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http://hdl.handle.net/1893/32473| Appears in Collections: | Computing Science and Mathematics Journal Articles |
| Peer Review Status: | Refereed |
| Title: | More on signed graphs with at most three eigenvalues |
| Author(s): | Ramezani, Farzaneh Rowlinson, Peter StaniĆ, Zoran |
| Keywords: | adjacency matrix simple eigenvalue strongly regular signed graph vertex-deleted subgraph weighing matrix association scheme |
| Issue Date: | 2022 |
| Date Deposited: | 24-Mar-2021 |
| Citation: | Ramezani F, Rowlinson P & StaniĆ Z (2022) More on signed graphs with at most three eigenvalues. Discussiones Mathematicae Graph Theory, 42 (4), pp. 1313-1331. https://doi.org/10.7151/dmgt.2393 |
| Abstract: | We consider signed graphs with just 2 or 3 distinct eigenvalues, in particular (i) those with at least one simple eigenvalue, and (ii) those with vertexdeleted subgraphs which themselves have at most 3 distinct eigenvalues. We also construct new examples using weighing matrices and symmetric 3-class association schemes |
| DOI Link: | 10.7151/dmgt.2393 |
| Rights: | Under the Creative Commons Attribution-NonCommercial-NoDerivs license, the author(s) and users are free to share (copy, distribute and transmit the contribution) under the following conditions: 1. they must attribute the contribution in the manner specified by the author or licensor, 2. they may not use this contribution for commercial purposes, 3. they may not alter. |
| Licence URL(s): | http://creativecommons.org/licenses/by-nc-nd/4.0/ |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| DMGT-2393.pdf | Fulltext - Published Version | 197.99 kB | Adobe PDF | View/Open |
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