10

Questions
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9
26
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1
answer
855
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Every real function has a dense set on which its restriction is continuous

aug 13 11 at 0:13 Samuele 540●2●9

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17
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1
answer
615
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Looking for a copy of Leo Harrington’s unpublished notes on the first nonprojectible ordinal

mar 27 at 12:29 Theodore Slaman 331●2●3

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12
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1
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402
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Does Taranovsky’s system of ordinal notations make sense?

jan 14 at 15:41 Timothy Chow 14.6k●1●68●138

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10
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2
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515
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Constructing the surreal numbers as iterated Hahn series

may 25 at 1:54 Spice the Bird 940●3●14

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9
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0
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190
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Various definitions of recursion from ordinal machines

oct 5 at 19:19 Gro-Tsen 928●3●13

 
5
votes
1
answer
150
views

Arithmetic strength of Peano + the Howard ordinal

dec 8 at 18:55 Ulrik Buchholtz 499●1●4

 
3
votes
1
answer
122
views

Various notions of Turing reduction for partial functions

nov 17 at 1:31 Dan Turetsky 56●2

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3
votes
2
answers
232
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Explicit equation of Dickson invariant / quasideterminant / special orthogonal group over the integers

mar 19 at 14:13 Olivier Benoist 2,716●10●18

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2
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0
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189
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Maximal domain of holomorphy of a series

aug 10 11 at 15:02 Gro-Tsen 928●3●13

 
2
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2
answers
282
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Does the Fourier series of an $L^1$ function converge to the function *weakly* in $L^1$?

oct 29 at 14:16 Bill Johnson 14.4k●1●33●60