Reputation
Next tag badge:
99/100 score
25/20 answers
Badges
5 38 83
Newest
 Necromancer
Impact
~287k people reached

1d
answered Totally separated, but the clopen sets do not form a basis
Mar
27
answered Is there a topological space $X$ such that $C_p(X)$ is sequential but not Fréchet?
Feb
22
answered Why we use $\mathrm{Fn}(\kappa\times\lambda,2,\lambda)$ to force $2^\lambda\ge\kappa$ instead of $\mathrm{Fn}(\kappa\times \lambda,2)$
Feb
6
wiki created sorgenfrey-line excerpt
Feb
6
wiki created sorgenfrey-line description
Nov
22
answered Zero sets in Mrówka spaces
Nov
10
answered Regarding functions on $\omega_1$
Nov
6
answered Possible behaviours of the cofinality-of-neighbourhood function for topological spaces $X$ that are connected.
Nov
5
answered Example of a $T_1$ space that does not have the property that every compact subspace of $X$ is closed.
Oct
15
answered Why wouldn't someone accept Gentzen's consistency proof?
Oct
8
answered Consistency of restricted forms of Martin's Axiom with the negation of the Continuum Hypothesis
Oct
2
answered Spaces where all compact subsets are closed
Sep
24
answered Is there always an equivalent metric which is not complete?
Sep
3
answered Mary Ellen Rudin's proof that all metric space are paracompact
Aug
28
answered Operators on the family of all subsets of a topological space that maybe generates a base for these family.
Aug
26
answered A locally metrizable, Lindelöf Hausdorff space that is not metrizable
Aug
24
answered Equality of sets of local isomorphisms between relations
Aug
22
answered A countable, compact KC-subspace of a hereditarily Lindelöf minimal KC-space
Aug
20
answered The Cantor set is not strong measure zero
Aug
17
answered Countably local finiteness and a related(?) property