AbstractTorgašev (1986) described all finite connected graphs whose energy (i.e. the sum of all positive eigenvalues including also their multiplicities), does not exceed 3. In this paper, we introduce definitions of some other kinds of energies and we prove some properties of them
Given a graph G = (V, E), with respect to a vertex partition we associate a matrix called -matrix a...
The path eigenvalues of a graph $G$ are the eigenvalues of its path matrix. The path energy of a sim...
AbstractThe energy of a graph/matrix is the sum of the absolute values of its eigenvalues. We invest...
AbstractTorgašev (1986) described all finite connected graphs whose energy (i.e. the sum of all posi...
Abstract. In [3], Lepović described all connected graphs whose reduced energy, i.e., the sum of abso...
The energy of a graph G is the sum of the absolute values of its eigenvalues. In this paper, we stud...
Let be a finite and simple graph. The energy, of is defined as the sum of the absolute values of ...
AbstractGiven a graph G, its energyE(G) is defined as the sum of the absolute values of the eigenval...
Let G be a finite simple undirected graph with n vertices and m edges. For v ∈ V, the 2-degree of v ...
Abstract. Let G be a simple graph with n vertices and m edges. The ordinary energy of the graph is d...
The energy of a graph is the sum of the absolute values of the eigenvalues of its adjacency matrix. ...
We use a lemma due to Fiedler to obtain eigenspaces of some graphs and apply these results to graph ...
Let G be a finite, undirected and simple graph. If { } is the set of vertices of G, then the adjacen...
The 2-degree of vi, denoted by ti, is the sum of degrees of the vertices adjacent to vi, 1 i n. Le...
AbstractThe energy, E(G), of a simple graph G is defined to be the sum of the absolute values of the...
Given a graph G = (V, E), with respect to a vertex partition we associate a matrix called -matrix a...
The path eigenvalues of a graph $G$ are the eigenvalues of its path matrix. The path energy of a sim...
AbstractThe energy of a graph/matrix is the sum of the absolute values of its eigenvalues. We invest...
AbstractTorgašev (1986) described all finite connected graphs whose energy (i.e. the sum of all posi...
Abstract. In [3], Lepović described all connected graphs whose reduced energy, i.e., the sum of abso...
The energy of a graph G is the sum of the absolute values of its eigenvalues. In this paper, we stud...
Let be a finite and simple graph. The energy, of is defined as the sum of the absolute values of ...
AbstractGiven a graph G, its energyE(G) is defined as the sum of the absolute values of the eigenval...
Let G be a finite simple undirected graph with n vertices and m edges. For v ∈ V, the 2-degree of v ...
Abstract. Let G be a simple graph with n vertices and m edges. The ordinary energy of the graph is d...
The energy of a graph is the sum of the absolute values of the eigenvalues of its adjacency matrix. ...
We use a lemma due to Fiedler to obtain eigenspaces of some graphs and apply these results to graph ...
Let G be a finite, undirected and simple graph. If { } is the set of vertices of G, then the adjacen...
The 2-degree of vi, denoted by ti, is the sum of degrees of the vertices adjacent to vi, 1 i n. Le...
AbstractThe energy, E(G), of a simple graph G is defined to be the sum of the absolute values of the...
Given a graph G = (V, E), with respect to a vertex partition we associate a matrix called -matrix a...
The path eigenvalues of a graph $G$ are the eigenvalues of its path matrix. The path energy of a sim...
AbstractThe energy of a graph/matrix is the sum of the absolute values of its eigenvalues. We invest...