bio | website | thales.doa.fmph.uniba.sk/… |
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location | Bratislava, Slovakia | |
age | 36 | |
visits | member for | 4 years, 8 months |
seen | 1 hour ago | |
stats | profile views | 680 |
Feb 19 |
revised |
Uniqueness of minimal completions of a partially ordered set
typos: MacNielle -> MacNeille; added links |
Feb 19 |
suggested | approved edit on Uniqueness of minimal completions of a partially ordered set |
Jan 15 |
comment |
name for “solid” subset of a partially ordered set?
It is probably not worth bumping 5 years old post with such a trivial edit, but for the sake of better readability, the condition is: If $a,c\in S$ and $b\in P$ and $a\le b\le c$ then $b\in S$. |
Jan 10 |
revised |
Best online mathematics videos?
added (online-resources) tag; this tag was discussed here: http://chat.stackexchange.com/rooms/10243/conversation/online-resources-tag |
Dec 28 |
comment |
Subset of the plane that intersects every line exactly twice
There is also freely available paper Erdös, P., and Bagemihl, F.. "Intersections of prescribed power, type, or measure." Fundamenta Mathematicae, eudml.org/doc/213347, matwbn.icm.edu.pl/ksiazki/fm/fm41/fm4119.pdf |
Dec 28 |
revised |
Subset of the plane that intersects every line exactly twice
minor typo; added jstor link |
Dec 28 |
suggested | approved edit on Subset of the plane that intersects every line exactly twice |
Dec 12 |
revised |
How prove this polynomial inequality from a book
minor typos |
Dec 12 |
comment |
How prove this polynomial inequality from a book
Here is Google Books link to the reference given by Lucia. I would be quite curious to know the name of the book where you saw this problem. |
Dec 12 |
suggested | approved edit on How prove this polynomial inequality from a book |
Dec 3 |
comment |
Hausdorff spaces with trivial automorphism group
There is also a series of papers by Kannan and Rajagopalan on the topic of rigid spaces. You can find there some further constructions and references. They also study strongly rigid spaces, which you mention in another question. |
Nov 18 |
comment |
Stone-Cech compatification and ultrafilter
You can also have a look at these notes of mine which include proofs of some facts about ultrafiter construction of $\beta\mathbb N$. I would say the proofs there are quite detailed. |
Nov 18 |
comment |
Stone-Cech compatification and ultrafilter
If you can be more specific, perhaps you could make a suitable question for math.SE from this. Asking not so specific question seems to be more suitable for chat. Over there at math.SE we have General Topology chatroom which is rather inactive these days. However, you need at least 20 reputation points to talk in chat. I am not sure whether you need 20 points on math.SE or 20 points on any site would suffice. |
Nov 2 |
comment |
“a shape that … lies halfway between a square and a circle”
Since my suggested edit was rejected, I'll just point out in a comment that it is preferred to embed images using the editor/imgur instead of using external links to prevent link rot (as discussed on meta). |
Nov 2 |
comment |
“The” random tree
I have checked internet archive to see whether the pictures can be recovered from there. But I was not able to find a snapshot with working images. |
Nov 2 |
suggested | rejected edit on “a shape that … lies halfway between a square and a circle” |
Oct 24 |
comment |
Subset of the plane that intersects every line exactly twice
Problem 12.7 in Komjáth, Totik: Problems and Theorems in Classical Set Theory. The problem is formulated on p. 60, the solution is given on p. 287. |
Aug 26 |
revised |
Examples of unexpected mathematical images
reposted images using the editor's interface - this might prevent link-rot, see http://meta.mathoverflow.net/questions/1012/inline-images-not-displaying-correctly and http://meta.math.stackexchange.com/questions/4205/permanent-picture-uploads |
Jul 21 |
comment |
Rediscovery of lost mathematics
Link: dx.doi.org/10.1090/S0273-0979-2014-01458-2 |
Jul 21 |
revised |
Rediscovery of lost mathematics
added links |