Proof of a conjecture on Wiener index and eccentricity of a graph due to edge contraction. - Joyentanuj Das; Ritabrata Jana (Discret. Appl. Math., 2022)

Strong comparison principle for a p-Laplace equation involving singularity and its applications. - R. Dhanya; M. S. Indulekha; Ritabrata Jana (Appl. Math. Lett., 2023)