Abstract
Let us say two (simple) graphs G, G' are degree-equivalent if they have the same vertex set, and for every vertex, its degrees in G and in G' are equal. In the early 1980's, S.B. Rao made the conjecture that in any infinite set of graphs, there exist two of them, say G and H, such that H is isomorphic to an induced subgraph of some graph that is degree-equivalent to G. We prove this conjecture.
Original language | English (US) |
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Pages (from-to) | 44-92 |
Number of pages | 49 |
Journal | Journal of Combinatorial Theory. Series B |
Volume | 105 |
Issue number | 1 |
DOIs | |
State | Published - 2014 |
All Science Journal Classification (ASJC) codes
- Theoretical Computer Science
- Discrete Mathematics and Combinatorics
- Computational Theory and Mathematics
Keywords
- Graph structure theory
- Induced subgraph
- Well-quasi-ordering