AbstractIn this paper, we present sharp bounds for the Zagreb indices, Harary index and hyper-Wiener index of graphs with a given matching number, and we also completely determine the extremal graphs
AbstractThe first and second reformulated Zagreb indices are defined respectively in terms of edge-d...
We resolve two conjectures of Hri\v{n}\'{a}kov\'{a}, Knor and \v{S}krekovski (2019) concerning the r...
Abstract. Introduced in 1947, theWiener indexW(T) = {u,v}⊆V(T) d(u, v) is one of themost thoroughly ...
AbstractIn this paper, we present sharp bounds for the Zagreb indices, Harary index and hyper-Wiener...
AbstractThe Harary index is defined as the sum of reciprocals of distances between all pairs of vert...
The first and second Hyper-Zagreb index of a connected graph $G$ is defined by $HM_{1}(G)=\sum_{uv \...
The hyper-Zagreb index is an important branch in the Zagreb indices family, which is defined as ∑uv∈...
<p>The hyper-Zagreb index of a simple connected graph G is defined by ${\chi ^2}(G) = \sum_{uv \in E...
In this paper, we prove a collection of results on graphical indices. Wedetermine the extremal graph...
We give sharp lower bounds for the Zagreb eccentricity indices of connected graphs with fixed number...
AbstractIn this work we show that among all n-vertex graphs with edge or vertex connectivity k, the ...
The aim of this paper is to obtain new inequalities for a large family of generalizations of the Wie...
AbstractThe Harary index is defined as the sum of reciprocals of distances between all pairs of vert...
For a graph G, the first Zagreb index is defined as the sum of the squares of the vertices degrees. ...
In this paper, we present and analyze the upper and lower bounds on the Hyper Zagreb index $\chi^2(G...
AbstractThe first and second reformulated Zagreb indices are defined respectively in terms of edge-d...
We resolve two conjectures of Hri\v{n}\'{a}kov\'{a}, Knor and \v{S}krekovski (2019) concerning the r...
Abstract. Introduced in 1947, theWiener indexW(T) = {u,v}⊆V(T) d(u, v) is one of themost thoroughly ...
AbstractIn this paper, we present sharp bounds for the Zagreb indices, Harary index and hyper-Wiener...
AbstractThe Harary index is defined as the sum of reciprocals of distances between all pairs of vert...
The first and second Hyper-Zagreb index of a connected graph $G$ is defined by $HM_{1}(G)=\sum_{uv \...
The hyper-Zagreb index is an important branch in the Zagreb indices family, which is defined as ∑uv∈...
<p>The hyper-Zagreb index of a simple connected graph G is defined by ${\chi ^2}(G) = \sum_{uv \in E...
In this paper, we prove a collection of results on graphical indices. Wedetermine the extremal graph...
We give sharp lower bounds for the Zagreb eccentricity indices of connected graphs with fixed number...
AbstractIn this work we show that among all n-vertex graphs with edge or vertex connectivity k, the ...
The aim of this paper is to obtain new inequalities for a large family of generalizations of the Wie...
AbstractThe Harary index is defined as the sum of reciprocals of distances between all pairs of vert...
For a graph G, the first Zagreb index is defined as the sum of the squares of the vertices degrees. ...
In this paper, we present and analyze the upper and lower bounds on the Hyper Zagreb index $\chi^2(G...
AbstractThe first and second reformulated Zagreb indices are defined respectively in terms of edge-d...
We resolve two conjectures of Hri\v{n}\'{a}kov\'{a}, Knor and \v{S}krekovski (2019) concerning the r...
Abstract. Introduced in 1947, theWiener indexW(T) = {u,v}⊆V(T) d(u, v) is one of themost thoroughly ...
DOI
Add to ORKG