User Dave L. Renfro - Mathematics Stack Exchange

294 votes

Accepted

How discontinuous can a derivative be?

answered Feb 22, 2012 at 19:02

57 votes

Accepted

High-level linear algebra book

answered Jul 1, 2013 at 20:05

46 votes

How to integrate $ \int \frac{x}{\sqrt{x^4+10x^2-96x-71}}dx$?

answered Apr 12, 2018 at 17:17

44 votes

How to show this formula to get a square root of a number in "just few seconds" is true?

answered Jun 23, 2016 at 17:11

44 votes

Is every Lebesgue measurable function on $\mathbb{R}$ the pointwise limit of continuous functions?

answered Sep 1, 2011 at 22:12

41 votes

How do I convince someone that $1+1=2$ may not necessarily be true?

answered Nov 28, 2012 at 18:56

41 votes

How many times do you have to use L'Hôpital's rule?

answered Nov 10, 2017 at 14:31

37 votes

Accepted

Visualizing the factorial

answered Aug 3, 2015 at 17:52

36 votes

How to integrate $ \int \frac{x}{\sqrt{x^4+10x^2-96x-71}}dx$?

answered Apr 29, 2018 at 15:12

34 votes

"Area" of the topologist's sine curve

answered Mar 10, 2015 at 20:41

29 votes

Construction of a Borel set with positive but not full measure in each interval

answered Aug 14, 2011 at 14:51

27 votes

Functions that take rationals to rationals

answered Jul 6, 2012 at 21:54

27 votes

What is the smallest constant that has explicitly appeared in a published paper?

answered Jan 11, 2012 at 17:43

26 votes

Accepted

Set of continuity points of a real function

answered Sep 27, 2011 at 19:35

25 votes

Accepted

Irrationality of $\pi^2$ and $\pi^3$

answered Dec 29, 2017 at 23:44

22 votes

Groups of real numbers

answered Aug 30, 2011 at 18:23

21 votes

Where to begin with foundations of mathematics

answered May 4, 2012 at 22:17

21 votes

Is this function nowhere analytic?

answered Aug 2, 2016 at 19:01

20 votes

Computing the primitive $\int\frac{1}{1+x^n} dx$

answered May 1, 2014 at 21:12

19 votes

Does $\lim_{h\rightarrow 0}\ [f(x+h)-f(x-h)]=0$ imply that $f$ is continuous?

answered Jul 2, 2012 at 20:26

19 votes

Good book for self study of a First Course in Real Analysis

answered Sep 6, 2011 at 15:48

18 votes

Accepted

Characterization of sets of differentiability

answered Aug 21, 2014 at 21:05

18 votes

Books for inequality proofs

answered Sep 4, 2014 at 20:42

17 votes

Accepted

Confusion Regarding Munkres's Definition of Basis for a Topology

answered Jul 7, 2016 at 14:52

17 votes

Accepted

Do any proofs/properties rely on the distinction between some uncountable size and a larger uncountable size, in order for the proof/property to hold?

answered May 12, 2020 at 19:01

17 votes

Accepted

What is a continuous extension?

answered Nov 5, 2013 at 20:31

16 votes

Is number rational?

answered May 2, 2014 at 20:09

16 votes

Accepted

"Strong" derivative of a monotone function

answered Nov 23, 2011 at 23:49

16 votes

Accepted

Generic Elements of a Set.

answered Jan 6, 2012 at 16:14

16 votes

Is saying a set is nowhere dense the same as saying a set has no interior?

answered Aug 8, 2016 at 20:27

Stack Exchange Network

623 Answers

How discontinuous can a derivative be?

High-level linear algebra book

How to integrate $ \int \frac{x}{\sqrt{x^4+10x^2-96x-71}}dx$?

How to show this formula to get a square root of a number in "just few seconds" is true?

Is every Lebesgue measurable function on $\mathbb{R}$ the pointwise limit of continuous functions?

How do I convince someone that $1+1=2$ may not necessarily be true?

How many times do you have to use L'Hôpital's rule?

Visualizing the factorial

How to integrate $ \int \frac{x}{\sqrt{x^4+10x^2-96x-71}}dx$?

"Area" of the topologist's sine curve

Construction of a Borel set with positive but not full measure in each interval

Functions that take rationals to rationals

What is the smallest constant that has explicitly appeared in a published paper?

Set of continuity points of a real function

Irrationality of $\pi^2$ and $\pi^3$

Groups of real numbers

Where to begin with foundations of mathematics

Is this function nowhere analytic?

Computing the primitive $\int\frac{1}{1+x^n} dx$

Does $\lim_{h\rightarrow 0}\ [f(x+h)-f(x-h)]=0$ imply that $f$ is continuous?

Good book for self study of a First Course in Real Analysis

Characterization of sets of differentiability

Books for inequality proofs

Confusion Regarding Munkres's Definition of Basis for a Topology

Do any proofs/properties rely on the distinction between some uncountable size and a larger uncountable size, in order for the proof/property to hold?

What is a continuous extension?

Is number rational?

"Strong" derivative of a monotone function

Generic Elements of a Set.

Is saying a set is nowhere dense the same as saying a set has no interior?