Frether Getachew

An involution on derangements preserving excedances and right-to-left minima

Per Alexandersson, Frether Getachew, 2021 .

Pattern-avoidance and Fuss-Catalan numbers

Per Alexandersson, Dun Qiu, Samuel Asefa Fufa, 2022 .

Objects Counted by Central Delannoy Numbers

Frether Getachew, Frether Getachew, 2013 .