On triangle-free graphs with rank 7

Fang Duan ()
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Fang Duan: Xinjiang Normal University

Indian Journal of Pure and Applied Mathematics, 2025, vol. 56, issue 1, 295-304

Abstract: Abstract If G does not contain triangle as induced subgraph, then G is called triangle-free. In this paper, by using the congruent vertices of I-. II- and III-type, we give a complete characterization for the triangle-free graphs with rank 7.

Keywords: Triangle-free graph; Rank; Congruent vertex; Nullity; 05C50 (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1007/s13226-023-00480-5

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