User Rajesh D

1 vote

Is this statement which relates the Fourier transform of a function to its singularities correct?

answered Jul 11, 2014 at 15:43

1 vote

What's the relationship between the roots of a function and that of a filtered Fourier series representation?

answered Feb 20, 2016 at 3:14

1 vote

A problem on real valued functions in $\mathbb{R}^2$ with least variation

answered Feb 23, 2016 at 8:21

1 vote

What is the mathematics behind the random experiment which produces the data with this strange property?

answered Jun 23, 2016 at 5:59

1 vote

The $2\pi$ in the definition of the Fourier transform

answered Mar 31, 2017 at 10:36

1 vote

First eigenfunction of $p=3$-Laplacian of a square domain in $\Bbb R^2$ : reference for any work on this?

answered Sep 2, 2017 at 2:23

1 vote

Asymptotic expansion involving a matrix equation

answered Jul 19, 2020 at 6:23

1 vote

Unboundedness of the Sobolev norm of a sequence : Does it follow from Sobolev embedding?

answered Oct 21, 2018 at 13:58

0 votes

Research topics restricted to students at top universities?

answered Dec 2, 2018 at 3:10

0 votes

Accepted

Bounding the smallest eigenvalue of a matrix generated by a positive definite function

answered Jul 20, 2020 at 12:29

0 votes

Band limited initial data : regularity for Navier–Stokes equation defined on a torus $\mathbb{T}^m$

answered Oct 1, 2020 at 6:59

0 votes

A Question in Fourier Analysis proposing a conjecture

answered Sep 18 at 7:41

-1 votes

A property of a nonlinear ODE under periodic boundary conditions

answered Sep 20, 2017 at 3:02

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13 Answers

Is this statement which relates the Fourier transform of a function to its singularities correct?

What's the relationship between the roots of a function and that of a filtered Fourier series representation?

A problem on real valued functions in $\mathbb{R}^2$ with least variation

What is the mathematics behind the random experiment which produces the data with this strange property?

The $2\pi$ in the definition of the Fourier transform

First eigenfunction of $p=3$-Laplacian of a square domain in $\Bbb R^2$ : reference for any work on this?

Asymptotic expansion involving a matrix equation

Unboundedness of the Sobolev norm of a sequence : Does it follow from Sobolev embedding?

Research topics restricted to students at top universities?

Bounding the smallest eigenvalue of a matrix generated by a positive definite function

Band limited initial data : regularity for Navier–Stokes equation defined on a torus $\mathbb{T}^m$

A Question in Fourier Analysis proposing a conjecture

A property of a nonlinear ODE under periodic boundary conditions