The maximum four point condition matrix of a tree. - Ali Azimi; Rakesh Jana; Mukesh Kumar Nagar; Sivaramakrishnan Sivasubramanian (CoRR, 2023)

A q-analogue of the bipartite distance matrix of a nonsingular tree. - Rakesh Jana (Discret. Math., 2023)

Unimodality and peak location of the characteristic polynomials of two distance matrices of trees. - Rakesh Jana; Iswar Mahato; Sivaramakrishnan Sivasubramanian (Comput. Appl. Math., 2025)