Question

Can a curve be an asymptote?

score 1.6k · Answer 1 · 2026-04-12 05:38:22

1.6k

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Can a curve be an asymptote?

Published on 12 Apr 2026 - 5:38

score 3.5k · Answer 2 · 2026-04-14 09:31:52

3.5k

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Provide an algorithm $O (n ^ 3 \log n)$, any example?

Published on 14 Apr 2026 - 9:31

score 105 · Answer 3 · 2026-04-16 07:46:18

Is there a "natural" subsequence of positive integers $k_1 < k_2 < \ldots$ such that $\sum_{i=1}^n \frac{1}{k_i} = \Theta (\log \log \log n)$?

score 89 · Answer 4 · 2026-04-08 17:35:30

89

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Repeated Bernoulli Trials, Wins-Losses

Published on 08 Apr 2026 - 17:35

score 355 · Answer 5 · 2026-04-16 18:01:54

355

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Asymptotic expansion of a function $\frac{4}{\sqrt \pi} \int_0^\infty \frac{x^2}{1 + z^{-1} e^{x^2}}dx$

Published on 16 Apr 2026 - 18:01

score 9.3k · Answer 6 · 2026-04-13 20:09:14

9.3k

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Upper bound for $T(n) = T(n - 1) + T(n/2) + n$ with recursion-tree

Published on 13 Apr 2026 - 20:09

score 1.7k · Answer 7 · 2026-04-13 17:16:35

1.7k

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Explanation of the binomial theorem and the associated Big O notation

Published on 13 Apr 2026 - 17:16

score 1.5k · Answer 8 · 2026-04-12 18:56:40

1.5k

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Can anyone derive the formula for the expansion $(x + \Delta x)^{n}$ that uses Big O notation?

Published on 12 Apr 2026 - 18:56

score 449 · Answer 9 · 2026-04-11 12:35:50

449

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When does L'Hopital's rule pick up asymptotics?

Published on 11 Apr 2026 - 12:35

score 2.6k · Answer 10 · 2026-03-26 20:38:10

2.6k

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Asymptotic correlation between sample mean and sample median

Published on 26 Mar 2026 - 20:38

score 54 · Answer 11 · 2026-04-14 20:20:39

54

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Testing hypothesis about variance of non-normal population

Published on 14 Apr 2026 - 20:20

score 66 · Answer 12 · 2026-04-15 08:00:16

66

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Transforming a sequence of i.i.d. variables so that its asymptotic distribution is non-degenrate

Published on 15 Apr 2026 - 8:00

score 206 · Answer 13 · 2026-04-14 03:31:51

206

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On proving the convergence of $1/n^2\sum_{1\le k\le n}\varphi(k)$

Published on 14 Apr 2026 - 3:31

score 80 · Answer 14 · 2026-04-11 22:37:05

80

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Bounds on a rapidly increasing sequence

Published on 11 Apr 2026 - 22:37

score 55 · Answer 15 · 2026-04-17 08:52:13

55

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$c^3 \ll l^3$ prove that $\sqrt{l\over{l+c}}+\sqrt{l \over{l-c}}=2+{3c^2\over 4l^2} $

Published on 17 Apr 2026 - 8:52

List Question

Can a curve be an asymptote?

Provide an algorithm $O (n ^ 3 \log n)$, any example?

Is there a "natural" subsequence of positive integers $k_1 < k_2 < \ldots$ such that $\sum_{i=1}^n \frac{1}{k_i} = \Theta (\log \log \log n)$?

Repeated Bernoulli Trials, Wins-Losses

Asymptotic expansion of a function $\frac{4}{\sqrt \pi} \int_0^\infty \frac{x^2}{1 + z^{-1} e^{x^2}}dx$

Upper bound for $T(n) = T(n - 1) + T(n/2) + n$ with recursion-tree

Explanation of the binomial theorem and the associated Big O notation

Can anyone derive the formula for the expansion $(x + \Delta x)^{n}$ that uses Big O notation?

When does L'Hopital's rule pick up asymptotics?

Asymptotic correlation between sample mean and sample median

Testing hypothesis about variance of non-normal population

Transforming a sequence of i.i.d. variables so that its asymptotic distribution is non-degenrate

On proving the convergence of $1/n^2\sum_{1\le k\le n}\varphi(k)$

Bounds on a rapidly increasing sequence

$c^3 \ll l^3$ prove that $\sqrt{l\over{l+c}}+\sqrt{l \over{l-c}}=2+{3c^2\over 4l^2} $

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