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seen Sep 25 at 20:05

An amateur general topology researcher.


Sep
9
revised Another conjecture about filters and cartesian products
typo
Sep
9
revised Another conjecture about filters and cartesian products
minor correction
Sep
9
revised Another conjecture about filters and cartesian products
clarified non-counterexample
Sep
9
revised Another conjecture about filters and cartesian products
Forgotten definition of \Delta
Sep
9
asked Another conjecture about filters and cartesian products
Sep
6
revised For every pair of vertexes there is at most one path
a counter-example for an answer
Sep
6
asked For every pair of vertexes there is at most one path
Aug
26
comment Directed multigraph with numbered edges
@Casteels: Accordingly my understanding "edge-labeled directed multigraph" may have labels which are not natural numbers, have duplicate labels for two different edges starting in the same vertex, etc. So, I think this is not an answer
Aug
26
asked Directed multigraph with numbered edges
Aug
23
comment A conjecture about filters and finite unions of cartesian products
No, not that simple. I keep thinking
Aug
23
comment A conjecture about filters and finite unions of cartesian products
It seems that there is a simple solution: Just restrict for the case when $a$ are trivial ultrafilters. No I am checking that this is a correct solution.
Aug
23
revised A conjecture about filters and finite unions of cartesian products
added 33 characters in body
Aug
23
revised A conjecture about filters and finite unions of cartesian products
added 12 characters in body
Aug
23
asked A conjecture about filters and finite unions of cartesian products
Jul
20
asked An English question for a logical term
Jul
19
comment Filters on a set of filters, are they equivalent to just filters?
@PatrickDaSilva $U$ is a set. It does not "have poset structure".
Jul
19
revised Filters on a set of filters, are they equivalent to just filters?
added 48 characters in body
Jul
19
asked Filters on a set of filters, are they equivalent to just filters?
Jul
2
awarded  Curious
Jul
2
awarded  Inquisitive