Ad­vanced Sem­in­ar "Num­ber The­ory and Arith­met­ic­al Stat­ist­ics"

Sum­mer 2026

Location: D 2 314                   Time: 14:00 - 15:30

The seminar will take place regularly on wednesdays from April 22th, 2026.

Fran­cisco Araújo (Pader­born), Dens­ity of R-free sets

Location: D2 314
Organizer: Prof. Dr. Jürgen Klüners

Title: Density of R-free sets
 

Abstract: We will discuss a number of new results about the density of certain translates in R-free numbers. We present a solution to Problem 486 in the Erdős' Problems website, and a partial resolution of Problem 25. We will also discuss a new result from van Doorn and Tao.

Fran­cisco Araújo (Pader­born), Dens­ity of R-free sets

Location: D2 314
Organizer: Prof. Dr. Jürgen Klüners

Title: Density of R-free sets
 

Abstract: We will discuss a number of new results about the density of certain translates in R-free numbers. We present a solution to Problem 486 in the Erdős' Problems website, and a partial resolution of Problem 25. We will also discuss a new result from van Doorn and Tao.

Fran­cisco Araújo (Pader­born), Dens­ity of R-free sets

Location: D2 314
Organizer: Prof. Dr. Jürgen Klüners

Title: Density of R-free sets
 

Abstract: We will discuss a number of new results about the density of certain translates in R-free numbers. We present a solution to Problem 486 in the Erdős' Problems website, and a partial resolution of Problem 25. We will also discuss a new result from van Doorn and Tao.

Fran­cisco Araújo (Pader­born), Dens­ity of R-free sets

Location: D2 314
Organizer: Prof. Dr. Jürgen Klüners

Title: Density of R-free sets
 

Abstract: We will discuss a number of new results about the density of certain translates in R-free numbers. We present a solution to Problem 486 in the Erdős' Problems website, and a partial resolution of Problem 25. We will also discuss a new result from van Doorn and Tao.

Fran­cisco Araújo (Pader­born), Dens­ity of R-free sets

Location: D2 314
Organizer: Prof. Dr. Jürgen Klüners

Title: Density of R-free sets
 

Abstract: We will discuss a number of new results about the density of certain translates in R-free numbers. We present a solution to Problem 486 in the Erdős' Problems website, and a partial resolution of Problem 25. We will also discuss a new result from van Doorn and Tao.

Fran­cisco Araújo (Pader­born), Dens­ity of R-free sets

Location: D2 314
Organizer: Prof. Dr. Jürgen Klüners

Title: Density of R-free sets
 

Abstract: We will discuss a number of new results about the density of certain translates in R-free numbers. We present a solution to Problem 486 in the Erdős' Problems website, and a partial resolution of Problem 25. We will also discuss a new result from van Doorn and Tao.