10

Questions

2
17
votes
1
answer
615
views

Looking for a copy of Leo Harrington’s unpublished notes on the first nonprojectible ordinal

mar 27 at 12:29 Theodore Slaman 33123

2
12
votes
1
answer
401
views

Does Taranovsky’s system of ordinal notations make sense?

jan 14 at 15:41 Timothy Chow 14.4k168137

 
5
votes
1
answer
149
views

Arithmetic strength of Peano + the Howard ordinal

dec 8 at 18:55 Ulrik Buchholtz 49914

2
3
votes
2
answers
231
views

Explicit equation of Dickson invariant / quasideterminant / special orthogonal group over the integers

mar 19 at 14:13 Olivier Benoist 2,7081018

 
3
votes
1
answer
122
views

Various notions of Turing reduction for partial functions

nov 17 at 1:31 Dan Turetsky 562

 
2
votes
2
answers
282
views

Does the Fourier series of an $L^1$ function converge to the function *weakly* in $L^1$?

oct 29 at 14:16 Bill Johnson 14.4k13360

2
9
votes
0
answers
188
views

Various definitions of recursion from ordinal machines

oct 5 at 19:19 Gro-Tsen 928313

1
10
votes
2
answers
514
views

Constructing the surreal numbers as iterated Hahn series

may 25 at 1:54 Spice the Bird 940314

9
26
votes
1
answer
853
views

Every real function has a dense set on which its restriction is continuous

aug 13 11 at 0:13 Samuele 54029

1
2
votes
0
answers
189
views

Maximal domain of holomorphy of a series

aug 10 11 at 15:02 Gro-Tsen 928313