Foucaud, Florent; Harutyunyan, Ararat; Hell, Pavol; Legay, Sylvain; Manoussakis, Yannis; Naserasr, Reza The complexity of tropical graph homomorphisms. (English) Zbl 1367.05141 Discrete Appl. Math. 229, 64-81 (2017). MSC: 05C60 05C15 PDFBibTeX XMLCite \textit{F. Foucaud} et al., Discrete Appl. Math. 229, 64--81 (2017; Zbl 1367.05141) Full Text: DOI arXiv
Brewster, Richard C.; Foucaud, Florent; Hell, Pavol; Naserasr, Reza The complexity of signed graph and edge-coloured graph homomorphisms. (English) Zbl 1351.05099 Discrete Math. 340, No. 2, 223-235 (2017). MSC: 05C22 05C15 05C60 PDFBibTeX XMLCite \textit{R. C. Brewster} et al., Discrete Math. 340, No. 2, 223--235 (2017; Zbl 1351.05099) Full Text: DOI arXiv