List questions from exponential-sum

Published on 13 May 2015 - 18:10

326

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Determination of quartic Gauss sums

Published on 25 Mar 2026 - 11:12

298

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$\sum\limits_{n=4}^{\infty } \frac{2^n + 8^n}{10^n} = ?$

Published on 13 Jun 2015 - 10:40

91

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How do I estimate the error term when computing the number of integers which have the fractional part of their square roots in a given interval?

Published on 25 Mar 2026 - 17:42

47

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Formula for $\sum_{i = 1}^n k^n$

Published on 03 Jul 2015 - 17:31

263

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Discrete Fourier Transform of $\omega^{n(n-1)/2}$

Published on 08 Jul 2015 - 19:54

110

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question on identity of sums with exponent.

Published on 12 Jul 2015 - 7:35

258

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Is Every transcendental entire function $f(z) = C + \exp a + \exp b + \exp c $?

Published on 15 Jul 2015 - 7:17

108

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Solve $e^{k_1/x}+e^{k_2/x}+\cdots+e^{k_N/x}=1$ for $x$

Published on 25 Jul 2015 - 4:23

113

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Character sum of a type of "almost linear" surjective mappings over finite fields

Published on 27 Mar 2026 - 23:23

284

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Maximizing the sum of exponentials whose exponents sum to $N$

Published on 10 Sep 2015 - 3:19

391

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Infinite sum involving powers and factorials

Published on 11 Sep 2015 - 19:38

244

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When does sum of exponentially many exponential functions go to zero?

Published on 15 Sep 2015 - 1:08

236

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Why does this exponential identity hold? $3\cdot 2^{2n+2} - 3\cdot2^{2n} = 3\cdot2^{2n}$

Published on 29 Sep 2015 - 5:18

101

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Simplifying sums of exponentials

Published on 23 Feb 2026 - 7:39

List Question

How to compute $\sum_{n=1}^N e^{-( n-c)^2}$

Determination of quartic Gauss sums

$\sum\limits_{n=4}^{\infty } \frac{2^n + 8^n}{10^n} = ?$

How do I estimate the error term when computing the number of integers which have the fractional part of their square roots in a given interval?

Formula for $\sum_{i = 1}^n k^n$

Discrete Fourier Transform of $\omega^{n(n-1)/2}$

question on identity of sums with exponent.

Is Every transcendental entire function $f(z) = C + \exp a + \exp b + \exp c $?

Solve $e^{k_1/x}+e^{k_2/x}+\cdots+e^{k_N/x}=1$ for $x$

Character sum of a type of "almost linear" surjective mappings over finite fields

Maximizing the sum of exponentials whose exponents sum to $N$

Infinite sum involving powers and factorials

When does sum of exponentially many exponential functions go to zero?

Why does this exponential identity hold? $3\cdot 2^{2n+2} - 3\cdot2^{2n} = 3\cdot2^{2n}$

Simplifying sums of exponentials

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