Beaton, Iain; Cox, Danielle; Duffy, Christopher; Zolkavich, Nicole Chromatic polynomials of 2-edge-coloured graphs. (English) Zbl 07806267 Electron. J. Comb. 30, No. 4, Research Paper P4.40, 22 p. (2023). MSC: 05C15 05C31 PDFBibTeX XMLCite \textit{I. Beaton} et al., Electron. J. Comb. 30, No. 4, Research Paper P4.40, 22 p. (2023; Zbl 07806267) Full Text: DOI arXiv
Duffy, Christopher; Pavan, P. D.; Sandeep, R. B.; Sen, Sagnik On deeply critical oriented cliques. (English) Zbl 1522.05111 J. Graph Theory 104, No. 1, 150-159 (2023). MSC: 05C15 PDFBibTeX XMLCite \textit{C. Duffy} et al., J. Graph Theory 104, No. 1, 150--159 (2023; Zbl 1522.05111) Full Text: DOI arXiv
Duffy, Christopher; Jacques, Fabien; Montassier, Mickaël; Pinlou, Alexandre The chromatic number of 2-edge-colored and signed graphs of bounded maximum degree. (English) Zbl 1522.05110 Discrete Math. 346, No. 10, Article ID 113579, 17 p. (2023). Reviewer: Eckhard Steffen (Paderborn) MSC: 05C15 05C60 05C22 05C07 PDFBibTeX XMLCite \textit{C. Duffy} et al., Discrete Math. 346, No. 10, Article ID 113579, 17 p. (2023; Zbl 1522.05110) Full Text: DOI arXiv
Duffy, Christopher Quasi-Transitive Mixed Graphs and Undirected Squares of Oriented Graphs. arXiv:2311.04429 Preprint, arXiv:2311.04429 [math.CO] (2023). MSC: 05C12 05C20 05C75 05C85 68Q25 BibTeX Cite \textit{C. Duffy}, ``Quasi-Transitive Mixed Graphs and Undirected Squares of Oriented Graphs'', Preprint, arXiv:2311.04429 [math.CO] (2023) Full Text: arXiv OA License
Bellitto, Thomas; Duffy, Christopher; MacGillivray, Gary Homomorphically Full Oriented Graphs. arXiv:2208.10727 Preprint, arXiv:2208.10727 [cs.DM] (2022). MSC: 05C60 05C20 68Q17 BibTeX Cite \textit{T. Bellitto} et al., ``Homomorphically Full Oriented Graphs'', Preprint, arXiv:2208.10727 [cs.DM] (2022) Full Text: DOI arXiv OA License
Duffy, Christopher; Shan, Sonja Linghui On the existence and non-existence of improper homomorphisms of oriented and \(2\)-edge-coloured graphs to reflexive targets. (English) Zbl 1462.05136 Discrete Math. Theor. Comput. Sci. 23, No. 1, Paper No. 6, 19 p. (2021). MSC: 05C15 05C60 PDFBibTeX XMLCite \textit{C. Duffy} and \textit{S. L. Shan}, Discrete Math. Theor. Comput. Sci. 23, No. 1, Paper No. 6, 19 p. (2021; Zbl 1462.05136) Full Text: DOI arXiv Link
Duffy, Christopher Colourings of oriented connected cubic graphs. (English) Zbl 1475.05065 Discrete Math. 343, No. 10, Article ID 112021, 5 p. (2020). Reviewer: Kunal Dutta (Warsaw) MSC: 05C15 05C40 05C20 PDFBibTeX XMLCite \textit{C. Duffy}, Discrete Math. 343, No. 10, Article ID 112021, 5 p. (2020; Zbl 1475.05065) Full Text: DOI arXiv
Clarke, N. E.; Cox, D.; Duffy, C.; Dyer, D.; Fitzpatrick, S. L.; Messinger, M. E. Limited visibility cops and robber. (English) Zbl 1441.05155 Discrete Appl. Math. 282, 53-64 (2020). MSC: 05C57 91A43 PDFBibTeX XMLCite \textit{N. E. Clarke} et al., Discrete Appl. Math. 282, 53--64 (2020; Zbl 1441.05155) Full Text: DOI arXiv
Cox, Danielle; Duffy, Christopher Chromatic polynomials of oriented graphs. (English) Zbl 1420.05082 Electron. J. Comb. 26, No. 3, Research Paper P3.55, 15 p. (2019). MSC: 05C31 05C15 05C20 PDFBibTeX XMLCite \textit{D. Cox} and \textit{C. Duffy}, Electron. J. Comb. 26, No. 3, Research Paper P3.55, 15 p. (2019; Zbl 1420.05082) Full Text: arXiv Link
Duffy, Christopher; MacGillivray, Gary; Sopena, Éric Oriented colourings of graphs with maximum degree three and four. (English) Zbl 1405.05056 Discrete Math. 342, No. 4, 959-974 (2019). MSC: 05C15 05C60 05C07 PDFBibTeX XMLCite \textit{C. Duffy} et al., Discrete Math. 342, No. 4, 959--974 (2019; Zbl 1405.05056) Full Text: DOI arXiv
