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42 votes
9 answers
5k views

The sets in mathematical logic

7 votes
3 answers
3k views

terminology about ring/algebra in abstract algebra and measure theory

5 votes
7 answers
6k views

Ask for recommendations for textbook on mathematical logic

3 votes
2 answers
2k views

questions from Halmos' "Measure Theory"

2 votes
2 answers
629 views

equivalence of 1-norm and relative entropy?

2 votes
2 answers
735 views

A question about the size of a L1 ball

2 votes
2 answers
4k views

what is the associated Borel set of a Borel measurable function on the extended real line?

2 votes
2 answers
3k views

A question on the cardinality of sigma-algebra generated by aleph_0 or aleph_1 class

1 vote
1 answer
510 views

A question in a proof on approximating n-dimensional Lebesgue measurable set by open set

1 vote
1 answer
1k views

A question about sigma-ring

1 vote
2 answers
241 views

what method can I employ to solve this optimization problem which involves \min?

0 votes
2 answers
233 views

disjointlize an arbitrary sequence in a ring?

0 votes
2 answers
1k views

Is total variation continuous?

0 votes
1 answer
1k views

A question about regular signed or complex Borel measure under LRN decomposition

-3 votes
1 answer
540 views

A problem regarding definition of p-norm [closed]