A characterization of all graphs cospectral to the double star $P_2(1,n)$

Fuente: arXiv

Saved in:

Bibliographic Details
Main Authors:	Barranca, Emily, Barrus, Michael D.
Format:	Preprint
Published:	2025
Subjects:	Combinatorics 05C50
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

Similar Items

A characterization of generalized cospectrality of rooted graphs with applications in graph reconstruction
by: Wang, Wei, et al.
Published: (2024)

Degree-similar graphs and cospectral graphs
by: Fan, Yi-Zheng, et al.
Published: (2025)

New arithmetic invariants for cospectral graphs
by: Ji, Yizhe, et al.
Published: (2024)

Switching methods of level 2 for the construction of cospectral graphs
by: Abiad, Aida, et al.
Published: (2024)

Almost all cographs have a cospectral mate
by: Wang, Wei, et al.
Published: (2025)

Constructing cospectral graphs by unfolding non-bipartite graphs
by: Kannan, M. Rajesh, et al.
Published: (2024)

Almost all graphs have no cospectral mate with fixed level
by: Wang, Wei, et al.
Published: (2025)

Construction of non-regular $A_α$-cospectral graphs from some join of graphs
by: K, Najiya V, et al.
Published: (2022)

On the levels of rational regular orthogonal matrices for generalized cospectral graphs
by: Wang, Wei, et al.
Published: (2026)

Almost all graphs have no cospectral mates with height relative small to its order
by: Zhao, Da
Published: (2026)

Spectral multiplicity functions of adjacency operators of graphs and cospectral infinite graphs
by: de la Harpe, Pierre
Published: (2023)

Constructing cospectral graphs via regular rational orthogonal matrix with level two and three
by: Mao, Lihuan, et al.
Published: (2024)

On the number of generalized cospectral mates of graphs
by: Raza, Muhammad, et al.
Published: (2026)

Singularly cospectral circulant graphs
by: Conde, Cristian M., et al.
Published: (2024)

The distance spectrum of the bipartite double cover of strongly regular graphs
by: Mirafzal, S. Morteza
Published: (2025)

A family of regular integral graphs and its application to the $n$-Queens' graph
by: Cardoso, Domingos M., et al.
Published: (2025)

Annihilating polynomial, Jordan canonical from, and generalized spectral characterizations of Eulerian graphs
by: Li, Kunyue, et al.
Published: (2024)

The existence of a $\{P_{2},C_{3},P_{5},\mathcal{T}(3)\}$-factor based on the size or the $A_α$-spectral radius of graphs
by: Zhang, Xianglong, et al.
Published: (2024)

Integral Cayley graphs over a group of order $6n$
by: Wang, Jing, et al.
Published: (2024)

A characterization of graphs $G$ with $m_G(λ)= 2c(G) + q_s(G) - 1$
by: Xu, Songnian, et al.
Published: (2024)

On the double covers of a line graph
by: Chauhan, Shivani, et al.
Published: (2022)

A general theorem in spectral extremal graph theory
by: Byrne, John, et al.
Published: (2024)

Strong spectral stabilities for $C_{2k+1}$-free graphs
by: Zou, Lantao, et al.
Published: (2025)

Vertex energies of splitting and shadow graphs
by: A, Harshitha, et al.
Published: (2026)

An Aα-spectral radius for the existence of {P3, P4, P5}-factors in graphs
by: Zhang, Yuli, et al.
Published: (2025)

Cubic graphs with no eigenvalues in the interval (-2,0)
by: Guo, Krystal, et al.
Published: (2025)

Characterizing graphs with the second largest distance eigenvalue less than -1/2
by: Abdón, Miriam, et al.
Published: (2026)

On the multiplicity of 1 as a Laplacian eigenvalue of a graph
by: Tian, Fenglei, et al.
Published: (2025)

The graphs which are cospectral with the generalized pineapple graph
by: Li, Borchen, et al.
Published: (2023)

Perfect matchings and $A_α$-spectral radius in 1-binding graphs
by: Zhou, Sizhong, et al.
Published: (2026)

Spectral extrema of graphs with fixed size: forbidden a fan graph, friendship graph or theta graph
by: Li, Shuchao, et al.
Published: (2024)

Throttling for standard zero forcing on directed graphs
by: Cairncross, Emily, et al.
Published: (2020)

Grover walks on unitary Cayley graphs and integral regular graphs
by: Bhakta, Koushik, et al.
Published: (2024)

On the Sombor index of the total graph and the unit graph of commutative rings
by: Pathak, Abhishek Vaibhav, et al.
Published: (2024)

A bound on the girth of quaternion unit gain graphs in terms of the rank
by: Khan, Suliman, et al.
Published: (2024)

Extremal graphs for the maximum $A_α$-spectral radius of graphs with order and size
by: Zhang, Jie, et al.
Published: (2025)

Turán numbers for non-bipartite graphs and applications to spectral extremal problems
by: Fang, Longfei, et al.
Published: (2024)

Well-failed graphs
by: Jacob, Bonnie
Published: (2025)

Eigenvalues and triangles in graphs
by: Lin, Huiqiu, et al.
Published: (2019)

On the eccentric graph of trees
by: Sorgun, Sezer, et al.
Published: (2023)