2 papers
math.NT2026
A problem of D. H. Lehmer in short intervals. I
Qixiang Shen
A problem of D. H. Lehmer suggests to study the number of integers, each of which has different parity from its multiplicative inverse modulo . We obtain an asymptotic formula f…
math.NT2026
A problem of D. H. Lehmer in short intervals. II
Qixiang Shen
A problem of D. H. Lehmer suggests to study the number of integers, each of which has different parity from its multiplicative inverse modulo . For large prime , we obtain an…