3 papers
math.NT2025
Fibonacci sequences in
Menny Aka
We prove a conjecture due to Gica (Fibonacci Quarterly, 2008). Our proof is simple, uses only elementary abstract algebra, and generalizes to other recursive sequences.
math.DS2022
Joinings classification and applications [after Einsiedler and Lindenstruass]
Menny Aka
This is the text accompanying my Bourbaki seminar on the work of Einsiedler and Lindenstrauss on joinings. The first five sections surveys their proof of the classification of join…
math.GR2012
Homogeneous number of free generators
Menny Aka, Tsachik Gelander, Gregory A. Soifer
We address two questions of Simon Thomas. First, we show that for any n>2 one can find a four generated free subgroup of SLn(Z) which is profinitely dense. More generally, we show…