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Richard Burke-Ward's user avatar
Richard Burke-Ward's user avatar
Richard Burke-Ward's user avatar
Richard Burke-Ward
  • Member for 6 years, 4 months
  • Last seen this week
  • Taunton, UK
12 votes
2 answers
2k views

Analytic continuation of harmonic series

10 votes
2 answers
658 views

How do I calculate an integral that contains the floor function?

6 votes
4 answers
1k views

Inequalities to give bounds on generalised harmonic numbers?

5 votes
5 answers
653 views

Method to find colossally abundant numbers?

5 votes
1 answer
145 views

How to determine bounds on one variable in a system of inequalities?

4 votes
1 answer
219 views

What does "equation (◇)" mean (Mathworld Riemann zeta page)?

4 votes
1 answer
500 views

von Mangoldt's formula for Chebyshev $\psi$ function

4 votes
2 answers
1k views

Euler's totient $\phi$ function as a product of primes

4 votes
2 answers
2k views

Relation between harmonic series $H(m)$ and polygamma function?

4 votes
2 answers
3k views

Maxima and minima of $\operatorname{sinc}$ function

4 votes
1 answer
168 views

Prove that sum of integrals $= n$ for argument $n \in \mathbb{N}_{>1}$

3 votes
0 answers
447 views

First-order non-homogeneous recurrence relations with variable coefficients

3 votes
1 answer
168 views

Double Abel summation

3 votes
2 answers
217 views

Integral containing floor function and derivative

3 votes
2 answers
111 views

Asymptote for $\frac{\sum _{j=1}^x \text{frac}\left(\frac{x}{j}\right)}{x}$?

3 votes
1 answer
740 views

Integral of impulse-train

3 votes
3 answers
122 views

Why are these $\sum \cos$ and $\csc$ equivalent?

3 votes
1 answer
886 views

Proof that the sum of the reciprocals of primes diverges

2 votes
1 answer
375 views

Partition function and "Euler function" - what does it mean?

2 votes
2 answers
103 views

Empty product and Vieta's formulas

2 votes
1 answer
167 views

Approximation with error term / bounds for double summation

2 votes
1 answer
157 views

Analytic continuation of $H_x^{(k)}=\sum_{n=1}^x \frac{1}{n^k}$?

2 votes
1 answer
102 views

Formula for summing an arbitrary number $n$ of cos functions?

2 votes
1 answer
50 views

Curve with value $0$ at $x=0$, max value $1$ at $x=1$, then decay approximating $\frac{1}{x}$?

2 votes
1 answer
54 views

Impulse train: why an indeterminate result?

2 votes
1 answer
56 views

What does the symbol $\delta$ mean on this page?

2 votes
1 answer
85 views

Why do complex elements of $R(x)$ cancel?

2 votes
1 answer
353 views

Find integral of $\operatorname{sinc}(\pi x)$ over range $x=[0,1]$

2 votes
1 answer
241 views

Is Riemann's R-function $R(x)$ differentiable?

2 votes
2 answers
640 views

Algebraic expression for the period of $\cos (\log (x))$?