Question

Identity involving the Möbius function and the first derivative of the Riemann zeta function

score 580 · Answer 1 · 2026-05-10 15:35:04

580

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Identity involving the Möbius function and the first derivative of the Riemann zeta function

Published on 10 May 2026 - 15:35

score 92 · Answer 2 · 2026-04-15 08:31:43

92

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Introductory reference on rationality and irrationality of real numbers

Published on 15 Apr 2026 - 8:31

score 952 · Answer 3 · 2026-05-10 20:02:54

952

Views

How to prove that two $p$-adic lattices are isomorphic?

Published on 10 May 2026 - 20:02

score 430 · Answer 4 · 2026-04-16 15:41:47

430

Views

Number of Subgroups for rational numbers $\mathbb{Q}$ of finite index

Published on 16 Apr 2026 - 15:41

score 294 · Answer 5 · 2026-04-12 06:57:22

294

Views

Is Dirichlet's theorem on arithmetic progressions true for ring of Gaussian integers?

Published on 12 Apr 2026 - 6:57

score 114 · Answer 6 · 2026-04-13 23:44:42

114

Views

Decrease in algebraic degree on multiplying a real number with a root of unity

Published on 13 Apr 2026 - 23:44

score 50 · Answer 7 · 2026-04-14 12:03:49

50

Views

Find the least exponent of power of twos in a positive integer.

Published on 14 Apr 2026 - 12:03

score 64 · Answer 8 · 2026-04-15 23:35:31

64

Views

Finding a couple of numbers which satisfy $(a + b)|(a + c)$ and $(a + b)|(2c)$ using a "systematic" method

Published on 15 Apr 2026 - 23:35

score 265 · Answer 9 · 2026-04-12 06:34:15

265

Views

Partitioning a number into set of coprimes such that their product is maximum and sum of partition is the number itself

Published on 12 Apr 2026 - 6:34

score 104 · Answer 10 · 2026-04-17 06:33:13

$\frac{a^{3}+1}{b+1}+\frac{b^{3}+1}{a+1}$ an integer $\Rightarrow \frac{a^{3}+1}{b+1}$ and $\frac{b^{3}+1}{a+1}$ are integers.

score 60 · Answer 11 · 2026-05-06 05:16:05

60

Views

Divisibility of $a^x - 1$

Published on 06 May 2026 - 5:16

score 65 · Answer 12 · 2026-05-06 06:13:49

65

Views

How to simplify this equality: $\sum_{i=1}^{n}\sum_{d\mid i} (\lfloor \frac{i}{d+1} \rfloor + \lfloor \frac{i}{d-1} \rfloor)$?

Published on 06 May 2026 - 6:13

score 154 · Answer 13 · 2026-05-11 04:01:58

154

Views

RSA signature verification with a different modulus

Published on 11 May 2026 - 4:01

score 454 · Answer 14 · 2026-05-06 06:14:25

454

Views

Dirichlet L-function and convergence of $\sum\limits_p \frac{\chi(p)}{p}$

Published on 06 May 2026 - 6:14

score 236 · Answer 15 · 2026-04-14 09:09:09

236

Views

Parity of sum of powers of odd numbers

Published on 14 Apr 2026 - 9:09

List Question

Identity involving the Möbius function and the first derivative of the Riemann zeta function

Introductory reference on rationality and irrationality of real numbers

How to prove that two $p$-adic lattices are isomorphic?

Number of Subgroups for rational numbers $\mathbb{Q}$ of finite index

Is Dirichlet's theorem on arithmetic progressions true for ring of Gaussian integers?

Decrease in algebraic degree on multiplying a real number with a root of unity

Find the least exponent of power of twos in a positive integer.

Finding a couple of numbers which satisfy $(a + b)|(a + c)$ and $(a + b)|(2c)$ using a "systematic" method

Partitioning a number into set of coprimes such that their product is maximum and sum of partition is the number itself

$\frac{a^{3}+1}{b+1}+\frac{b^{3}+1}{a+1}$ an integer $\Rightarrow \frac{a^{3}+1}{b+1}$ and $\frac{b^{3}+1}{a+1}$ are integers.

Divisibility of $a^x - 1$

How to simplify this equality: $\sum_{i=1}^{n}\sum_{d\mid i} (\lfloor \frac{i}{d+1} \rfloor + \lfloor \frac{i}{d-1} \rfloor)$?

RSA signature verification with a different modulus

Dirichlet L-function and convergence of $\sum\limits_p \frac{\chi(p)}{p}$

Parity of sum of powers of odd numbers

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