Ostap Chervak

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Name Ostap Chervak
Member for 2 years
Seen yesterday
Website
Location Lviv
Age 20
Interests: Ramsey theory, General Topology, Asymptotic Topology, Dimension Theory, Algebraic Topology, Commutative rings, Set Theory, Forcing, General Number Theory

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Two commuting mappings in the disk

may 14 at 11:22 Daniele Zuddas 808●2●9

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Proofs that require fundamentally new ways of thinking

may 9 at 23:09 Dan Sălăjan 211●8

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Does $Aut(Aut(…Aut(G)…))$ stabilize?

apr 24 12 at 3:39 Igor Rivin 31.1k●3●37●71

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What are the most elegant proofs that you have learned from MO?

jul 25 11 at 3:13 Ali Enayat 4,459●1●9●23

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Checkmate in $\omega$ moves?

feb 19 at 4:25 Joel David Hamkins 74.9k●7●187●343

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Free, high quality mathematical writing online? [closed]

jan 24 12 at 21:25 Leandro Vendramin 891●1●4●12

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Elementary+Short+Useful

dec 4 11 at 10:56 Michael Greinecker 3,884●1●11●25

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Interesting applications of the Pigeon-hole Principle

jan 26 12 at 21:48 David White 4,848●1●20●27

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Does Euclidean space have a compact factor?

apr 4 at 21:42 Ricardo Andrade 2,382●1●9●18

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Is there an associative metric on the non-negative reals?

feb 26 10 at 2:18 t3suji 2,717●1●8●13

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Most intricate and most beautiful structures in mathematics

jan 3 12 at 22:40 Andres Caicedo 14.4k●1●42●79

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