Abstract
We show that the symmetric function generalization of the chromatic polynomial, or equivalently, the U-polynomial, distinguishes among a large class of caterpillar trees that we call proper, thus improving previous results by Martin, Morin and Wagner.
Original language | English |
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Pages (from-to) | 158-164 |
Number of pages | 7 |
Journal | Discrete Mathematics |
Volume | 315-316 |
Issue number | 1 |
DOIs | |
Publication status | Published - 2014 |
Keywords
- Caterpillar
- Chromatic symmetric function
- U-polynomial
ASJC Scopus subject areas
- Theoretical Computer Science
- Discrete Mathematics and Combinatorics