| 1 | دو برهان از آذرخور اشتاذ گشنسپ | رضا کهکشانی | ریاضی و جامعه | 2024-08-06 |
| 2 | Some Codes and Designs invariant under the groups $S_7$ and $S_8$ | رضا کهکشانی | Journal of Mahani Mathematical Research | 2023-10-25 |
| 3 | 1-Designs Constructed from the Groups $PSL_2(81)$ and $PSL_2(89)$ | R. Kahkeshani | Journal of Mahani Mathematical Research | 2022-01-22 |
| 4 | Ternary codes from primitive representations of the group $PSL_2(9)$ and a new 2-(15,7,36) design | M. R. Darafsheh, R. Kahkeshani | Journal of the Indian Mathematical Society | 2022-01-01 |
| 5 | On the generating function and minimum free distance for a class of convolutional codes | R. Kahkeshani | Karafan | 2021-09-03 |
| 6 | Quaternary codes and a class of 2-designs invariant under the group $A_8$ | R. Kahkeshani | Algebraic structures and their applications | 2021-08-22 |
| 7 | On the Entropy Rate of a Random Walk on $t$-Designs | R. Kahkeshani | Mathematics Interdisciplinary Research | 2020-08-22 |
| 8 | On some designs constructed from the groups $PSL_2(q)$, $q=53,61,64$ | R. Kahkeshani | Algebraic Structures and Their Applications | 2020-01-08 |
| 9 | On the Permutation Code of the Group $V_{8n}$ and Its Parameters | M. Yazdani-Moghaddam-R. Kahkeshani | Indian J. Math. | 2019-08-01 |
| 10 | 1-Designs from the group $PSL_{2}(59)$ and their automorphism groups | R, Kahkeshani | Math. Interdisc. Res. | 2018-03-29 |
| 11 | A generalized Binet formula that counts the tilings of a $(2\times n)$-board | R. Kahkeshani-M. Arab | INTEGERS | 2018 |
| 12 | The Tilings of a $(2\times n)$-Board and Some New Combinatorial Identities | R. Kahkeshani | Journal of Integer Sequences | 2017 |
| 13 | (The translation of ``X. Wang, Volumes of Generalized Unit Balls, Math. Magazine, Vol. 78, No. 5, 390-395 (2005 | Kahkeshani-R. Kazemi | فرهنگ و اندیشه ریاضی | 2017 |
| 14 | The remoteness of the permutation code $U_{6n}$ | M. Yazdani-Moghaddam- R. Kahkeshani | Algebraic Structures and Their Applications | 2016 |
| 15 | Binary codes from the group $PSU_2(16)$ | A. Zaghiyan- A. Majlesi- R. Kahkeshani-H. Shabani | U. P. B. Sci. Bull. Ser. A | 2014 |
| 16 | The projective special unitary group $PSU_2(16)$ and their codes | R. Kahkeshani-H. Shabani-A. Zaghiyan-A. Majlesi | Electronic Notes in Discrete Mathematics | 2014-01-15 |
| 17 | On the first Zagreb index of polygraphs | H. Shabani-R. Kahkeshani | Electronic Notes in Discrete Mathematics | 2014-01-15 |
| 18 | A Generalization of the Catalan Numbers | R. Kahkeshani | Journal of Integer Sequences | 2013 |
| 19 | The Graphs $G$ that both $G$ and $L(G)$ contain 1-perfect codes | E. Lashani-A. Iranmanesh-R. Kahkeshani-O. Khormali | Int. Math. Forum | 2012 |
| 20 | $(Self-dual designs and their binary codes obtained from the group $PSL_2(13 | R. Kahkeshani.-R. Darafsheh-A. Iranmanesh | Creative Mathematics and Informatics | 2009 |