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A Mathematics enthusiast.

My newly started blog, a random collection of info/views on science and technology.

http://rajeshd007.wordpress.com/


2d
asked A question on relating function on $N$-Sphere with a function on $\mathbb{R}^{N-1}$
2d
comment A question on the rectangular region defined for a vector in $\mathbb{R}^N$
How can we relate it to the given vector. Can we call an orthotopr of a vector $K$?
2d
revised A question on the rectangular region defined for a vector in $\mathbb{R}^N$
tags
2d
asked A question on the rectangular region defined for a vector in $\mathbb{R}^N$
Aug
3
comment Is there a bounded function discontinuous on a countable dense subset
@Did countable set of points of discontinuity
Aug
3
comment Is there a bounded function discontinuous on a countable dense subset
It needs to be integrable, Riemann or Lebesgue.
Aug
3
comment Is there a bounded function discontinuous on a countable dense subset
Is it Riemann integrable? if not, then atleast lebesgue integrable?
Aug
3
comment Is there a bounded function discontinuous on a countable dense subset
Forgot to include another condition in the question : Is it Riemann integrable? if not, then atleast lebesgue integrable?
Aug
3
comment Is there a bounded function discontinuous on a countable dense subset
thanks @user72694
Aug
3
asked Is there a bounded function discontinuous on a countable dense subset
Jul
21
comment Question on Moment of inertia about center of mass of a smooth plane curve.
@Winther : Agree it seems obvious, but I do need the "make the argument precice enough" with mathematically complete proof. I am not only interested in the result but also the way we prove it here, as I want to do more with... If its so obvious I still not able to prove it and that puzzles me!
Jul
16
awarded  Notable Question
Jul
12
comment Question on Moment of inertia about center of mass of a smooth plane curve.
@ja72 : I have added a detail that how curve $C$ is asymptotic to a straight line $(a,s)$ in arc length parametrization, where $a$ is a fixed constant.
Jul
12
revised Question on Moment of inertia about center of mass of a smooth plane curve.
added 64 characters in body
Jul
12
comment Question on Moment of inertia about center of mass of a smooth plane curve.
$s\to\infty$ means both are of infinite length.
Jul
12
comment Question on Moment of inertia about center of mass of a smooth plane curve.
@ja72 : Both curves are of infinite length. Thats what i mean by asymptotic and approaching as $s\to\infty$
Jul
12
revised Question on Moment of inertia about center of mass of a smooth plane curve.
added clarity
Jul
12
comment Question on Moment of inertia about center of mass of a smooth plane curve.
@ja72 : I dont understand why you are goint to two dimensions, the curve is just a uniform string. There is no question of area here.
Jul
12
comment Question on Moment of inertia about center of mass of a smooth plane curve.
@ja72 : dont change question for sake of units. This inst physics, just math definitions. In any case for physical meaning, the curve is of uniform linear mass density equal to 1.
Jul
12
revised Question on Moment of inertia about center of mass of a smooth plane curve.
added 28 characters in body