User mlk

45 votes

Why do we use trig functions in Fourier transforms, and not other periodic functions?

answered Apr 12, 2018 at 9:00

34 votes

How to create new mathematics?

answered May 9, 2017 at 21:16

28 votes

I don't understand Gödel's incompleteness theorem anymore

answered Jul 24, 2020 at 9:33

23 votes

Unsolved Problems due to Lack of Computational Power

answered Aug 17, 2019 at 7:47

17 votes

Accepted

Weaker Condition than Differentiability that Implies Continuity

answered Jun 13, 2014 at 19:15

12 votes

Accepted

If I call the Ackermann Function with Graham's number as both of its arguments will it be less than $g_{65}$

answered Jun 13, 2014 at 12:00

11 votes

Accepted

Density and dimensionality of zeros in inverse square force fields of randomly distributed sources in (at least) 1, 2 and 3 dimensions?

answered Jun 8, 2021 at 7:42

9 votes

Accepted

How to use Stokes theorem in the presence of holes?

answered Mar 1, 2018 at 17:53

7 votes

What is the name of this theorem of Jakob Steiner's, and why is it true?

answered Oct 24, 2017 at 8:16

7 votes

In stochastic calculus, why do we have $(dt)^2=0$ and other results?

answered Apr 25, 2017 at 15:28

7 votes

How to develop patience in mathematics?

answered Dec 15, 2020 at 9:53

6 votes

Why isn’t ‘because’ a logical connective in propositional logic?

answered Nov 11, 2018 at 20:32

6 votes

Is anyone talking about "ball bundles" of metric spaces?

answered Aug 21, 2015 at 20:58

5 votes

Question about the density of Q in R

answered Jun 11, 2014 at 18:30

5 votes

Accepted

How to prove continuity of the retraction map in proof of Brouwer's fixed point theorem?

answered Jun 5, 2014 at 17:50

5 votes

Does there exist a non-increasing sequence with these properties?

answered Jan 30, 2018 at 9:13

5 votes

Accepted

The Riemannian Distance function does not change if we use smooth paths?

answered Aug 16, 2015 at 18:24

5 votes

Accepted

Can I follow a graduate course in PDE without having studied ODE

answered Aug 31, 2015 at 8:36

5 votes

Polynomials of degree $\ge2$ whose images partition $\mathbb{N}$

answered Mar 23, 2018 at 18:51

4 votes

Do there exist inner product spaces for families of real valued functions other than weighted integrals?

answered Apr 17, 2020 at 11:30

4 votes

Solutions to Spring 2020 UCLA Analysis Qual Problem 1? Or: an identity implies function is odd

answered Oct 7, 2020 at 7:15

4 votes

Encyclopedia of Mathematics? (non-alphabetical)

answered Aug 31, 2015 at 9:22

4 votes

Why does $i^i$ equal more than one number?

answered Nov 30, 2017 at 14:28

3 votes

Accepted

The convolution of two compactly supported functions is also compactly supported

answered Feb 2, 2018 at 8:56

3 votes

Accepted

Does there exist a real differentiable function f with following properties simultaneously?

answered Sep 12, 2017 at 20:29

3 votes

How does Noether's theorem prove that laws of physics are invariant with regards to time?

answered Aug 21, 2017 at 14:19

3 votes

Accepted

Why the extension of distribution T in $(D(\Omega))^{'}$ to dual of sobolev space $W^{k,p}(\Omega)$ not unique?

answered Jun 12, 2017 at 13:51

3 votes

Accepted

A measure-theoretic characterization of the empty set?

answered Jun 6, 2014 at 14:44

3 votes

Classical examples of mathematical induction

answered Apr 4, 2018 at 12:38

3 votes

Accepted

Fixed Points of Self-Referential Function of Various Lengths

answered Sep 9, 2020 at 14:44

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85 Answers

Why do we use trig functions in Fourier transforms, and not other periodic functions?

How to create new mathematics?

I don't understand Gödel's incompleteness theorem anymore

Unsolved Problems due to Lack of Computational Power

Weaker Condition than Differentiability that Implies Continuity

If I call the Ackermann Function with Graham's number as both of its arguments will it be less than $g_{65}$

Density and dimensionality of zeros in inverse square force fields of randomly distributed sources in (at least) 1, 2 and 3 dimensions?

How to use Stokes theorem in the presence of holes?

What is the name of this theorem of Jakob Steiner's, and why is it true?

In stochastic calculus, why do we have $(dt)^2=0$ and other results?

How to develop patience in mathematics?

Why isn’t ‘because’ a logical connective in propositional logic?

Is anyone talking about "ball bundles" of metric spaces?

Question about the density of Q in R

How to prove continuity of the retraction map in proof of Brouwer's fixed point theorem?

Does there exist a non-increasing sequence with these properties?

The Riemannian Distance function does not change if we use smooth paths?

Can I follow a graduate course in PDE without having studied ODE

Polynomials of degree $\ge2$ whose images partition $\mathbb{N}$

Do there exist inner product spaces for families of real valued functions other than weighted integrals?

Solutions to Spring 2020 UCLA Analysis Qual Problem 1? Or: an identity implies function is odd

Encyclopedia of Mathematics? (non-alphabetical)

Why does $i^i$ equal more than one number?

The convolution of two compactly supported functions is also compactly supported

Does there exist a real differentiable function f with following properties simultaneously?

How does Noether's theorem prove that laws of physics are invariant with regards to time?

Why the extension of distribution T in $(D(\Omega))^{'}$ to dual of sobolev space $W^{k,p}(\Omega)$ not unique?

A measure-theoretic characterization of the empty set?

Classical examples of mathematical induction

Fixed Points of Self-Referential Function of Various Lengths