2 papers
math.CO2022
Moore-Penrose inverse of distance Laplacians of trees are Z matrices
R. Balaji, Vinayak Gupta
We show that all off-diagonal entries in the Moore-Penrose inverse of the distance Laplacian matrix of a tree are non-positive.
math-ph1998
Identities involving elementary symmetric functions
S. Chatyrvedi, V. Gupta
A systematic procedure for generating certain identities involving elementary symmetric functions is proposed. These identities, as particular cases, lead to new identities for bin…