diophantine approximation 1exact approximation 1hall's theorem 1rational approximation 1real numbers 1
From the 1 of 2 linked papers with an AI index.
2 papers
math.NT2026
A note on exact approximations
Dmitry Gayfulin, Sergei Pitcyn
The paper proves a simple result, using Hall's theorem, about real numbers that can be exactly approximated by rational numbers.
math.NT2025
A note on general isolation result in Diophantine Approximation
Sergei Pitcyn, Nikolay Moshchevitin
In the present paper we give very simple general statements which deal with approximation of a real number by rationals and are related to isolation phenomenon. In particular we st…