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Harry Stern
  • Member for 11 years, 8 months
  • Last seen more than 7 years ago
  • New Jersey
28 votes

What are good books to learn graph theory?

25 votes

Non-Scientific questions solved by mathematics

16 votes

Can every even integer be expressed as the difference of two primes?

10 votes

Anecdotes about famous mathematicians or physicists

4 votes

discrete math book suitable for younger person?

3 votes

Eulerian graphs proof

3 votes

Parity of $k = d d^{\prime} > 1$ vs $\text{gcd}(d+1,d^{\prime} +1)$ for distinct divisors $d$ and $d^{\prime}$

2 votes

How Many Angles in an Angle?

1 vote

Topic for a high school-level math elective?

1 vote

Is there a formula for solving the congruence equation $ax^2 + bx + c=0$?

0 votes

Do odd imaginary numbers exist? [parity for Gaussian integers]

-2 votes

How to prove that a torus has the same volume as a cylinder (with the height equal to the torus' perimeter)