Skip to main content
Greg Martin's user avatar
Greg Martin's user avatar
Greg Martin's user avatar
Greg Martin
  • Member for 14 years, 5 months
  • Last seen this week
200 votes
Accepted

Meaning of Rays in Polar Plot of Prime Numbers

83 votes
Accepted

Can there be an injective function whose derivative is equivalent to its inverse function?

79 votes
Accepted

A curious equality of integrals involving the prime counting function?

63 votes
Accepted

Is an infinite composition of bijections always a bijection?

53 votes
Accepted

Sum of odd numbers can never equal their least common multiple

44 votes
Accepted

Simple proof Euler–Mascheroni $\gamma$ constant

43 votes
Accepted

How can I prove that $\gcd(a,b)=1\implies \gcd(a^2,b^2)=1$ without using prime decomposition?

40 votes

Can any analytic function be written as the difference of two monotonically increasing analytic functions?

40 votes
Accepted

Why dividing equation by absolute value gives bad result

39 votes

Regarding a Coin Toss Experiment by Neil DeGrasse Tyson, and its validity

39 votes
Accepted

How do we know we're finding all of the zeros to Riemann zeta function?

38 votes
Accepted

Why am I getting a finite integral for infinite area?

36 votes
Accepted

Are matrices always diagonalizable in the complex field?

36 votes
Accepted

Can we permute the coefficients of a polynomial so that it has NO real roots?

31 votes

Is there a matrix of every size with all its submatrices invertible?

31 votes
Accepted

Analyzing a student's mistake in solving the system $c_2\sin{p}+c_1\cos{p}-c_1= c_1 p\sin{p}-c_2p\cos{p}+c_2p =0$ for $p$

31 votes
Accepted

How slowly can a series grow to be convergent?

27 votes
Accepted

Question on the "empty function"

27 votes
Accepted

Finding $\lim\limits_{n \to \infty}{\frac{1^1+2^2+3^3+\cdots+n^n}{n^n}}$

25 votes
Accepted

Confused about the definition of a limit point

24 votes
Accepted

Can we partition the reciprocals of $\mathbb{N}$ so that each sum equals 1

23 votes
Accepted

Is $\frac{1}{11}+\frac{1}{111}+\frac{1}{1111}+\cdots$ an irrational number?

22 votes
Accepted

General Term for the Sequence 0, 1, 5, 6, 13, 14, 18, 19, 29, 30, 34, 35, 42

21 votes
Accepted

Trying to calculate a limit with a finite product and WolframAlpha disagrees with my logic.

21 votes

Implications of Goldbach's prime number conjecture

21 votes
Accepted

Why is $ab$ likely to have more divisors than $(a-b)(a+b)$?

20 votes

How do I prove that $x^p-x+a$ is irreducible in a field with $p$ elements when $a\neq 0$?

19 votes
Accepted

Does the series $\sum_{n=1}^\infty\frac{\sin n}{\ln n+\cos n}$ converge?

18 votes
Accepted

If $\lim_{x\to\infty}\frac{f'(x)}{f(x)}=1$, is $f$ asymptotic to $\exp$?

18 votes
Accepted

Is $1^{1!}+2^{2!}+3^{3!}+\dots n^{n!}$ a perfect square?

1
2 3 4 5
81