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Line graphs of directed graphs I | ||
| Transactions on Combinatorics | ||
| مقالات آماده انتشار، اصلاح شده برای چاپ، انتشار آنلاین از تاریخ 30 دی 1402 اصل مقاله (4.05 M) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22108/toc.2023.137205.2057 | ||
| نویسندگان | ||
| Vaidyanathan Sivaraman* 1؛ Daniel Slilaty2 | ||
| 1Department of Mathematics and Statistics, Mississippi State University Mississippi State, MS 39762, USA | ||
| 2Department of Mathematics and Statistics, Wright State University Dayton, OH 45435, USA | ||
| چکیده | ||
| We determine the forbidden induced subgraphs for the intersection of the classes of chordal bipartite graphs and line graphs of acyclic directed graphs. This is a first step towards finding the forbidden induced subgraphs for the class of line graphs of directed graphs. | ||
| کلیدواژهها | ||
| Line graph؛ directed graph؛ hereditary class | ||
| مراجع | ||
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1] J. S. Bagga and Lowell W. Beineke, A survey of line digraphs and generalizations, Discrete Math. Lett., 6 (2021) 68–83. [2] R. Behr, Edge coloring signed graphs, Discrete Math., 343 no. 2 (2020). [3] L. W. Beineke, Characterizations of derived graphs, J. Combinatorial Theory, 9 (1970) 129–135. [4] L. W. Beineke and J. S. Bagga, Line graphs and line digraphs, Developments in Mathematics, 68, Springer, Cham, [2021] ©2021, With a foreword by Gary Chartrand. [5] L. W. Beineke and R. L. Hemminger, Infinite digraphs isomorphic with their line digraphs, J. Combinatorial Theory Ser. B, 21 no. 3 (1976) 245–256. [6] K. Dabrowski, V. V. Lozin and Victor Zamaraev, On factorial properties of chordal bipartite graphs, Discrete Math., 312 no. 16 (2012) 2457–2465. [7] M. Charles Golumbic and C. F. Goss, Perfect elimination and chordal bipartite graphs, J. Graph Theory, 2 no. 2 (1978) 155–163. [8] F. Harary and R. Z. Norman, Some properties of line digraphs, Rend. Circ. Mat. Palermo (2), 9 (1960) 161–168. [9] J. Huang, Representation characterizations of chordal bipartite graphs, J. Combin. Theory Ser. B, 96 no. 5 (2006) 673–683. | ||
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