bio | website | |
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location | ||
age | ||
visits | member for | 3 years, 8 months |
seen | Jun 16 '13 at 10:11 | |
stats | profile views | 1,260 |
Jun 25 |
awarded | Tumbleweed |
Jun 25 |
awarded | Citizen Patrol |
Jun 25 |
awarded | Promoter |
May 30 |
comment |
A question on semi-stratifiable space
@Joel: maybe I should mentioned it. |
May 29 |
revised |
A question on semi-stratifiable space
added 144 characters in body |
May 29 |
comment |
A question on semi-stratifiable space
$g: \mathbb N \times X \to \tau_X$ is a $g$-function of $X$ if for any $x$ and $n \in \mathbb N$, $x \in g(n+1,x) \subset g(n,x)$. |
May 29 |
asked | A question on semi-stratifiable space |
May 4 |
comment |
A conjecture on closed discrete subset
what is meaning of non-measurable cardinality? |
May 4 |
comment |
A question on continuous mappings
Buzyakova posted a new definition of absolutely submetrizable (= every Tychonoff subtopology is submetrizable) in the paper: On absolutely submetrizable spaces |
May 4 |
asked | A conjecture on closed discrete subset |
May 4 |
asked | A question on continuous mappings |
May 1 |
asked | A question on star $\sigma$-compact spaces |
Apr 26 |
comment |
Is $f$ continuous?
Yes. He may be very old. |
Apr 26 |
comment |
Is $f$ continuous?
The author said unclearly in the paper. |
Apr 26 |
revised |
Is $f$ continuous?
added 33 characters in body; added 8 characters in body; added 12 characters in body; edited body; edited body |
Apr 26 |
asked | Is $f$ continuous? |
Mar 29 |
awarded | Teacher |
Mar 29 |
revised |
What is the smallest cardinality a topology can have which is c.c.c but not separable (in ZFC)?
added 9 characters in body; deleted 11 characters in body; added 36 characters in body; deleted 6 characters in body |
Mar 29 |
answered | What is the smallest cardinality a topology can have which is c.c.c but not separable (in ZFC)? |
Mar 18 |
comment |
A question on countably compact space
@Ali: could you give me a link of the book, so I can download it? |