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mathematrucker
  • Member for 13 years, 2 months
  • Last seen more than a week ago
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10
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6
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About
Enjoy problem-solving as a hobby.
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25
Score
10
Posts
62
Posts %
11
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Posts
12
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11
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6
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12
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6
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12
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Top posts
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All Questions Answers
Score Newest
answer
11
Mathematics as a hobby
Apr 5, 2010
answer
11
Is there a list of all connected T_0-spaces with 5 points?
Jun 22, 2017
answer
10
Is there an index for solutions to American Mathematical Monthly problems?
Jun 4, 2018
question
8
Can closure and complement generate 14 distinct operations on a topological space if no subset generates more than 6 distinct sets?
Mar 21, 2019
question
8
Smallest relation in complement of partial order that prohibits its extension
Mar 13, 2022
answer
6
The Closure-Complement-Intersection Problem
Apr 5, 2010
question
5
Partitions of the reals such that closures of partition elements are saturated
Jul 22, 2017
answer
4
Is the preimage of the closure the closure of the preimage under a quotient map?
Aug 11, 2016
question
3
How rigorously can we apply the data supplied by this nonstandard attack on Kuratowski's closure-complement problem?
Oct 11, 2022
answer
3
Papers of the masters translated to English in one location
Dec 2, 2022
Top network posts
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19
What is the smallest cardinality of a Kuratowski 14-set?
9
Examples of topologies in which all open sets are regular?
6
How to prove that $ \text{int}(\text{cl}(A)) = \text{cl}(\text{int}(A)) $?
5
Kuratowski closure-complement question involving unions and intersections
5
A question on the proof of 14 distinct sets can be formed by complementation and closure

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