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Alex Ravsky's user avatar
Alex Ravsky's user avatar
Alex Ravsky's user avatar
Alex Ravsky
  • Member for 9 years, 2 months
  • Last seen this week
  • Lviv, Ukraine
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17
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About

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My papers: arXiv, Google Scholar.

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Top posts
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All Questions Answers
Score Newest
answer
11
Non meager rectangle
Jun 15, 2015
question
9
A rainbow perfect matching in an edge-colored graph with spanning color classes
Jul 6, 2021
answer
7
Convergent net in a quasi-uniform space which is not Cauchy
Oct 1, 2017
answer
6
The cardinal characteristic $\mathfrak r_{(X,f)}$ of a dynamical system
Oct 5, 2021
question
6
A rather non-$F_\sigma$ Borel set
Sep 21, 2020
question
6
A representation of a partial order by a slowly changing sequence of linear orders
Jul 21, 2021
question
6
A property of rapid sequences of natural numbers
Sep 4, 2021
question
5
Maximal number of triple intersection points of $n$ circles
Mar 4, 2017
question
5
A special perfect matching in a complete edge-colored graph
Jul 2, 2021
question
5
Bounds for a small cardinal
Sep 10, 2021
Top network posts
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95
How to prove every closed interval in R is compact?
28
Graph theoretic proof: For six irrational numbers, there are three among them such that the sum of any two of them is irrational.
25
Graph theoretic proof: For six irrational numbers, there are three among them such that the sum of any two of them is irrational.
22
Do Hausdorff spaces that aren't completely regular appear in practice?
21
Integer function which takes every value infinitely often

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