Acta Math. Acad. Paed. Nyíregyháziensis
15 (1999), 19-26
We show that the smallest denominator function can be treated with a minimum amount of number theory. Moreover, this function can be used to nicely prove a number of fundamental divisibility and irrationality results.
Mathematics Subject Classification. 11A99.
Key words and phrases. The smallest denominator function, divisibility and irrationality.