| 2025 | SOFSEM | On Computational Completeness of Semi-Conditional Matrix Grammars. | Henning Fernau, Lakshmanan Kuppusamy, Indhumathi Raman |
| 2025 | UC | On Time-Varying Insertion-Deletion Systems. | Henning Fernau, Lakshmanan Kuppusamy, Indhumathi Raman |
| 2024 | CiE | Counting Simple Rules in Semi-conditional Grammars is not Simple. | Henning Fernau, Lakshmanan Kuppusamy, Indhumathi Raman |
| 2024 | MCU | Succinct Star-Controlled Insertion-Deletion Systems Using Space Separating Normal Forms. | Henning Fernau, Lakshmanan Kuppusamy, Indhumathi Raman |
| 2019 | SOFSEM | On Matrix Ins-Del Systems of Small Sum-Norm. | Henning Fernau, Lakshmanan Kuppusamy, Indhumathi Raman |
| 2018 | MCU | Minimizing Rules and Nonterminals in Semi-conditional Grammars: Non-trivial for the Simple Case. | Henning Fernau, Lakshmanan Kuppusamy, Rufus O. Oladele, Indhumathi Raman |
| 2018 | UC | Computational Completeness of Simple Semi-conditional Insertion-Deletion Systems. | Henning Fernau, Lakshmanan Kuppusamy, Indhumathi Raman |
| 2016 | UC | Generative Power of Matrix Insertion-Deletion Systems with Context-Free Insertion or Deletion. | Henning Fernau, Lakshmanan Kuppusamy, Indhumathi Raman |
| 2013 | WALCOM | On Embedding of Certain Recursive Trees and Stars into Hypercube. | Indhumathi Raman |