Duffy, Christopher; MacGillivray, Gary; Ochem, Pascal; Raspaud, André Oriented incidence colourings of digraphs. (English) Zbl 1401.05109 Discuss. Math., Graph Theory 39, No. 1, 191-210 (2019). MSC: 05C15 05C20 PDFBibTeX XMLCite \textit{C. Duffy} et al., Discuss. Math., Graph Theory 39, No. 1, 191--210 (2019; Zbl 1401.05109) Full Text: DOI
Duffy, Christopher A Note on Colourings of Connected \(2\)-edge Coloured Cubic Graphs. arXiv:1910.11394 Preprint, arXiv:1910.11394 [cs.DM] (2019). MSC: 05C20 BibTeX Cite \textit{C. Duffy}, ``A Note on Colourings of Connected $2$-edge Coloured Cubic Graphs'', Preprint, arXiv:1910.11394 [cs.DM] (2019) Full Text: arXiv OA License
Bard, Stefan; Bellitto, Thomas; Duffy, Christopher; MacGillivray, Gary; Yang, Feiran Complexity of locally-injective homomorphisms to tournaments. (English) Zbl 1401.05196 Discrete Math. Theor. Comput. Sci. 20, No. 2, Paper No. 4, 22 p. (2018). MSC: 05C60 05C20 PDFBibTeX XMLCite \textit{S. Bard} et al., Discrete Math. Theor. Comput. Sci. 20, No. 2, Paper No. 4, 22 p. (2018; Zbl 1401.05196) Full Text: arXiv Link
Duffy, Christopher; MacGillivray, Gary; Sopena, Éric A study of \(k\)-dipath colourings of oriented graphs. (English) Zbl 1401.05110 Discrete Math. Theor. Comput. Sci. 20, No. 1, Paper No. 6, 15 p. (2018). MSC: 05C15 05C20 05C60 PDFBibTeX XMLCite \textit{C. Duffy} et al., Discrete Math. Theor. Comput. Sci. 20, No. 1, Paper No. 6, 15 p. (2018; Zbl 1401.05110) Full Text: arXiv Link
Duffy, C.; Lidbetter, T. F.; Messinger, M. E.; Nowakowski, R. J. A variation on chip-firing: the diffusion game. (English) Zbl 1418.91114 Discrete Math. Theor. Comput. Sci. 20, No. 1, Paper No. 4, 18 p. (2018). MSC: 91A50 91A43 05C57 PDFBibTeX XMLCite \textit{C. Duffy} et al., Discrete Math. Theor. Comput. Sci. 20, No. 1, Paper No. 4, 18 p. (2018; Zbl 1418.91114) Full Text: arXiv Link
Duffy, Christopher; Janssen, Jeannette The spread of cooperative strategies on grids with random asynchronous updating. (English) Zbl 1491.91034 Internet Math. 2017, Paper No. 16, 21 p. (2017). MSC: 91A43 05C57 91A22 68Q80 PDFBibTeX XMLCite \textit{C. Duffy} and \textit{J. Janssen}, Internet Math. 2017, Paper No. 16, 21 p. (2017; Zbl 1491.91034) Full Text: DOI arXiv
Bensmail, Julien; Duffy, Christopher; Sen, Sagnik Analogues of cliques for \((m,n)\)-colored mixed graphs. (English) Zbl 1371.05071 Graphs Comb. 33, No. 4, 735-750 (2017). MSC: 05C15 05C69 05C60 05C10 PDFBibTeX XMLCite \textit{J. Bensmail} et al., Graphs Comb. 33, No. 4, 735--750 (2017; Zbl 1371.05071) Full Text: DOI HAL
Duffy, Christopher; Janssen, Jeannette The spread of cooperative strategies on grids with random asynchronous updating. (English) Zbl 1398.91108 Bonato, Anthony (ed.) et al., Algorithms and models for the web graph. 13th international workshop, WAW 2016, Montreal, QC, Canada, December 14–15, 2016. Proceedings. Cham: Springer (ISBN 978-3-319-49786-0/pbk; 978-3-319-49787-7/ebook). Lecture Notes in Computer Science 10088, 152-163 (2016). MSC: 91A43 05C82 68Q80 PDFBibTeX XMLCite \textit{C. Duffy} and \textit{J. Janssen}, Lect. Notes Comput. Sci. 10088, 152--163 (2016; Zbl 1398.91108) Full Text: DOI arXiv
Duffy, Christopher; MacGillivray, Gary An analysis of the weighted firefighter problem. (English) Zbl 1335.05120 J. Comb. Math. Comb. Comput. 94, 167-175 (2015). MSC: 05C57 05C85 PDFBibTeX XMLCite \textit{C. Duffy} and \textit{G. MacGillivray}, J. Comb. Math. Comb. Comput. 94, 167--175 (2015; Zbl 1335.05120)