# Welcome to GanitCharcha's Publication House

## Latest Publication ## Montgomery Modular Multiplication

Many cryptographic algorithms like RSA, Diffie-Hellman key exchange are based on arithmetic operations modulo a large number. These algorithms require to do... ## A Population Growth Model Including Hermaphrodites

1. Introduction: Biomathematics or mathematical biosciences are concerned with the applications of mathematical techniques to get an insight into the problems... ## Discussion of Total Variation Minimization Norm for Image Denoising

Abstract: Image denoising is among the most fundamental problems in image processing. A large range of methods covering various fields of mathematics are... ## Mathematics Behind Google Search Engine - A Brief Note

In September $1998$, Google went online and immediately after, it became clear that in comparison to other search engines Google delivered much relevant or... ## A Note on Unit Fractions and its Representations as Sum of Unit Fractions

A rational number or a fraction where the numerator is $1$ and the denominator is any positive integer $n,$ is called a unit fraction and is denoted as... ## Π Day @ 2015 - once in a century ## National Mathematics Day of India - 22nd December ## A Few Interesting Problems on Divisors Counting

We will start this topic with the statement of Fundamental Theorem of Arithmetic.Fundamental Theorem of Arithmetic: Every positive integer $n > 1$ can be... ## Selected Problems on Inequality - Part I

Problem 1: If $a$, $b$ and $c$ are three positivie numbers then, \frac{b^2 + c^2}{b + c} + \frac{c^2 + a^2}{c + a} + \frac{a^2 + b^2}{a + b} \geq a + b +... ## A Note on Factorial and it's Trailing Zeros

DefinitionFor any positive integer $n (>0)$ the factorial of $n$, denoted as $n!$, is defined as\begin{align}n! =...