Transactions of the American Mathematical Society, Vol. 273, No. 1 (Sep., 1982), pp. 131-145 (15 pages) Let $R$ be a ring with no nilpotent elements, with extended ...
Carpathian Journal of Mathematics, Vol. 39, No. 1 (2023), pp. 213-230 (18 pages) The normalized distance Laplacian matrix of a connected graph G, denoted by D𝓛(G), is defined by D𝓛(G) = ...