In this and subsequent articles, we intend to explore Rosa's conjecture that every tree is graceful [l]. We define the concept of joint sum of graceful trees and study its operational properties. We shall prove the gracefulness of a certain family of trees. ## Keywords-tisak conjecture, Graceful
The radical product of graceful trees
โ Scribed by Si-Zhang Liu; De-Jun Jin; Sang-Ho Lee; Hai-Lou Liu; Xi-Guan Lu; Dazhi Zhang
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 354 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0898-1221
No coin nor oath required. For personal study only.
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