Ramiro de la Vega's user avatar
Ramiro de la Vega's user avatar
Ramiro de la Vega's user avatar
Ramiro de la Vega
  • Member for 12 years, 6 months
  • Last seen this week
14 votes
Accepted

What is this equivalence relation on topological spaces: there are bijective continuous maps in both directions

1 vote

What is the source to find cardinal invariants for a function space C(X, Y), equipped with uniform or fine topology?

3 votes
Accepted

On the hereditary Lindelof topological spaces

3 votes

Separability of subspaces of homogeneous topological spaces

3 votes
Accepted

Bounding and dominating numbers for preordering $\leq^*$ on bijections $f:\omega\to\omega$

5 votes

Is the lexicographic ordering on the unit square perfectly normal?

1 vote

Ordering a subset of the clopens of a Stone space

1 vote

How to determine the family of bounded functions from an infinite Fort space to $[0,1]$?

0 votes

Topological dimension of the image of continuous surjective functions

8 votes

Rigid space, but with homeomorphic neighborhoods

5 votes
Accepted

Does every bijective graph endomorphism restrict to a full-cardinality isomorphism?

5 votes
Accepted

Separability of the Stone space of a free sigma-algebra

12 votes
Accepted

Name for topological spaces where "every point has a local base wellordered by reverse inclusion"?

10 votes
Accepted

Chromatic number of a connected Hausdorff space

8 votes
Accepted

What is known about topological groups of countable spread in ZFC?

1 vote

Independent families of subsets of $\mathbb N$ of size continuum

4 votes
Accepted

Hereditary Lindelöfness in $C_p$-spaces

5 votes
Accepted

Injective, but no bijective neighborhood map

6 votes

Approximation of the identity by simple functions

3 votes
Accepted

Approximation on separable topological space with size $\mathfrak{c}$

8 votes

Reflection of the chain-condition: clarifying a suspected typo

2 votes
Accepted

Connected box products of Hausdorff spaces

6 votes
Accepted

Checking finite subcover property on dense subset

4 votes
Accepted

The square of a ccc topological group

2 votes

Connected $T_2$-space with $\text{Cont}(X,X)$ not dense in $X^X$

6 votes

partitions of Boolean algebras

5 votes
Accepted

Subcovers without a choice set

3 votes

Independent families of functions on $\omega$ of size continuum

3 votes

Chain of interior of closed set

1 vote

Is there a known construction for heavy topologies of all sizes?

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