Abstract
The vertex PI index is a distance-based molecular structure descriptor, that recently found numerous chemical applications. Lower and upper bounds for PI are obtained, as well as results of Nordhaus-Gaddum type. Also a relation between the Szeged and vertex PI indices is established.
| Original language | English |
|---|---|
| Pages (from-to) | 240-244 |
| Number of pages | 5 |
| Journal | Zeitschrift fur Naturforschung - Section A Journal of Physical Sciences |
| Volume | 65 |
| Issue number | 3 |
| DOIs | |
| State | Published - 2010 |
Keywords
- Distance (in Graph)
- Edge PI index
- Estimating the vertex PI index
- Molecular graph
- Molecular structure descriptor
- Topological index
- Vertex PI index