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Questions

9
21
votes
3
answers
2k
views

Is “compact implies sequentially compact” consistent with ZF?

feb 19 at 8:41 sgarde 1

20
40
votes
2
answers
2k
views

Barrelled, bornological, ultrabornological, semi-reflexive, … how are these used?

oct 19 at 12:11 Peter Michor 5,5421118

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24
votes
6
answers
2k
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What does actually being a CW-complex provide in algebraic topology?

mar 21 12 at 18:17 Ronnie Brown 5,2871920

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34
votes
22
answers
6k
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How to respond to “I was never much good at maths at school.” [closed]

mar 7 12 at 13:50 Philip Brooker 8751513

10
21
votes
5
answers
4k
views

Linearity of the inner product using the parallelogram law

jan 8 12 at 6:01 prodicus 312

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5
votes
3
answers
621
views

Reference request: gluing manifolds along pieces of boundary

dec 8 11 at 15:03 Chris Schommer-Pries 10.2k11857

 
5
votes
1
answer
329
views

Is there a standard notation for a “shift space” in functional analysis?

nov 29 11 at 17:59 Bill Johnson 14.4k13360

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10
votes
3
answers
1k
views

What is an isomorphism of Banach spaces?

nov 10 11 at 18:51 Bill Johnson 14.4k13360

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39
votes
33
answers
3k
views

Dimension Leaps

aug 29 11 at 17:52 Simon Lyons 888615

20
29
votes
25
answers
5k
views

Theorems for nothing (and the proofs for free) [closed]

aug 26 11 at 7:57 Alon Amit 4,0251438

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