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Julian Newman's user avatar
Julian Newman's user avatar
Julian Newman's user avatar
Julian Newman
  • Member for 13 years, 1 month
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  • London, UK
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47
What is the most "concrete-feeling" equivalent formulation of the Continuum Hypothesis that you can think of?
Nov 25, 2023
16
Is it consistent with ZFC that the real line is approachable by sets with no accumulation points?
Jun 27
15
Is "conditioning to a sub-$\sigma$-algebra" a measurable operation?
Feb 21, 2017
15
Is the topology generated by this weaker notion of a metric necessarily metrisable?
Feb 6, 2023
11
Some "axiom of choice" and "dependent choice" issues
Sep 21, 2015
10
Can Birkhoff's ergodic theorem for integrable functions easily be deduced from Birkhoff's ergodic theorem for bounded functions?
Oct 21, 2021
10
Is this Riccati equation ("Josephson junction") always phase-locked at integer rotation numbers?
Nov 19, 2017
10
Birkhoff Ergodic Theorem and Ergodic Decomposition Theorem for Continuous-Time Markov Processes
Aug 16, 2014
9
Is the inverse of a measurably parametrised family of bijections between standard Borel spaces measurably parametrised?
Oct 15, 2019
9
Do the Lebesgue-null sets cover "all the sets can naturally be regarded as sort-of-null sets"?
Jun 20, 2017
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24
In Early Modern English, are there examples of the "a- + gerund" progressive construction where the gerund begins with a vowel?
23
Measurability with respect to equivalent sub-$\sigma$-algebras for mappings into countably generated spaces
19
Is there a set $A \subset [0,1]$ such that both $A$ and $[0,1] \setminus A$ intersect every positive-measure set?
11
In Reformed theology, what exactly does the doctrine of "limited atonement" actually assert?
9
Is the union of an increasing sequence of topological copies of $\mathbb{R}^n$ homeomorphic to $\mathbb{R}^n$?