Mathematics
Robert Furber's user avatar
Robert Furber's user avatar
Robert Furber's user avatar
Robert Furber
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Score Newest
answer
16
Sequence with convergent subnets but no convergent subsequences
Jan 3, 2020
answer
15
Spectrum vs eigenvalues
Jul 13, 2019
answer
10
Can this complete metric space be a Banach space?
May 27, 2020
answer
6
Are there any nontrivial examples of contradictions arising in non-foundational or applied math due to naive set theory?
May 11, 2015
answer
6
A rearrangement of a conditionally convergent series is seldom convergent
May 25, 2022
answer
5
Can anyone please help me to understand what does "well-defined" mean in the definition of Set?
Jun 13, 2020
answer
4
Prove that the Pontryagin dual of a locally compact abelian group is also a locally compact abelian group.
Oct 15, 2014
answer
4
Is every quotient algebra of a Boolean algebra isomorphic to a subalgebra?
Sep 4, 2019
answer
4
Doubt about Taylor series: do successive derivatives on a point determine the whole function?
Nov 15, 2019
answer
3
Weak topology and strong topology in a Banach space.
Feb 3, 2016
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19
Nonequivalent definitions in Mathematics
14
A topological vector space $X$ is separable if its dual space $X^*$ is separable?
13
Is there a measure on $[0,1]$ that is 0 on meagre sets and 1 on co-meagre sets
12
Unconditionally convergent series in some functional spaces
12
Is there a connection between representation theory and PDEs?

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