Paul, C. K., Kar, I. N., & Sivaramakrishnan, J. (2025). Unknown input dynamic observer for a class of nonlinear systems using contraction analysis. International Journal of Systems Science, 1–12. https://doi.org/10.1080/00207721.2025.2568715
Dey, B. S., Paul, C. K., & Kar, I. N. (2026). A matrix measure framework for incremental stability of mixed-mode switched systems. International Journal of Systems Science, 1–16. https://doi.org/10.1080/00207721.2026.2672076
C. K. Paul, B. Shankar Dey and I. N. Kar, "Safe Human Robot-Interaction using Switched Model Reference Admittance Control," 2024 10th International Conference on Control, Decision and Information Technologies (CoDIT), Vallette, Malta, 2024, pp. 1589-1594, doi: 10.1109/CoDIT62066.2024.10708346.
Chayan Kumar Paul, Neetish Patel, Bhabani Shankar Dey, Indra Narayan Kar,Adaptive Impedance Control: A Contraction Theory Approach,IFAC-PapersOnLine,Volume 57,2024,Pages 83-88,ISSN 2405-8963,https://doi.org/10.1016/j.ifacol.2024.05.015.