis asymptotics special-functions

apr 7 at 2:26 J. M. 38.8k

1

8

votes

1

answer

132

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How long until everyone has been in the lead?

probability random-walk

jan 15 at 19:11 Shard 420

2

8

votes

1

answer

111

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Comparing average values of an arithmetic function

asymptotics analytic-number-theory arithmetic-functions

nov 30 at 23:39 Mike Spivey 25.8k

8

votes

1

answer

148

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First player to win k matches

probability random-walk

sep 18 at 13:33 Charles 8,710

8

votes

2

answers

208

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The history of set-theoretic definitions of $\mathbb N$

reference-request set-theory math-history

nov 27 '11 at 12:18 Asaf Karagila 89.9k

1

8

votes

1

answer

141

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Asymptotic behavior of $\Gamma^{-1}(x)$

analysis special-functions

may 6 '11 at 12:49 Charles 8,710

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7

votes

0

answers

144

views

Weak version of Fortune's conjecture

number-theory prime-numbers analytic-number-theory open-problem

dec 25 '11 at 11:20 J. M. 38.8k

2

6

votes

1

answer

122

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Finding near-integers in a range

analytic-number-theory continued-fractions diophantine-approximation

apr 27 at 13:54 mercio 11.2k

1

6

votes

1

answer

99

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Fractional part of exp(x)

numerical-methods computational-mathematics

jan 22 at 4:20 Charles 8,710

1

6

votes

2

answers

189

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Fibonacci numbers with largest prime factor appearing more than once

number-theory fibonacci-numbers

may 18 '12 at 15:41 Charles 8,710

6

votes

1

answer

82

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Quadratic iterative system

real-analysis dynamical-systems

oct 25 '11 at 0:12 mathstribble 861

2

6

votes

1

answer

162

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What is the asymptotic behavior of a linear recurrence relation (equiv: rational g.f.)?

combinatorics recurrence-relations generating-functions

oct 22 '11 at 8:24 Did 102k

6

votes

3

answers

219

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Efficiently testing if sigma(n) = m

algorithms

jul 1 '11 at 2:58 David Marquis 186

5

votes

2

answers

156

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Sum of $n \sigma(n)$

number-theory arithmetic-functions multiplicative-function

jun 24 at 14:38 Eric♦ 33.2k

2

5

votes

0

answers

106

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Density of products of a certain set of primes

number-theory prime-numbers analytic-number-theory

mar 27 '12 at 17:31 Charles 8,710

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4

votes

2

answers

54

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Deciding if a univariate quartic has a solution mod p

number-theory prime-numbers modular-arithmetic diophantine-equations

nov 11 at 5:40 Qiaochu Yuan 117k

4

votes

1

answer

55

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Backward records

sequences-and-series terminology

aug 1 at 2:29 Gerry Myerson 85.6k

4

votes

1

answer

143

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Primes of the form $\lfloor x^k\rfloor$

number-theory reference-request prime-numbers

jun 14 '12 at 0:38 Gerry Myerson 85.6k

1

4

votes

2

answers

107

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'Error term' in zeta function [duplicate]

real-analysis special-functions asymptotics

mar 30 '12 at 23:06 Aryabhata 47.4k

4

votes

1

answer

88

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Asymptotics for almost all $x$

number-theory analytic-number-theory arithmetic-functions

mar 22 '12 at 17:21 Greg Martin 7,383

Charles

76 Questions