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damiano
  • Member for 13 years, 8 months
  • Last seen more than a month ago
46 votes

Does the number pi have any significance besides being the ratio of a circle's diameter to its circumference?

36 votes

What do all the $k$-cycles in $S_n$ generate?

28 votes
Accepted

Using Gröbner bases for solving polynomial equations

18 votes

Parametrizing implicit algebraic curves

11 votes

Does $9^{2^n} + 1$ always have a prime factor larger than $40$?

9 votes

Why is fundamental group insufficient to classify manifolds?

5 votes
Accepted

Dimension of Vector space

5 votes

Minimum of the Gamma Function $\Gamma (x)$ for $x>0$. How to find $x_{\min}$?

5 votes
Accepted

What are some examples of non smooth continuous functions without "kinks"?

3 votes

How to tell if a line segment intersects with a circle?

2 votes
Accepted

Derivative of a product and derivative of quotient of functions theorem: I don't understand its proof

1 vote

Counting equivalence relations

1 vote

Existence of a normal subgroup with $\lvert\operatorname{Aut}{(H)}\rvert>\vert\operatorname{Aut}{(G)}\rvert$

1 vote

Why did no student correctly find a pair of $2\times 2$ matrices with the same determinant and trace that are not similar?

0 votes

how to construct 17-vertexed graph for Ramsey number R(3,6)=18