3 papers
math.NT2026
Jacobian graphs
Arthur Forey, Javier Fresán, Emmanuel Kowalski +1
We introduce jacobian graphs, which are explicit families of regular graphs that are spectrally indistinguishable from random graphs, but whose local structure is very different fr…
math.NT2026
Toroidal families and averages of -functions, II: cubic moments
Ãtienne Fouvry, Emmanuel Kowalski, Philippe Michel +1
Generalizing our previous work on ``toroidal averages'', we study the average of special values of -functions of the form for integers , $…
math.NT2025
Rational approximation with chosen numerators
Manuel Hauke, Emmanuel Kowalski
We consider the problem of approaching real numbers with rational numbers with prime denominator and with a single numerator allowed for each denominator. We obtain basic results,…