3 papers
cs.IT2024
Improved bounds on the size of permutation codes under Kendall -metric
Farzad Parvaresh, Reza Sobhani, Alireza Abdollahi +3
In order to overcome the challenges caused by flash memories and also to protect against errors related to reading information stored in DNA molecules in the shotgun sequencing met…
math.CO2022
The generalized X-join of Cayley graphs
Allen Herman, Javad Bagherian, Hanieh Memarzadeh
As a main result of this paper we give conditions under which the generalized -join of Cayley graphs is a Cayley graph. In particular, we show that -join of isomorphic Cayley…
math.RT2020
A conjecture of Cameron and Kiyota on sharp characters with prescribed values
A. Abdollahi, J. Bagherian, M. Khatami +2
Let be a virtual (generalized) character of a finite group and be the image of on . The pair is said to be sharp of type…