On the planarity of the k-zero-divisor hypergraphs. - T. Tamizh Chelvam; Krishnan Selvakumar; V. Ramanathan (AKCE Int. J. Graphs Comb., 2015)

On the intersection graph of gamma sets in the zero-divisor graph. - T. Tamizh Chelvam; Krishnan Selvakumar (Discret. Math. Algorithms Appl., 2015)

On the genus of the graph associated to a commutative ring. - Krishnan Selvakumar; P. Subbulakshmi; Jafar Amjadi (Discret. Math. Algorithms Appl., 2017)

On the nil-graph of ideals of commutative Artinian rings. - T. Tamizh Chelvam; Krishnan Selvakumar; P. Subbulakshmi (Discret. Math. Algorithms Appl., 2018)

The k-annihilating-ideal hypergraph of commutative ring. - Krishnan Selvakumar; V. Ramanathan (AKCE Int. J. Graphs Comb., 2019)

On the genus of reduced cozero-divisor graph of commutative rings. - E. Jesili; Krishnan Selvakumar; T. Tamizh Chelvam (Soft Comput., 2023)

On metric dimension of nil-graph of ideals of commutative rings. - Krishnan Selvakumar; N. Petchiammal (Discret. Math. Algorithms Appl., 2024)

On the ideal-based triple zero-divisor graph of commutative ring. - Krishnan Selvakumar; N. Anusha (Discret. Math. Algorithms Appl., 2025)