The Hamilton cycles of a graph generate a subspace of the cycle space called the Hamilton space. The Hamilton space of any connected Cayley graph on an abelian group is determined in this paper.
Orthogonal projection and liftings of Hamilton-decomposable Cayley graphs on abelian groups
β Scribed by Alspach, Brian; Caliskan, Cafer; Kreher, Donald L.
- Book ID
- 122073845
- Publisher
- Elsevier Science
- Year
- 2013
- Tongue
- English
- Weight
- 898 KB
- Volume
- 313
- Category
- Article
- ISSN
- 0012-365X
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## Abstract In this paper the concepts of Hamilton cycle (HC) and Hamilton path (HP) extendability are introduced. A connected graph Ξ is __n__β__HCβextendable__ if it contains a path of length __n__ and if every such path is contained in some Hamilton cycle of Ξ. Similarly, Ξ is __weakly n__β__HPβ
Alspach has conjectured that any 2k-regular connected Cayley graph cay(A,S) on a finite abelian group A can be decomposed into k hamiltonian cycles. In this paper we generalize a result by Kotzig that the Cartesian product of any two cycles can be decomposed into two hamiltonian cycles and show that