Modifications of the “central-method” to construct Steiner triple systems
✍ Scribed by H. Zeitler
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 871 KB
- Volume
- 77
- Category
- Article
- ISSN
- 0012-365X
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
Formulae for the numbers of two, three, and four-line configurations in a Steiner triple system of order u, STS(u), are given. While the formulae for two and three-line configurations depend only on u , the same is true for only 5 of the 16 four-line configurations. For the other 11 and fixed u, the
## Abstract Enantioselective synthesis of the core __trans__‐4,5,9,10‐tetrahydroxy‐9,10‐dihydrophenanthrene parent system of the antibiotics benanimicin, pradimicin and FD 594 has been accomplished. The synthesis employs a chiral tether approach and makes use of efficient central to axial to centra