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An amateur general topology researcher.


Mar
31
asked Notation/terminology: Existence of a nonleast element which is less of any element of a set
Mar
27
answered Mathematical intro to Turing machines
Mar
22
accepted Two definitions of a monovalued morphism
Mar
22
comment Two definitions of a monovalued morphism
What about the reverse implication: metamonovalued $\Rightarrow$ monovalued?
Mar
22
comment Two definitions of a monovalued morphism
No, contrary to what you say, in the category $\mathcal Rel$ every monovalued morphism is metamonovalued: See proposition 3.83 in my book: mathematics21.org/algebraic-general-topology.html (if I mistake, correct me)
Mar
17
asked Infinite solutions of Navier-Stokes equations
Mar
16
comment Replace $n$ sets with two sets (set theoretic equality)
@AndresCaicedo: Thanks, corrected.
Mar
16
revised Replace $n$ sets with two sets (set theoretic equality)
added 4 characters in body
Mar
14
asked A special filter on cartesian product of sets
Mar
13
accepted Replace $n$ sets with two sets (set theoretic equality)
Mar
13
revised Replace $n$ sets with two sets (set theoretic equality)
small type
Mar
13
suggested suggested edit on Replace $n$ sets with two sets (set theoretic equality)
Mar
13
revised Replace $n$ sets with two sets (set theoretic equality)
small error fixes
Mar
13
suggested suggested edit on Replace $n$ sets with two sets (set theoretic equality)
Mar
13
comment Replace $n$ sets with two sets (set theoretic equality)
@Unwisdom: I mean $\bigcup_{j\neq i}A_{j}$. (It can't mean something different.)
Mar
13
revised Replace $n$ sets with two sets (set theoretic equality)
deleted 11 characters in body
Mar
13
asked Replace $n$ sets with two sets (set theoretic equality)
Mar
9
asked Shorten a proof using Galois connections
Mar
8
revised A totally bounded uniformity and certain filters
added 2 characters in body
Mar
8
comment A totally bounded uniformity and certain filters
Oops, I've corrected an error in the second displayed formula (and yet one more error in the same formula)