Manage settings
MENU
About this site
In het Nederlands
Home
Researchers
Projects
Organisations
Outputs & Impact
Infrastructure
Contact
Research Explorer
Your browser does not support JavaScript or JavaScript is not enabled. Without JavaScript some functions of this webapplication may be disabled or cause error messages. To enable JavaScript, please consult the manual of your browser or contact your system administrator.
Researcher
Aida Abiad
Profile
Projects
Publications & Research Data
Activities
Awards & Distinctions
Patents
33
Results
2026
Counting cospectral graphs obtained via switching
Aida Abiad
Nils van de Berg
Robin Simoens
A1
Journal Article
in
DISCRETE MATHEMATICS
2026
Hoffman colorability of (strongly) regular graphs
Aida Abiad
Bart De Bruyn
Thijs van Veluw
A1
Journal Article
in
DISCRETE MATHEMATICS
2026
2025
Hoffman colorings of graphs
Aida Abiad
Wieb Bosma
Thijs van Veluw
A1
Journal Article
in
LINEAR ALGEBRA AND ITS APPLICATIONS
2025
2024
On the diameter and zero forcing number of some graph classes in the Johnson, Grassmann and Hamming association scheme
Aida Abiad
Robin Simoens
Sjanne Zeijlemaker
A1
Journal Article
in
DISCRETE APPLIED MATHEMATICS
2024
On the existence of small strictly Neumaier graphs
Aida Abiad
Maarten De Boeck
Sjanne Zeijlemaker
A1
Journal Article
in
GRAPHS AND COMBINATORICS
2024
2023
An infinite class of Neumaier graphs and non-existence results
Aida Abiad
Wouter Castryck
Maarten De Boeck
Jack H. Koolen
Sjanne Zeijlemaker
A1
Journal Article
in
JOURNAL OF COMBINATORIAL THEORY SERIES A
2023
Cospectral mates for generalized Johnson and Grassmann graphs
Aida Abiad
Jozefien D'haeseleer
Willem H. Haemers
Robin Simoens
A1
Journal Article
in
LINEAR ALGEBRA AND ITS APPLICATIONS
2023
2022
Characterizing and computing weight-equitable partitions of graphs
Aida Abiad
Christopher Hojny
Sjanne Zeijlemaker
A1
Journal Article
in
LINEAR ALGEBRA AND ITS APPLICATIONS
2022
Neumaier graphs with few eigenvalues
Aida Abiad
Bart De Bruyn
Jozefien D'haeseleer
Jack H. Koolen
A1
Journal Article
in
DESIGNS CODES AND CRYPTOGRAPHY
2022
The kaleidoscopic Game of Life
Aida Abiad
Merit Geldmacher
Alexander Grigoriev
A2
Journal Article
in
COMPLEX SYSTEMS
2022
2021
Coloring the normalized Laplacian for oriented hypergraphs
Aida Abiad
Raffaella Mulas
Dong Zhang
A1
Journal Article
in
LINEAR ALGEBRA AND ITS APPLICATIONS
2021
Enumeration of cospectral and coinvariant graphs
Aida Abiad
Carlos A. Alfaro
A1
Journal Article
in
APPLIED MATHEMATICS AND COMPUTATION
2021
Optimization of eigenvalue bounds for the independence and chromatic number of graph powers
Aida Abiad
G. Coutinho
M.A. Fiol
B.D. Nogueira
S. Zeijlemaker
A1
Journal Article
in
DISCRETE MATHEMATICS
2021
2020
An application of Hoffman graphs for spectral characterizations of graphs
Qianqian Yang
Aida Abiad
Jack H. Koolen
A1
Journal Article
in
ELECTRONIC JOURNAL OF COMBINATORICS
2020
On the complexity of solving a decision problem with flow-depending costs : the case of the IJsselmeer dikes
Aida Abiad
S. Gribling
D. Lahaye
M. Mnich
G. Regts
L. Vena
G. Verweij
P. Zwaneveld
A1
Journal Article
in
DISCRETE OPTIMIZATION
2020
On the status sequences of trees
Aida Abiad
Boris Brimkov
Alexander Grigoriev
A1
Journal Article
in
THEORETICAL COMPUTER SCIENCE
