2008

 

MR Pournaki, R Sobhani, Probability that the commutator of two group elements is equal to a given element, Journal of Pure and Applied Algebra 212 (4), 727-734.

 

2009
 

R Sobhani, M Esmaeili, A note on cyclic codes over GR (p^2, m) of length p^k, Finite Fields and Their Applications 15 (3), 387-391.

R Sobhani, M Esmaeili, Cyclic and negacyclic codes over the Galois ring GR (p^2, m), Discrete Applied Mathematics 157 (13), 2892-2903.

 
2010
 

R Sobhani, M Esmaeili, Some constacyclic and cyclic codes over F_q[u]/<u^{t+1}>, IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences 93 (4), 808-813.

 

2012

 

R Sobhani, Approach to the construction of regular low-density parity-check codes from group permutation matrices, IET communications 6 (12), 1750-1756.

 

2013

 

R Sobhani, M Molakarimi, Some results on cyclic codes over the ring R_{2, m}, Turkish Journal of Mathematics 37 (6), 1061-1074.
 
R Sobhani, Gray isometries for finite p-groups, Transactions on Combinatorics 2 (1), 17-26.
 
2014

R Sobhani, Generalised array low‐density parity‐check codes, IET Communications 8 (12), 2121-2130.

2015

R Sobhani, Complete classification of (δ+ αu2)-constacyclic codes of length pk over Fpm+ uFpm+ u2Fpm, Finite Fields and Their Applications 34, 123-138.

2016
 
R Sobhani, Matrix-product structure of repeated-root cyclic codes over finite fields, Finite Fields and Their Applications 39, 216-232.
 
2018

R Sobhani, Cyclic codes over a non-commutative finite chain ring, Cryptography and Communications 10 (3), 519-530.

HR Mahmoodi, R Sobhani, On some constacyclic codes over the ring F_{p^m}[u]/<u^4>, Discrete Mathematics 341 (11), 3106-3122.

2019

R Sobhani, A Abdollahi, J Bagherian, M Khatami, A note on good permutation codes from Reed–Solomon codes, Designs Codes and Cryptography 87 (10), 2335-2340.

2020

R SOBHANI, A NEW CONSTRUCTION METHOD FOR THE BINARY MINIMUM-LENGTH 4-CYCLE FREE CPM-BASED QC LDPC CODES BASED ON PERMUTATION ARRAYS AND DIFFERENCE SETS, Proceeding of the 4th Seminar on Information Theory and its Applications, 64.

2021

R Sobhani, Gray Images of Constacyclic Codes Over Some Polynomial Residue Rings, Mathematical Research 7 (1), 83-90.

2022

H Aghili, R Sobhani, Left dihedral codes over finite chain rings, Discrete Mathematics 345 (4), 112767.

A Abdollahi, J Bagherian, F Jafari, M Khatami, F Parvaresh, R Sobhani, New table of bounds on permutation codes under Kendall τ-metric, 2022 10th Iran Workshop on Communication and Information Theory (IWCIT), 1-3.
 
A Abdollahi, J Bagherian, M Khatami, Z Shahbazi, R Sobhani, A conjecture of Cameron and Kiyota on sharp characters with prescribed values, Communications in Algebra 50 (6), 2731-2739.
 

F Jafari, A Abdollahi, J Bagherian, M Khatami, R Sobhani, Equidistant permutation group codes, Designs, Codes and Cryptography 90 (12), 2841-2859.

A Abdollahi, J Bagherian, M Ebrahimi, FM Garmsiri, M Khatami, R Sobhani, Groups with sharp charachters of type {-1,1,3}, Bulletin of the Iranian Mathematical Society 48 (6), 3809-3821.

A Abdollahi, J Bagherian, M Ebrahimi, M Khatami, Z Shahbazi, R Sobhani, On sharp characters of type {− 1, 0, 2}, Czechoslovak Mathematical Journal 72 (4), 1081-1087.
 
2023

A Abdollahi, J Bagherian, M Ebrahimi, FM Garmsiri, M Khatami, R Sobhani, Groups with sharp non-linear irreducible characters, Communications in Algebra 51 (3), 1011-1019

A Abdollahi, J Bagherian, F Jafari, M Khatami, F Parvaresh, R Sobhani, New upper bounds on the size of permutation codes under Kendall -metric, Cryptography and Communications 15 (5), 891-903
 
2024

M Bajalan, E Martínez-Moro, R Sobhani, S Szabo, GG Yılmazgüç, On the structure of repeated-root polycyclic codes over local rings, Discrete Mathematics 347 (1), 113715

2025

EK Al-Lami, R Sobhani, A Abdollahi, J Bagherian, More on codes over finite quotients of polynomial rings, IEEE Access 13, 15339-15345

F Parvaresh, R Sobhani, A Abdollahi, J Bagherian, F Jafari, M Khatami, Improved bounds on the size of permutation codes under Kendall -metric, IEEE Transactions on Information Theory 71 (2025), 4156-4166
 

A Abdollahi, J Bagherian, F Jafari, M Khatami, F Parvaresh, R Sobhani, Upper bounds on the size of permutation codes with a Hamming distance of five, Cryptography and Communications 17 (4), 1075-1091

RT Shwayyea, J Bagherian, R Sobhani, A Abdollahi, A new lower bound for permutation codes using Reed-Solomon codes, IEEE Access  13, 159412-159421
 
2026
 
 

A Abdollahi, J Bagherian, H Eskandari, F Jafari, M Khatami, F Parvaresh, R Sobhani, The sequence reconstruction of permutations under hamming metric with small errors, Cryptography and Communications, https://doi.org/10.1007/s12095-026-00900-3

R Sobhani, F Parvaresh, A Abdollahi, F Abedi, J Bagherian, M Khatami, On enumerating feasible permutations for rank modulation codes in DNA storage via hyperplane arrangements, IEEE Transactions on Information Theory 72 (8), 5490-5500
 
M Amini, R Sobhani, J Bagherian, A Abdollahi, Complete classification of cyclic codes over a quotient of a skew polynomial ring with derivation, Applicable Algebra in Engineering, Communication and Computing, https://doi.org/10.1007/s00200-026-00752-7
 

A Abdollahi, J Bagherian, F Jafari, M Khatami, A Orak, F Parvaresh, R Sobhani, Rank-modulation codes for DNA storage in shotgun sequencing: Structure and distance properties, Discrete Mathematics 349 (11), 115253.

 
 
 
 
 
Preprints
 

R Sobhani, Z Sun, L Wang, S Zhu, A note on complete classification of (δ+ αu^2)-constacyclic codes of length p^ k over F_ {p^ m}+ u F_ {p^ m}+ u^ 2 F_ {p^ m}, arXiv preprint arXiv:1702.04694.

A Abdollahi, J Bagherian, F Jafari, M Khatami, Z Shokoohi, R Sobhani, Regular sets of circulant quartic graphs, arXiv preprint arXiv:2609.09414.