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Derek H.'s user avatar
Derek H.'s user avatar
Derek H.'s user avatar
Derek H.
  • Member for 7 years, 1 month
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4
A more straightforward proof of "Urysohn's Lemma" (Theorem 2.12) as it is presented in Rudin's Real and Complex Analysis.
Dec 22, 2023
3
Non-standard proof that every $f\in L^1(\mathbb{R}^k)$ has Lebesgue points almost everywhere
Apr 10, 2022
2
Does there exist an infinite $\sigma-$algebra which has only countably many members?
Feb 13, 2021
2
Rudin RCA Problem 4.12 (Hint Request)
Feb 5, 2022
2
Help With Showing Local Integrability of Inverse Fourier Transform (Quantum Theory for Mathematicians Chapter 4 Problem 1 Part b)
Mar 20
2
Validating a function that only measure a subset of the measurable sapce being measurable
Nov 30, 2023
1
Will the upper bound $b=2$ work in a simplicial proof of Brouwer's Fixed Point Theorem, Hurewicz' and Wallman's "Dimension Theory"?
May 18, 2023
1
Possible Minor Error in Rudin's Real and Complex Analysis?
Jul 21, 2023
1
Question about proof of a covering lemma for compact metric spaces
Aug 3, 2023
1
Showing a set is Borel and a function is Borel measurable.
Feb 14, 2021