Research
Research
Journal Publications
Christopher Duffy, PPD., Sandeep R. B. and Sagnik Sen, On deeply critical oriented cliques, J. Graph Theory. 2023; 104: 150–159.
PPD and Eric Sopena, On the oriented achromatic number of graphs, Discrete Applied Mathematics, 2024; 347:48–61.
Sandip Das, Koushik Kumar Dey, PPD and Sagnik Sen, Counting the minimum number of arcs in an oriented graph having weak diameter 2, Discrete Applied Mathematics, 2025; 364: 222-236.
Tapas Das, Florent Foucaud, Clara Marcille, PPD and Sagnik Sen, Monitoring arc-geodetic sets of oriented graphs, Theoretical Computer Science, 2025; Volume 1031: 115079.
Conference Publications
Junnila, V., Laihonen, T., Lehtilä, T., Pavan, P.D. (2026, June). Exact Size of Intersections of Hamming Balls in Z_q^n. In: 2026 IEEE International Symposium on Information Theory (ISIT) (pp. 1-6). IEEE.
Junnila, V., Laihonen, T. K., Lehtilä, T., & Pavan, P.D. (2025, September). On Levenshtein’s Reconstruction Problem for Channels with Unique Insertion Error Patterns. In: 2025 IEEE Information Theory Workshop (ITW) (pp. 1-6). IEEE.
Junnila, V., Laihonen, T. K., Lehtilä, T., & Pavan, P.D. (2025, September). On the Intersections of q-ary Hamming Balls. In: 2025 IEEE Information Theory Workshop (ITW) (pp. 1-6). IEEE.
Duffy, C., Pavan, P.D., Sandeep, R.B., Sen, S. (2021). On Deeply Critical Oriented Cliques. In: Nešetřil, J., Perarnau, G., Rué, J., Serra, O. (eds) Extended Abstracts EuroComb 2021. Trends in Mathematics, vol 14, pp 631-636. Birkhäuser, Cham.
Submitted to journal/In preparation
7. Anni Hakanen and PPD, Solid resolving sets in Directed graphs (In preparation)
6. Ville Junnila, Tero K Laihonen, Tuomo Lehtilä and PPD, Enumerating Channels with Distinct Insertion Errors Required for Sequence Reconstruction Problems (In preparation)
5. Ville Junnila, Tero K Laihonen, Tuomo Lehtilä and PPD,
4. Ville Junnila, Tero K Laihonen, Tuomo Lehtilä and PPD, The Size of the Intersection of q-ary Hamming Balls (Submitted)
3. Ville Junnila, Tero K Laihonen, Tuomo Lehtilä and PPD, Unique Insertion Error Patterns in Levenshtein’s Reconstruction Problem (Submitted)
2. Tapas Das, PPD, Taruni S and Sagnik Sen, An update on pushable homomorphisms (Submitted)
1. Tapas Das, PPD, Taruni S and Sagnik Sen, On arc-density of pushably 3-critical oriented graphs (Submitted)