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Padraig Ó Catháin

Observed names: Cathain, Padraig O, Catháin, Padraig Ó, Catháin, Pádraig Ó, P. Ó Catháin, Padraig O ́ Catháin, Padraig O'Cathain, Padraig Ó. Catháin, Padraig Ó Catháin, Pádraig Ó Catháin, Ó Catháin, Padraig
Observed institutions: Worcester Polytechnic Institute, Australian National University, The University of Queensland, Ollscoil na Gaillimhe – University of Galway, Helsinki Institute for Information Technology, Dublin City University, Monash University, University of Birmingham, Aalto University
ORCID: 0000-0002-7963-9688
Observed ORCID: 0000-0002-7963-9688
OpenAlex ID: A5045472759
The cocyclic Hadamard matrices of order less than 40
2010 · Padraig Ó Catháin, Marc Röder · Designs Codes and Cryptography · 28
Compressed Sensing With Combinatorial Designs: Theory and Simulations
2017 · Darryn Bryant, Charles J. Colbourn, et al. · IEEE Transactions on Information Theory · 17
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A Survey of the Hadamard Maximal Determinant Problem
2021 · Patrick Browne, Ronan Egan, et al. · The Electronic Journal of Combinatorics · 16
Explicit Correlation Amplifiers for Finding Outlier Correlations in Deterministic Subquadratic Time
2020 · Matti Karppa, Petteri Kaski, et al. · Algorithmica · 16
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Classifying Cocyclic Butson Hadamard Matrices
2015 · Ronan Egan, Dane Flannery, et al. · Springer proceedings in mathematics & statistics · 14
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An asymptotic existence result on compressed sensing matrices
2015 · Darryn Bryant, Padraig Ó Catháin · Linear Algebra and its Applications · 10
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Morphisms of Butson classes
2019 · Ronan Egan, Padraig Ó Catháin · Linear Algebra and its Applications · 9
Constructing cocyclic Hadamard matrices of order 4p
2019 · Santiago Barrera Acevedo, Padraig Ó Catháin, et al. · Journal of Combinatorial Designs · 8
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On twin prime power Hadamard matrices
2010 · Padraig Ó Catháin, Richard M. Stafford · Cryptography and Communications · 7
Trades in Complex Hadamard Matrices
2015 · Padraig Ó Catháin, Ian M. Wanless · Springer proceedings in mathematics & statistics · 6
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Nesting Symmetric Designs
2013 · Padraig Ó Catháin · Irish Mathematical Society Bulletin · 6
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Difference sets and doubly transitive actions on Hadamard matrices
2012 · Padraig Ó Catháin · Journal of Combinatorial Theory Series A · 6
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Automorphisms of pairwise combinatorial designs
2011 · Pádraig Ó Catháin · Irish Mathematical Society Bulletin · 6
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Spectra of Hadamard matrices
2018 · Egan, Ronan, Cathain, Padraig O, et al. · arXiv (Cornell University) · 5
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Cocyclic two-circulant core Hadamard matrices
2021 · Santiago Barrera Acevedo, Padraig Ó Catháin, et al. · Journal of Algebraic Combinatorics · 3
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Inequivalence of Difference Sets: On a Remark of Baumert
2013 · Padraig Ó Catháin · The Electronic Journal of Combinatorics · 3
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Recent progress in the construction of Hadamard matrices
2026 · Egan, Ronan, Kotsireas, Ilias, et al. · arXiv (Cornell University) · 2
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A generalisation of bent vectors for Butson Hadamard matrices
2026 · José Andrés Armario, Ronan Egan, et al. · Cryptography and Communications · 2
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Segre's theorem on ovals in Desarguesian projective planes
2023 · Patrick J. Browne, Steven T. Dougherty, et al. · Irish Mathematical Society Bulletin · 2
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Homomorphisms of matrix algebras and constructions of Butson–Hadamard matrices
2019 · Padraig Ó Catháin, Eric Swartz · Discrete Mathematics · 2
Construction of the Outer Automorphism of $${\mathcal {S}}_{6}$$ S 6 via a Complex Hadamard Matrix
2018 · Neil I. Gillespie, Padraig Ó Catháin, et al. · Mathematics in Computer Science · 2
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Cliques in graphs constructed from Strongly Orthogonal Subsets in exceptional root systems
2026 · Browne, Patrick J., Catháin, Pádraig Ó · arXiv (Cornell University) · 1
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Centraliser algebras of monomial representations and applications in combinatorics
2025 · Santiago Barrera Acevedo, Padraig Ó Catháin, et al. · Algebraic Combinatorics · 1
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A Bollobás-Type Problem: From Root Systems to Erdős–Ko–Rado
2024 · Patrick J. Browne, Qëndrim R. Gashi, et al. · Annals of Combinatorics · 1
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Triangle-free graphs with diameter 2
2024 · Devillers, Alice, Kamčev, Nina, et al. · arXiv (Cornell University) · 1
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Works count: 45
Citation count: 178
H-index: 8
I10-index: 6
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