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Литература
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| 1. |
Bessis D., Moussa P., Villani M., “Monotonic converging variational approximations to the functional integrals in quantum statistical mechanics”, J. Math. Phys., 16 (1975), 2318–2325     |
| 2. |
Burgdorf S., “Sums of Hermitian squares as an approach to the BMV conjecture”, Linear and Multilinear Algebra, 59:1 (2011), 1–9  |
| 3. |
Fannes M., Petz D., “On the function $e^{H+itK}$”, Int. J. Math. Math. Sci., 29 (2001), 389–394 |
| 4. |
Fannes M., Petz D., “Perturbation of Wigner matrices and a conjecture”, Proc. Amer. Math. Soc., 131 (2003), 1981–1988 |
| 5. |
Hägele D., “Proof of the case $p\leq7$ of the Lieb–Seiringer formulation of the Bessis–Moussa–Villani conjecture”, J. Stat. Phys., 127:6 (2007), 1167–1171 |
| 6. |
Hillar C. J., “Advances on the Bessis–Moussa–Villani trace conjecture”, Linear Algebra Appl., 426:1 (2007), 130–142 |
| 7. |
Hillar C. J., Johnson C. R., “Eigenvalues of words in two positive definite letters”, SIAM J. Matrix Anal. Appl., 23:4 (2002), 916–928 |
| 8. |
Horn R. A., Johnson C. R., Matrix Analysis, Cambridge Univ. Press, New York, 1985 |
| 9. |
Klep I., Schweighofer M., “Sums of Hermitian squares and the BMV conjecture”, J. Stat. Phys., 133 (2008), 739–760 |
| 10. |
Lieb E. H., Seiringer R., “Equivalent forms of the Bessis–Moussa–Villani conjecture”, J. Stat. Phys., 115 (2004), 185–190 |
| 11. |
Ward J. P., Quaternions and Cayley Numbers: Algebra and Applications, Kluwer Academic, Boston, 1997 |
| 12. |
Zhang F., “Quaternions and matrices of quaternions”, Linear Algebra Appl., 251 (1997), 21–57 |
