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Dominic van der Zypen's user avatar
Dominic van der Zypen's user avatar
Dominic van der Zypen's user avatar
Dominic van der Zypen
  • Member for 14 years, 4 months
  • Last seen this week
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revised
Minor ordering for finite graphs
injective order-preserving -> I wanted "order-embedding"
asked
Minor ordering for finite graphs
awarded
 Nice Question
accepted
Strongly rigid Hausdorff spaces
asked
Strongly rigid Hausdorff spaces
accepted
Hausdorff spaces with trivial automorphism group
accepted
Strongly asymmetric graphs
asked
Hausdorff spaces with trivial automorphism group
asked
"Homomorphism fingerprint" for graphs
asked
Cores of infinite graphs
revised
What can be said about graphs if there are homomorphisms in both directions?
edited body
asked
What can be said about graphs if there are homomorphisms in both directions?
comment
Is it provable in $\mathsf{ZF}$ that there is a group structure on any set $X$?
Oh - it is a duplicate. I'm sorry.
asked
Is it provable in $\mathsf{ZF}$ that there is a group structure on any set $X$?
accepted
How many pairwise non-homeomorphic compact, zero-dimensional topologies are there on $\mathbb{N}$?
asked
How many pairwise non-homeomorphic compact, zero-dimensional topologies are there on $\mathbb{N}$?
awarded
 Yearling
comment
Realizing a monoid as $\mathrm{End}(G)$ for some graph $G$
That's fantastic Adam - thanks for your general remarks!
accepted
Realizing a monoid as $\mathrm{End}(G)$ for some graph $G$
comment
Realizing a monoid as $\mathrm{End}(G)$ for some graph $G$
Good point - I was referring to simple, undirected graphs ( en.wikipedia.org/wiki/Graph_%28mathematics%29 )
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