[HTML][HTML] Spectral properties of dual unit gain graphs
In this paper, we study dual quaternion, dual complex unit gain graphs, and their spectral
properties in a unified frame of dual unit gain graphs. Unit dual quaternions represent rigid …
properties in a unified frame of dual unit gain graphs. Unit dual quaternions represent rigid …
Spectra of quaternion unit gain graphs
A quaternion unit gain graph is a graph where each orientation of an edge is given a
quaternion unit, which is the inverse of the quaternion unit assigned to the opposite …
quaternion unit, which is the inverse of the quaternion unit assigned to the opposite …
On bounds of Aα-eigenvalue multiplicity and the rank of a complex unit gain graph
A Samanta - Discrete Mathematics, 2023 - Elsevier
Abstract Let Φ=(G, φ) be a connected complex unit gain graph (T-gain graph) of n vertices
with largest vertex degree Δ, adjacency matrix A (Φ), and degree matrix D (Φ). Let m α (Φ, λ) …
with largest vertex degree Δ, adjacency matrix A (Φ), and degree matrix D (Φ). Let m α (Φ, λ) …
NEPS of complex unit gain graphs
A complex unit gain graph (or $\mathbb T $-gain graph) is a gain graph with gains in
$\mathbb T $, the multiplicative group of complex units. Extending a classical construction …
$\mathbb T $, the multiplicative group of complex units. Extending a classical construction …
The k-generalized Hermitian adjacency matrices for mixed graphs
Y Yu, X Geng, Z Zhou - Discrete Mathematics, 2023 - Elsevier
This article gives some fundamental introduction to spectra of mixed graphs via its k-
generalized Hermitian adjacency matrix. This matrix is indexed by the vertices of the mixed …
generalized Hermitian adjacency matrix. This matrix is indexed by the vertices of the mixed …
Complex unit gain graphs with exactly one positive eigenvalue
L Lu, J Wang, Q Huang - Linear Algebra and its Applications, 2021 - Elsevier
A complex unit gain graph is a graph where each orientation of an edge is given a complex
unit, which is the inverse of the complex unit assigned to the opposite orientation. In this …
unit, which is the inverse of the complex unit assigned to the opposite orientation. In this …
Spectral Properties of Dual Complex Unit Gain Graphs
In this paper, we study dual complex unit gain graphs and their spectral properties. We
establish the interlacing theorem for dual complex unit gain graphs, and show that the …
establish the interlacing theorem for dual complex unit gain graphs, and show that the …
Bounds for the rank of a complex unit gain graph in terms of its maximum degree
Y Lu, J Wu - Linear Algebra and its Applications, 2021 - Elsevier
Abstract Let Φ=(G, φ) be a T-gain graph with maximum degree Δ. Zhou et al.(2018)[35] gave
a lower bound of the rank of simple graphs in items of maximum degree. Motivated by above …
a lower bound of the rank of simple graphs in items of maximum degree. Motivated by above …
On connected T-gain graphs with rank equal to girth
S Khan - Linear Algebra and its Applications, 2024 - Elsevier
Abstract Let Φ=(Γ, φ) be a T-gain graph or a complex unit gain graph and A (Φ) be its
adjacency matrix. The rank of (Γ, φ) is denoted by r (Γ, φ) which is the rank of its adjacency …
adjacency matrix. The rank of (Γ, φ) is denoted by r (Γ, φ) which is the rank of its adjacency …
The gap between the rank of a complex unit gain graph and its underlying graph
K Du, Y Lu, Q Zhou - Discrete Applied Mathematics, 2024 - Elsevier
Abstract Let Φ=(G, φ) be a complex unit gain graph (or T-gain graph) and A (Φ) be its
adjacency matrix, where G is the underlying graph of Φ. The rank r (Φ) of Φ is the rank of A …
adjacency matrix, where G is the underlying graph of Φ. The rank r (Φ) of Φ is the rank of A …