Convex Geometries on Root Systems
| Autor: | Annette Pilkington |
|---|---|
| Rok vydání: | 2006 |
| Předmět: | |
| Zdroj: | Communications in Algebra. 34:3183-3202 |
| ISSN: | 1532-4125 0092-7872 |
| DOI: | 10.1080/00927870600778340 |
| Popis: | This article investigates several convex closure operators on a finite root system. It is shown that a natural closure operator on the positive root system of a finite Weyl group satisfies the anti-exchange condition for all root systems except type F 4. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|