Abstract
Let (Formula presented.) denote a unitary one-matching bi-Cayley graph over a finite commutative ring R. In this paper, we give a necessary and sufficient condition for (Formula presented.) (respectively, the complement of (Formula presented.) and the line graph of (Formula presented.)) to be Ramanujan.
| Original language | English |
|---|---|
| Pages (from-to) | 2037-2053 |
| Number of pages | 17 |
| Journal | Linear and Multilinear Algebra |
| Volume | 72 |
| Issue number | 12 |
| DOIs | |
| State | Published - 2024 |
Keywords
- 05C25
- 05C50
- Ramanujan
- Unitary one-matching bi-Cayley graph
- spectrum
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