Abstract
A graph is called Hamiltonian extendable if there exists a Hamiltonian path between any two nonadjacent vertices. In this paper, we give an explicit formula of the minimum number of edges for Hamiltonian extendable graphs and we also characterize the degree sequence for Hamiltonian extendable graphs with minimum number of edges. Besides, we completely characterize the pairs of forbidden subgraphs for 2-connected graphs to be Hamiltonian extendable.
Original language | English |
---|---|
Pages (from-to) | 843-859 |
Number of pages | 17 |
Journal | Discussiones Mathematicae - Graph Theory |
Volume | 42 |
Issue number | 3 |
DOIs | |
Publication status | Published - 1 Aug 2022 |
Keywords
- Hamiltonian extendable
- forbidden subgraph