A note on Seall's projective substitution
β Scribed by David M. Foley
- Book ID
- 112499132
- Publisher
- Springer
- Year
- 1984
- Tongue
- English
- Weight
- 143 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0047-2468
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
We investigate the important role of e ective projective objects in the study of (ΓΏnitary, multi sorted) varieties. In particular we give a new version of the classical Lawvere characterization Theorem and an application to the case of locally ΓΏnitely presentable categories.
## Abstract We show that all graphs with a simple extension property are projective. As a consequence of this result we settle in the affirmative a conjecture of Larose and Tardif and characterize all homogeneous graphs which are projective. Β© 2004 Wiley Periodicals, Inc. J Graph Theory 47: 81β86,