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We saw the explicit expression for the expected distance from a random point inside a rectangle to an edge of the rectangle in the previou...

Hi All... Recently I thought of a problem and tried to solve it. To my surprise, I ended up with a closed form solution for the same which ...

We saw how to do Dirichlet Series multiplication in the previous post. This post is about dividing two Dirichlet series. Using pretty ...

It is well known that polynomial multiplication can be much more efficiently using Fast Fourier Transform. I was searching for similar ...

This post continues the discussion we had in my previous post . I discussed only $k=0$ case before dismissing the others as uninteres...

Oh... I didn't realize I'vnt posted anything this year. Anyway, here's my first post of the year - my thoughts on the Divis...

A positive integer is squarefree if and only if it is not divisible by any perfect square other than 1. That makes them interesting. This ...