Journal publications
Journal publications
Irena Penev, R. B. Sandeep, D. K. Supraja, and S. Taruni. "Isometric path partition: a new upper bound and a characterization of some extremal graphs." (submitted) (arxiv)
Dipayan Chakraborty, Soumen Nandi, Sagnik Sen, and D. K. Supraja. "A linear algorithm for radio k-coloring powers of paths having small diameter." Journal of Computer and System Sciences 147 (2025): 103577.
Dipayan Chakraborty, Florent Foucaud, Soumen Nandi, Sagnik Sen, and D. K. Supraja. "On locating and neighbor-locating colorings of sparse graphs." Discrete Applied Mathematics 358 (2024): 366-381.
Tapas Das, Tuomo Lehtilä, Soumen Nandi, Sagnik Sen, and D. K. Supraja. "On radio k-labeling of the power of the infinite path." Information Processing Letters 182 (2023): 106386.
Conference publications
Irena Penev, R. B. Sandeep, D. K. Supraja, and S. Taruni. "Isometric path partition: an upper bound and a characterization of some extremal graphs." EUROCOMB'25 (poster).
Dipayan Chakraborty, Soumen Nandi, Sagnik Sen, and D. K. Supraja. "A linear algorithm for radio k-coloring powers of paths having small diameter." In International Workshop on Combinatorial Algorithms, pp. 148-159. Cham: Springer Nature Switzerland, 2023.
Dipayan Chakraborty, Florent Foucaud, Soumen Nandi, Sagnik Sen, and D. K. Supraja. "New bounds and constructions for neighbor-locating colorings of graphs." In Conference on Algorithms and Discrete Applied Mathematics, pp. 121-133. Cham: Springer International Publishing, 2023.
Tapas Das, Tuomo Lehtilä, Soumen Nandi, Sagnik Sen, and D. K. Supraja. "On radio k-coloring of the power of the infinite path." In The 11th International Colloquium on Graph Theory and combinatorics, 2022.
Workshops/ conferences attended
EUROCOMB'25, Hungarian Academy of Sciences, Budapest, Hungary.
ADFOCS'25, Max Planck Institute for Informatics, Saarbrücken, Germany.
Summer school on Approximation algorithms 2025, IISc Bangalore, India.
GIAN course titled Sparse graphs: treewidth, planarity, bounded expansion, 24 February 2025 - 7 March 2025, held at IIT Dharwad, India.
Frontiers of geometric algorithms 2024, IISc Bangalore, India.
Indo-Spanish pre-conference school of CALDAM 2025 conference held at PSG College of Technology, Coimbatore, India.
CALDAM 2025 conference held at PSG College of Technology, Coimbatore, India.
Indo-Slovenian pre-conference school of CALDAM 2024 conference held at IIT Bhilai, India.
CALDAM 2024 conference held at IIT Bhilai, India.
Advance instruction school on Algorithmic Graph Theory conducted by ATM schools held at IIT Indore, India.
IWOCA 2023 conference held at National Cheng Kung University, Tainan, Taiwan (attended online).
Indo-Dutch pre-conference school of CALDAM 2023 conference held at DA-IICT, Gandhinagar, India.
CALDAM 2023 conference held at DA-IICT, Gandhinagar, India.
ICGT 2022 conference held at University of Montpellier, France.
A series of lectures on homomorphisms of colored mixed graphs, Aug 2021, IIT Dharwad (Online).
HOSIGRA annual workshop, May 2021, IRIF, Paris (Online).
Fundings
ANRF international travel support for poster presentation titled "Isometric path partition: an upper bound and a characterization of some extremal graphs" in EUROCOMB'25, Hungarian Academy of Sciences, Budapest, Hungary.
CSIR travel grant (did not claim for) for poster presentation titled "Isometric path partition: an upper bound and a characterization of some extremal graphs" in EUROCOMB'25, Hungarian Academy of Sciences, Budapest, Hungary.
NBHM travel support (did not claim for) for presenting the paper titled "On radio k-coloring of the power of the infinite path", ICGT 2022, Montpellier, France.
Talks
"Isometric path partition: an upper bound and a characterization of some extremal graphs" ADFOCS'25 and EUROCOMB'25 (poster).
"Locating and neighbor-locating colorings of graphs", Young researcher's forum, CALDAM 2024, IIT Bhilai.
"A linear algorithm for radio k-coloring powers of paths having small diameter", IWOCA 2023, Tainan, Taiwan (presented online).
"New bounds and constructions for neighbor-locating colorings of graphs", CALDAM 2023, DA-IICT Gandhinagar.
"Radio k-labeling of the infinite path", Young researcher's forum, CALDAM 2023, DA-IICT Gandhinagar.
"On radio k-coloring of the power of the infinite path", ICGT 2022, Montpellier, France.
Research visits
Junior visitor, July 2022, project: "Applications of Graph Homomorphisms" funded by IFCAM, visited: Prof. Florent Foucaud, Université Clermont Auvergne, France.
Junior visitor, Oct 2021-Dec 2021, project: "Applications of Graph Homomorphisms" funded by IFCAM, visited: Université de Lyon, IRIF (Paris), Université de Bordeaux, France.
Reviewer for journals/ conferences
Discrete Applied Mathematics, Communications in Combinatorics and Optimization, Ars Combinatoria, CALDAM 2025, CALDAM 2024, CALDAM 2023.