User Alex Ravsky - MathOverflow Meta

Alex Ravsky

Member for 11 years
Last seen more than a month ago

Lviv, Ukraine

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My papers: arXiv, Google Scholar.

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105

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.

23

Do Hausdorff spaces that aren't completely regular appear in practice?

21

Integer function which takes every value infinitely often