๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

When each hexagon of a hexagonal system covers it

โœ Scribed by Fu-ji Zhang; Rong-si Chen


Book ID
104184131
Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
773 KB
Volume
30
Category
Article
ISSN
0166-218X

No coin nor oath required. For personal study only.


๐Ÿ“œ SIMILAR VOLUMES


A maximal cover of hexagonal systems
โœ Zheng Mao-lin; Chen Rong-si ๐Ÿ“‚ Article ๐Ÿ“… 1985 ๐Ÿ› Springer Japan ๐ŸŒ English โš– 169 KB
Identification of the Kekulรฉ, structures
โœ Rong-qin Sheng ๐Ÿ“‚ Article ๐Ÿ“… 1987 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 291 KB

An economical two-vertex elimination method for deciding whether or not a given polyeyclic aromatic hydrocarbon has Kekult structures is suggested. New concepts of convex (concave) vertices, rectangular sets, convex rectangular sets and convex pairs are introduced.