Abstract
We refine a property of 2-connected graphs described in the classical paper of Dirac from 1952 and use the refined property to somewhat shorten Dirac's proof of the fact that each 2-connected n-vertex graph with minimum degree at least k has a cycle of length at least min{n,2k}.
Original language | English (US) |
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Article number | 114153 |
Journal | Discrete Mathematics |
Volume | 347 |
Issue number | 11 |
DOIs | |
State | Published - Nov 2024 |
Keywords
- Berge cycles
- Extremal hypergraph theory
- Minimum degree
ASJC Scopus subject areas
- Theoretical Computer Science
- Discrete Mathematics and Combinatorics