2 papers
math.CO2022
Combinatorial Properties of primitive words with Non-primitive Product
Othman Echi, Adel Khalfallah, Dhaker Kroumi
Let be an alphabet of size . In this paper, we give a complete description of primitive words over an alphabet of size such t…
cs.IT2012
On the minimality of Hamming compatible metrics
Parsa Bakhtary, Othman Echi
A Hamming compatible metric is an integer-valued metric on the words of a finite alphabet which agrees with the usual Hamming distance for words of equal length. We define a new Ha…