The height of the Mandelbrot Set
106122
Supremum of all y-coordinates of the Mandelbrot set
4213
The set that only contains itself
86807
The units of $\mathbb Z[\sqrt{2}]$
62687
Proving Cardinality of Cosets in Abstract Algebra
3327
Height and minimal number of generators of an ideal
120712
Is there a way to define the "size" of an infinite set that takes into account "intuitive" differences between sets?
101028
Irrational numbers and Borel Sets
155066
Dimension of the quotient space $\frac{C_{0}}{M}.$
142583
Subsets of the Cantor set
154474
Image of countable and uncountable sets
3101
Meaning of a set in the exponent
117479
Mutual set of representatives for left and right cosets: what about infinite groups?
156479
Fractal dimension of set in $\mathbb{R}^2$
15387
Order of $GL(n, \mathbb Z_p)$
151326
Concurrency of the heights of a tetrahedron with opposite edges perpendicular.
24580
Trying to visualize the Collatz conjecture
68172
Erdős-Straus conjecture