Henry Towsner

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Name Henry Towsner
Member for 2 years
Seen May 20 at 14:05
Website
Location UPenn
Age 31
Assistant Professor at UPenn.
9

Questions
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Dual of the Ultraproduct of a Banach Space

jan 26 11 at 20:34 Matthew Daws 5,529●1●8●29

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299
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(p,q) versus Glivenko-Cantelli

jun 19 at 16:59 domotorp 4,068●7●25

 
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258
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Reconstructing a model from its definable sets

sep 28 10 at 13:57 Andreas Blass 33k●4●55●110

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Symmetric Proof that Product is Well-Founded

nov 11 10 at 17:38 Joel David Hamkins 75.5k●8●189●347

 
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250
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Strength of Transfinite Induction on the Difference Hierarchy

nov 27 10 at 19:25 Henry Towsner 1,632●3●11

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201
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Measurability of sets of pairs

jan 12 11 at 4:34 Noah Stein 4,351●1●9●26

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363
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Compactness of the Unit Ball in a Superreflexive Space

feb 20 11 at 19:18 Bunyamin Sari 91●3

 
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341
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Jump Inversion of Arithmetic

may 18 11 at 12:46 Dave Marker 1,935●7●8

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144
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Small Configurations in Random Hypergraphs

oct 3 at 14:49 Henry Towsner 1,632●3●11

 

28

Answers
votes newest views recent
13
Is it possible for P(N) to be larger than Aleph_omega?
9
Does second-order arithmetic prove every expressible instance of Dependent Choice?
7
What notions are used but not clearly defined in modern mathematics?
7
Admissible ordinal beyond $\omega_{1}^{ck} .$
7
AC and Euclidean Geometry
6
Applications of nonconstructive mathematics
6
Difference between turnstile and implication
6
logics restricted in arithmetic hierarchy
5
Compactness theorem with preserved substructure
5
Modal logic - satisfiability
5
A few questions about Computational Problems Complexity Classification
5
Why is “P vs. NP” necessarily relevant?
5
Applications of idempotent ultrafilters
5
What ordinals are definable relations in Peano Arithmetic?
5
Understanding the nature and structure of proofs; Reverse Mathematics and Proof Theory. Prerequisites? Good introductory texts?
4
Interpretation of the Second Incompleteness Theorem
2
What is the depth of the “provability heirarchy”?
2
Winning strategy at chomp (a chocolate bar game)?
2
Strength of Transfinite Induction on the Difference Hierarchy
2
Are the Millennium Prize Problems all decidable?
2
higher fourier analysis: splitting periodic parts and ‘nilsequence’ noise ?
2
Question of combinatorics in the lower part of the Borel hierarchy.
2
How do quantifiers limit scope?
2
Stronger theorem not resulting from proof analysis
1
eigenfunctions -> characteristic factors
1
Best way to present (or avoid) a tedious epsilon argument in a paper
1
Examples of transformations which are weak-mixing but not strong-mixing
0
What is the correct notation/terminology for the “corestriction” of a function?

 

133

Votes
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1

 

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