[PDF] Top 20 Anatomia do lenho de duas espécies de Lafoensia (Lythraceae)

... Many graph theorists computed the different topological indices for these standard graphs. In future, it may be helpful to generalize the relationship between different topo- logical indices. Hence we have ... See full document

... the graphs with minimum or maximum value from certain collections of graphs with some fixed parameters, was the topic of several ...bicyclic) graphs, when ≥ ... See full document

... sum-connectivity index, Randic index, inverse sum indeg index, symmetric division deg index, augmenting Zagreb index and harmonic polynomial for joint graphs and ... See full document

... special type of polynomial associated to every ( , ) p q -graph ...of graphs and shall attempt to compute the adjacent degree index of some special type of ...degree index of ... See full document

... cyclotomic index of G is defined as  p ( )(mod ) q p and is denoted by ...cyclotomic index of some special type of ...cyclotomic index of certain ... See full document

... Zagreb index of a graph G is the sum of squares of the vertex degrees in a graph and the second Zagreb index of G is the sum of products of degrees of adjacent vertices in ...signed graphs and ... See full document

... graceful graphs is a generalization of the article ...graceful graphs, ...of certain classes of graphs, including complete graphs and complete bipartite ... See full document

... the SDI value; there were 1 severely and 4 moderately drought events for 3 month time scale, 1 severely and 6 moderately drought events for 6 month time scale, 3 severely drought events for 9 month time scale, and ... See full document

... the graphs S(G), R(G), Q(G), and T(G), and they also computed the Wiener index of these graph operations in terms of W(F(G)) and W(H), where F is one of the symbols S, R, Q, ...sum-connectivity index ... See full document

... Throughout the paper we make use of the usual notation: 𝐾 𝑛 for the complete graph on 𝑛 vertices, 𝐾 𝑚,𝑛 for the complete bipartite graph with independent sets of sizes 𝑚 and 𝑛 , 𝑃 𝑛 for the path on 𝑛 vertices, 𝐶 𝑛 for ... See full document

... Randić index, first general Zagreb index, geometric arithmetic index, atom-bond connectivity index and general sum-connectivity index of the total graph of the tadpole graphs, ... See full document

... We assume that we are given an arc-weighted digraph G = (V, A) with vertices V = {1, . . . , n}. Items represent subgraphs of G corresponding to ei- ther isolated intervals [i, j], where there are no arcs between ... See full document

... topological index is a numerical invariant that characterize the chemical properties of a ...Wiener index W(G) is a distance-based topological invariant much used in the study of the structure-property and ... See full document

... introduced in [5], based on the notion of distance among points in G. Here we show, using the notion of corona of graphs, that there exists a m − eccentric point graph for every m ≥ 1. We also obtain the eccentric ... See full document

... related graphs to graph G have been defined as follows (See [11]): Subdivision Graph: S(G) is the graph ob- tained from G by replacing each of its edge by a path of length two, or equivalently, by insert- ing an ... See full document

... on Randic index of connected graphs and trees in terms of modified Zagreb indices given in ...GA index of connected graphs and trees in terms of Zagreb indices given in ... See full document

... In this paper, we have computed expression for some topological indices of derived graph of subdivision graph of a tadpole graph, a crown graph, a gear graph and a friendship graph.. and[r] ... See full document

... The forgotten topological index of a molecular graph is defined as F(G) = ∑ ∈ ( ) ( ) , where ( ) denotes the degree of vertex in . The first through the sixth smallest forgotten indices among all trees, the first ... See full document

... Wiener Index of a generic chain-like polygonal systembegan from the late 1980’s [13, ...theWiener Index for such a chain was onceconsidered a very hard ...wiener index of pentachainsand Ivan Gutman ... See full document

... Drought Index (SDI) as a hydrologic drought was used for investigating probability of drought occurrence in Halilrud basin as one of the important basins in arid and semi- arid regions of ...Precipitation ... See full document