23

Questions

6
17
votes
6
answers
6k
views

How large is TREE(3) ?

sep 27 at 11:46 Giga Gerard 11

2
12
votes
1
answer
592
views

Differential equations and axiom of choice

jan 23 at 14:36 Pietro Majer 19.7k12469

2
11
votes
1
answer
489
views

Integration in the surreal numbers

dec 27 at 19:00 John 111

1
8
votes
2
answers
413
views

A characterisation of well-ordering ?

aug 15 11 at 22:39 Gerry Myerson 15.7k14787

2
8
votes
1
answer
319
views

Fast-growing hierarchy and Turing machines

aug 13 at 7:10 none 211

1
7
votes
1
answer
454
views

Topologies on the field of rationals

sep 6 at 14:06 BS 5,31311225

1
7
votes
2
answers
298
views

Is Monsky’s theorem depending on axiom of choice ?

sep 12 at 21:21 Igor Rivin 31.2k33771

2
7
votes
1
answer
438
views

Tarski monster groups : which ones dont exist ?

oct 23 at 12:07 Mark Sapir 27.7k257118

2
6
votes
5
answers
510
views

Positive results coming from paradoxes

dec 16 at 6:24 Gil Kalai 10.7k680144

1
6
votes
1
answer
581
views

Disconnecting sets

aug 25 11 at 18:55 Feldmann Denis 1,768215

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