Rajesh D's user avatar
Rajesh D's user avatar
Rajesh D's user avatar
Rajesh D
  • Member for 13 years, 4 months
  • Last seen more than a week ago
  • Hyderabad, India
55 votes
2 answers
9k views

Mathematical explanation behind a picture posted (lifted from facebook)

19 votes
2 answers
1k views

open conjectures in real analysis targeting real valued functions of a single real variable

19 votes
5 answers
22k views

Can a Dirac delta function be a probability density function of a random variable?

19 votes
4 answers
8k views

How to propose a conjecture

13 votes
1 answer
363 views

A Question on certain Hilbert space of continuous functions, and a characteristic of convergence in it

12 votes
2 answers
14k views

Are the smooth functions dense in either $\mathcal L_2$ or $\mathcal L_1$?

12 votes
5 answers
1k views

When is the moment of inertia of a smooth plane curve is maximum?

12 votes
2 answers
774 views

A minimization problem in function fitting setup

11 votes
4 answers
31k views

What is the product of a Dirac delta function with itself? [closed]

11 votes
3 answers
5k views

Differentiability and decay of magnitude of fourier series coefficients

11 votes
3 answers
2k views

What is the difference between a Germ and a 1-form

10 votes
4 answers
5k views

What is the intuitive meaning of the dual space of a tangent space?

10 votes
1 answer
6k views

Derivative commuting over integral

10 votes
1 answer
5k views

Link between a Dense subset and a Continuous mapping

9 votes
4 answers
4k views

help in understanding tangent vectors

9 votes
2 answers
269 views

What do you call this property involving a function between two complete metric spaces?

8 votes
1 answer
4k views

What is the significance of the derivative of a probability density function of a continuous random variable?

8 votes
2 answers
7k views

What are the conditions for existence of the Fourier series expansion of a function $f\colon\mathbb{R}\to\mathbb{R}$

8 votes
3 answers
14k views

an example of a continuous function whose Fourier series diverges at a dense set of points

8 votes
1 answer
1k views

Is this class of periodic functions closed under the (circular) convolution operation ? Help in proving.

7 votes
2 answers
2k views

Do all analytic and $2\pi$ periodic functions have a finite Fourier series?

7 votes
1 answer
531 views

A maximization problem in functional analysis and data

6 votes
3 answers
235 views

How would the double derivative of $f:\mathbb{R}^N \to \mathbb{R}^M$ i.e., $f''$ look like?

6 votes
2 answers
895 views

Does $\mathcal{L}^2(\mathbb{R})$ form a metric space with this distance/similarity measure?

6 votes
3 answers
2k views

what is the cardinality of set of all smooth functions in $L^1$?

5 votes
1 answer
774 views

Let $f$ be a continuous but nowhere differentiable function. Is $f$ convolved with mollifier, a smooth function?

5 votes
1 answer
189 views

a question on summation expansion

5 votes
1 answer
621 views

A question on sequence of functions that diverges everywhere

5 votes
1 answer
165 views

evaluate an expression which is the arithmetic mean of first $N$ partial sums of a geometric progression

5 votes
1 answer
123 views

An integro differential equation involving $f$,$f_h$ and second derivative of $f$.

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