User daniel - Mathematics Stack Exchange

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	2,247 reputation	bio	website		visits	member for	1 year, 7 months
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1

7

votes

0

answers

122

views

Minimal distance limit problem

number-theory

nov 15 at 10:16 TMM 7,156

2

7

votes

1

answer

471

views

Even numbers have more factors than odd numbers…

jul 20 at 21:32 joriki 92.6k

2

7

votes

2

answers

170

views

Generalized PNT in limit as numbers get large

calculus limit prime-numbers analytic-number-theory

jul 9 at 10:03 daniel 2,247

1

6

votes

1

answer

320

views

Primes of form $x^2+x\pm k$

number-theory prime-numbers

mar 4 at 23:59 daniel 2,247

1

6

votes

1

answer

264

views

Solutions of $f(f(z)) = e^z$

complex-analysis tetration

jan 23 at 17:18 Sheldon L 357

6

votes

3

answers

291

views

Reference requests: Jitsuro Nagura

reference-request special-functions analytic-number-theory math-history

jun 8 '12 at 20:59 daniel 2,247

1

5

votes

1

answer

113

views

Sequence involving primes of form $n^2 + n+1$

sequences-and-series number-theory prime-numbers

feb 15 at 15:36 mercio 11.3k

2

5

votes

2

answers

227

views

Two sums for $\pi$

calculus sequences-and-series pi

jun 26 at 8:16 qoqosz 1,628

5

votes

1

answer

225

views

Heisenberg Uncertainty Principle

functional-analysis fourier-analysis

jun 22 '12 at 19:26 Gandhi Viswanathan 157

5

votes

2

answers

237

views

Convergence of $\sum\limits_{k=1}^{\infty} \frac{1}{p_{k^2}}$, where $p_k$ is the $k$th prime

number-theory convergence analytic-number-theory

dec 14 '11 at 21:52 Nikhil Bellarykar 809

1

4

votes

1

answer

184

views

Minimization of $\sum \frac{1}{n_k}\ln n_k >1 $ subject to $\sum \frac{1}{n_k}\simeq 1$

calculus nonlinear-optimization

apr 21 at 5:58 Community♦ 1

4

votes

1

answer

112

views

Iteration of $x/\log x$

fixed-point-theorems

feb 7 at 0:24 daniel 2,247

2

4

votes

1

answer

100

views

Sequence of squares $\pi(x^2)$

elementary-number-theory

jan 30 at 8:07 Willie Wong♦ 30.7k

1

4

votes

1

answer

110

views

Nagura's paper--can we substitute for the original upper bound?

number-theory elementary-number-theory special-functions math-history

nov 6 at 16:57 Community♦ 1

2

4

votes

2

answers

516

views

Complex part of a contour integration not using contour integration

complex-analysis integration contour-integration

jul 6 at 12:50 daniel 2,247

1

4

votes

2

answers

97

views

Property of a sequence involving near-primes

number-theory sequences-and-series prime-numbers

mar 16 '12 at 16:22 anon 39.9k

4

votes

2

answers

299

views

Weierstrass and Heine-Borel theorems in Rudin's 3rd

real-analysis general-topology

mar 14 '12 at 1:36 JakeR 743

1

4

votes

1

answer

309

views

Calculating the limit of the derivative of a sum of digamma functions

calculus special-functions analytic-number-theory

dec 28 '11 at 4:51 J. M. 38.9k

4

votes

1

answer

153

views

limit of a prime sequence

number-theory

oct 28 '11 at 0:36 Greg Martin 7,653

1

3

votes

1

answer

159

views

Discontinuities of $\sum \frac{x^{\rho}}{\rho}$

sequences-and-series complex-analysis riemann-zeta

apr 4 at 13:26 daniel 2,247

3

votes

1

answer

102

views

Unique factorization in $\mathbb Z(\sqrt{-19})$

abstract-algebra algebraic-number-theory

mar 3 at 17:56 YACP 9,140

3

votes

1

answer

156

views

“Proof” that if f(x) ~x, e^f(x) ~ e^x

limit asymptotics induction exponential-function

oct 2 at 5:38 Matt E 58k

3

votes

1

answer

188

views

Evaluating a limit of the truncated exponential series motivated by the prime number theorem for $k$ distinct prime factors.

sequences-and-series analysis limit asymptotics analytic-number-theory

aug 10 at 12:01 daniel 2,247

3

votes

1

answer

176

views

Poisson integral in $R^2$

calculus

jun 29 at 19:52 Community♦ 1

2

votes

1

answer

85

views

Non-normalized sinc function

fourier-analysis special-functions

apr 15 at 7:46 Caran-d'Ache 1,085

2

votes

3

answers

94

views

$x \sim y \implies \log x \sim \log y$?

asymptotics logarithms

jan 25 at 20:34 GEdgar 19k

2

votes

1

answer

74

views

Value of Arg(f(z)) after rotation of z

complex-analysis

jan 10 at 21:59 Ron Gordon 26.4k

1

2

votes

1

answer

253

views

Chebyshev's first $\vartheta(x)$ function question

number-theory prime-numbers logarithms analytic-number-theory arithmetic-functions

sep 5 at 2:32 daniel 2,247

2

votes

3

answers

238

views

Limit of series $1 - 1/9 - 1/15- 1/21-\cdots$

number-theory

aug 17 at 22:31 Mhenni Benghorbal 14k

2

votes

4

answers

226

views

integration by parts of $x f(x)f'(x)$

calculus

apr 1 '12 at 21:58 Michael Hardy 48.1k

daniel

61 Questions