2020
Printed circuit boards isomorphism : an experimental study
Aida Abiad
Alexander Grigoriev
Stefanie Niemzok
A1
Journal Article
in
COMPUTERS & INDUSTRIAL ENGINEERING
2020
2019
A characterization and an application of weight-regular partitions of graphs
Aida Abiad
A1
Journal Article
in
LINEAR ALGEBRA AND ITS APPLICATIONS
2019
Graph switching, 2-ranks, and graphical Hadamard matrices
Aida Abiad
Steve Butler
Willem H Haemers
A1
Journal Article
in
DISCRETE MATHEMATICS
2019
On the k-independence number of graphs
Aida Abiad
Gabriel Coutinho
Miquel Angel Fiol
A1
Journal Article
in
DISCRETE MATHEMATICS
2019
2018
Proof of a conjecture of Graham and Lovász concerning unimodality of coefficients of the distance characteristic polynomial of a tree
Ghodratollah Aalipour
Aida Abiad
Zahnar Berikkyzy
Leslie Hogben
Franklin Kenter
Michael Tait
Jephian Lin
A1
Journal Article
in
ELECTRONIC JOURNAL OF LINEAR ALGEBRA
2018
Spectral bounds for the connectivity of regular graphs with given order
Aida Abiad
Boris Brimkov
Xavier Martínez-Rivera
O. Suil
Jingmei Zhang
A1
Journal Article
in
ELECTRONIC JOURNAL OF LINEAR ALGEBRA
2018
2017
On the Wiener index, distance cospectrality and transmission-regular graphs
Aida Abiad
Boris Brimkov
Aysel Erey
Lorinda Leshock
Xavier Martínez-Rivera
Suil O
Sung-Yell Song
Jason Williford
A1
Journal Article
in
DISCRETE APPLIED MATHEMATICS
2017
2016
On the distance spectra of graphs
Ghodratollah Aalipour
Aida Abiad
Zhanar Berikkyzy
Jay Cummings
Jessica De Silva
Wei Gao
Kristin Heysse
Leslie Hogben
Franklin H.J. Kenter
Jephian C.-H. Lin
et al.
A1
Journal Article
in
LINEAR ALGEBRA AND ITS APPLICATIONS
2016
Some spectral and quasi-spectral characterizations of distance-regular graphs
Aida Abiad
E.R. van Dam
M.A. Fiol
A1
Journal Article
in
JOURNAL OF COMBINATORIAL THEORY SERIES A
2016
Spectral bounds for the k-independence number of a graph
Aida Abiad
Sebastian M. Cioabă
Michael Tait
A1
Journal Article
in
LINEAR ALGEBRA AND ITS APPLICATIONS
2016
2015
Godsil-McKay switching and isomorphism
Aida Abiad
Andries Brouwer
Willem Haemers
A1
Journal Article
in
ELECTRONIC JOURNAL OF LINEAR ALGEBRA
2015
Switched symplectic graphs and their 2-ranks
Aida Abiad
Willem H. Haemers
A1
Journal Article
in
DESIGNS CODES AND CRYPTOGRAPHY
2015
2014
An interlacing approach for bounding the sum of Laplacian eigenvalues of graphs
Aida Abiad
M.A. Fiol
W.H. Haemers
G. Perarnau
A1
Journal Article
in
LINEAR ALGEBRA AND ITS APPLICATIONS
2014
2013
Algebraic characterizations of regularity properties in bipartite graphs
Aida Abiad
Cristina Dalfó
Miquel Àngel Fiol
A1
Journal Article
in
EUROPEAN JOURNAL OF COMBINATORICS
2013
2012
Cospectral graphs and regular orthogonal matrices of level 2
Aida Abiad
Willem H Haemers
A1
Journal Article
in
ELECTRONIC JOURNAL OF COMBINATORICS
2012
2011
Electron spin resonance study of single-walled carbon nanotubes
Aida Abiad
Núria Ferrer-Anglada
Vega Lloveras
José Vidal-Gancedo
Siegmar Roth
A1
Journal Article
in
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
2011
2010
Electron spin resonance on single-walled carbon nanotubes obtained from different sources
Núria Ferrer-Anglada
Aida Abiad
Siegmar Roth
A1
Journal Article
in
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
2010