Fabrici, Igor; Madaras, Tomáš; Timková, Mária; Van Cleemput, Nico; Zamfirescu, Carol T. Non-Hamiltonian graphs in which every edge-contracted subgraph is Hamiltonian. (English) Zbl 1462.05206 Appl. Math. Comput. 392, Article ID 125714, 12 p. (2021). MSC: 05C45 05C10 05C40 PDF BibTeX XML Cite \textit{I. Fabrici} et al., Appl. Math. Comput. 392, Article ID 125714, 12 p. (2021; Zbl 1462.05206) Full Text: DOI Link OpenURL
Goedgebeur, Jan; Neyt, Addie; Zamfirescu, Carol T. Structural and computational results on platypus graphs. (English) Zbl 1462.05110 Appl. Math. Comput. 386, Article ID 125491, 9 p. (2020). MSC: 05C10 05C38 05C45 05C85 PDF BibTeX XML Cite \textit{J. Goedgebeur} et al., Appl. Math. Comput. 386, Article ID 125491, 9 p. (2020; Zbl 1462.05110) Full Text: DOI arXiv OpenURL
Ozeki, Kenta; Wiener, Gábor; Zamfirescu, Carol T. On minimum leaf spanning trees and a criticality notion. (English) Zbl 1440.05062 Discrete Math. 343, No. 7, Article ID 111884, 7 p. (2020). MSC: 05C05 PDF BibTeX XML Cite \textit{K. Ozeki} et al., Discrete Math. 343, No. 7, Article ID 111884, 7 p. (2020; Zbl 1440.05062) Full Text: DOI OpenURL
Lichiardopol, Nicolas; Zamfirescu, Carol T. On the size of maximally non-Hamiltonian digraphs. (English) Zbl 1416.05166 Ars Math. Contemp. 16, No. 1, 59-66 (2019). MSC: 05C45 05C20 05C12 05C35 PDF BibTeX XML Cite \textit{N. Lichiardopol} and \textit{C. T. Zamfirescu}, Ars Math. Contemp. 16, No. 1, 59--66 (2019; Zbl 1416.05166) Full Text: DOI OpenURL
Zamfirescu, Carol T. On a question of van Aardt et al. on destroying all longest cycles. (English) Zbl 1409.05119 Graphs Comb. 35, No. 2, 479-483 (2019). MSC: 05C38 05C12 05C35 05C40 PDF BibTeX XML Cite \textit{C. T. Zamfirescu}, Graphs Comb. 35, No. 2, 479--483 (2019; Zbl 1409.05119) Full Text: DOI OpenURL