Dominic van der Zypen's user avatar
Dominic van der Zypen's user avatar
Dominic van der Zypen's user avatar
Dominic van der Zypen
  • Member for 13 years, 7 months
  • Last seen this week
58 votes
7 answers
8k views

In what respect are univalent foundations "better" than set theory?

34 votes
9 answers
5k views

Decision problems for which it is unknown whether they are decidable

33 votes
4 answers
2k views

Connectedness in the language of path-connectedness

30 votes
2 answers
1k views

Is $\mathbb{R}\cong\text{Cont}(X,Y)$ for some non-trivial spaces $X,Y$?

26 votes
2 answers
2k views

Runner's High (Speed)

25 votes
2 answers
2k views

Question on a generalisation of a theorem by Euler

25 votes
3 answers
1k views

What spaces $X$ do have $\text{End}(X) \cong \text{End}(\mathbb{R})$?

23 votes
4 answers
2k views

Are infinite groups in which most elements have order $\leq 2$ commutative?

22 votes
2 answers
2k views

Does the "three-set-lemma" imply the Axiom of Choice?

20 votes
3 answers
968 views

Does the hypergraph of subgroups determine a group?

20 votes
2 answers
536 views

$\kappa$-homogeneous topological spaces

19 votes
3 answers
2k views

Non-homeomorphic spaces such that taking away a point makes them homeomorphic

19 votes
3 answers
1k views

"Anti" fixed point property

17 votes
1 answer
426 views

"Good" edge-colorings

17 votes
0 answers
991 views

Is the set of integers of the form $a/(b+c)+b/(a+c)+c/(a+b)$ computable?

17 votes
2 answers
1k views

"Insanely increasing" $C^\infty$ function with upper bound

17 votes
1 answer
890 views

Fraction of $S_n$ reachable by using every transposition once as $n\to\infty$?

17 votes
1 answer
1k views

Does the set of square numbers adhere to Benford's law in every base?

17 votes
1 answer
567 views

Aperiodic monotile in $\mathbb{R}$

15 votes
1 answer
737 views

Page-turning number of a graph

15 votes
1 answer
1k views

Parity and the Axiom of Choice

15 votes
3 answers
1k views

Is $\prod_{i=1}^\infty (1-\frac{1}{2^{(2^i)}})$ transcendental?

14 votes
1 answer
312 views

Are these two quotients of $\omega^\omega$ isomorphic?

14 votes
3 answers
405 views

$T_2$ topologies that are "as disjoint as possible"

14 votes
2 answers
1k views

Hausdorff spaces with trivial automorphism group

13 votes
1 answer
666 views

Strongly rigid Hausdorff spaces

13 votes
4 answers
719 views

Cardinality of the set of functions commuting with $f:X\to X$

13 votes
1 answer
620 views

$T_2$-spaces where all non-empty open sets are homeomorphic

13 votes
1 answer
508 views

"Drinking number" of a graph

13 votes
1 answer
262 views

Can any poset of cardinality $\leq 2^{\aleph_0}$ be embedded in ${\cal P}(\omega)/(\text{fin})$?

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