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Prime numbers, diophantine equations, diophantine approximations, analytic or algebraic number theory, arithmetic geometry, Galois theory, transcendental number theory, continued fractions

11 votes
1 answer
692 views

Existence of range of numbers containing a coprime to given n

I suspect the following statement is true and I can use it in my work if it is true. However I am not a number theorist and I could not prove it myself. I was wondering if this is known to number theo …
Mehdi Yazdi's user avatar
4 votes
1 answer
114 views

Smallest size of integral vector with certain inner product

Let $v =(r,s,t) \in \mathbb{N}^3$ be a vector such that $\gcd(r,s,t)=1$. We know that there are vectors $x= (x_1,x_2,x_3) \in \mathbb{Z}^3 $ such that $v.x =1$. For each $v$, let $O(v)$ be the smalles …
Mehdi Yazdi's user avatar
7 votes
1 answer
338 views

lower bound for Perron-Frobenius degree of a Perron number

A Perron number is an algebraic number which is greater than one in absolute value and is greater than all of its Galois conjugates in absolute value as well. Lind's theorem states that any Perron num …
Mehdi Yazdi's user avatar