Zagier, Don Max Planck Institute for Mathematics, Max Planck Society;
Mussardo_The coprime_oa_2017.pdf (Any fulltext), 4MB
Mussardo, G., Giudici, G., & Viti, J. (2017). The coprime quantum chain: Appendix C: Eigenvalues of the coprimality matrix. Journal of Statistical Mechanics: Theory and Experiment, 2017: 033104, pp. 3. doi:10.1088/1742-5468/aa5bb4.