Question

Number theory : values of $l$, $k$; $k$ and $l$ are relatively prime to $n$ with $kl \equiv 1 \pmod n$.

score 321 · Answer 1 · 2026-05-15 16:08:53

321

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Number theory : values of $l$, $k$; $k$ and $l$ are relatively prime to $n$ with $kl \equiv 1 \pmod n$.

Published on 15 May 2026 - 16:08

score 64 · Answer 2 · 2026-04-18 11:42:02

64

Views

Prove: $|\{(x,y)\in \Bbb F_q^2 : y^2 = Q(x) \}|=q-1$ in a finite field

Published on 18 Apr 2026 - 11:42

score 358 · Answer 3 · 2026-05-10 16:17:39

358

Views

An observation on Non-Trivial Zeros of Riemann Zeta Function.

Published on 10 May 2026 - 16:17

score 77 · Answer 4 · 2026-05-11 00:34:55

77

Views

How to distribute 5 cards among 3 people $A,B,C$ so that none of the person have empty hands

Published on 11 May 2026 - 0:34

score 1.9k · Answer 5 · 2026-05-15 23:17:04

1.9k

Views

What are the positive integer solutions to $x^2-x+1 = y^3$?

Published on 15 May 2026 - 23:17

score 73 · Answer 6 · 2026-04-15 06:17:40

73

Views

Find all integers $a$ and $b$, so that $ab$ is a factor in $a^5+b$

Published on 15 Apr 2026 - 6:17

score 48 · Answer 7 · 2026-04-13 00:38:19

48

Views

For $a \in K$, is $N_{L/K}(a) = a^{[L:K]}$ or is it rather $a^{[L:K]_s}$?

Published on 13 Apr 2026 - 0:38

score 46 · Answer 8 · 2026-05-15 00:40:33

46

Views

Is $e^{\frac{\vartheta(x)}{x}}\ll_{\varepsilon}x^{\varepsilon} $?

Published on 15 May 2026 - 0:40

score 308 · Answer 9 · 2026-04-12 02:17:01

308

Views

Maximum of divisor function ratio over an interval

Published on 12 Apr 2026 - 2:17

score 38 · Answer 10 · 2026-05-15 16:07:06

38

Views

How many members $a$ in $\Bbb{Z}^*$ have a number $b$, $b^3 = a \pmod n$?

Published on 15 May 2026 - 16:07

score 839 · Answer 11 · 2026-05-11 09:32:23

839

Views

Is there a canonical extension of Euler's totient function to the reals?

Published on 11 May 2026 - 9:32

score 51 · Answer 12 · 2026-04-16 19:50:18

51

Views

Number of primes $p$ less than $n$ s.t $p \equiv 3 \pmod 4$

Published on 16 Apr 2026 - 19:50

score 127 · Answer 13 · 2026-04-16 04:27:02

127

Views

Solving the limit of $\lim_{x\to 1-n} (\exp(2 \pi i x)-1)\Gamma(x)$

Published on 16 Apr 2026 - 4:27

score 76 · Answer 14 · 2026-04-14 22:28:21

76

Views

On a certain bijection of the multiplicative group modulo prime $p=2^k+1$.

Published on 14 Apr 2026 - 22:28

score 141 · Answer 15 · 2026-05-15 17:01:25

141

Views

Proof that $\sum_{d\mid n}\phi(d)=n$

Published on 15 May 2026 - 17:01

List Question

Number theory : values of $l$, $k$; $k$ and $l$ are relatively prime to $n$ with $kl \equiv 1 \pmod n$.

Prove: $|\{(x,y)\in \Bbb F_q^2 : y^2 = Q(x) \}|=q-1$ in a finite field

An observation on Non-Trivial Zeros of Riemann Zeta Function.

How to distribute 5 cards among 3 people $A,B,C$ so that none of the person have empty hands

What are the positive integer solutions to $x^2-x+1 = y^3$?

Find all integers $a$ and $b$, so that $ab$ is a factor in $a^5+b$

For $a \in K$, is $N_{L/K}(a) = a^{[L:K]}$ or is it rather $a^{[L:K]_s}$?

Is $e^{\frac{\vartheta(x)}{x}}\ll_{\varepsilon}x^{\varepsilon} $?

Maximum of divisor function ratio over an interval

How many members $a$ in $\Bbb{Z}^*$ have a number $b$, $b^3 = a \pmod n$?

Is there a canonical extension of Euler's totient function to the reals?

Number of primes $p$ less than $n$ s.t $p \equiv 3 \pmod 4$

Solving the limit of $\lim_{x\to 1-n} (\exp(2 \pi i x)-1)\Gamma(x)$

On a certain bijection of the multiplicative group modulo prime $p=2^k+1$.

Proof that $\sum_{d\mid n}\phi(d)=n$

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