Abstract
It is well-known that the total domination number γt(G) of a graph G without isolated vertices is at most twice its domination number γ(G). We provide a constructive characterization of trees T satisfying γt(T) = 2γ(T).
| Original language | English |
|---|---|
| Pages (from-to) | 99-106 |
| Number of pages | 8 |
| Journal | Utilitas Mathematica |
| Volume | 60 |
| Publication status | Published - Nov 2001 |
| Externally published | Yes |
ASJC Scopus subject areas
- Statistics and Probability
- Statistics, Probability and Uncertainty
- Applied Mathematics