@article{quarez:hal-00685397,
TITLE = {Trace-positive non-commutative polynomials},
AUTHOR = {Quarez, Ronan},
URL = {https://hal.science/hal-00685397},
JOURNAL = {Proceedings of the American Mathematical Society},
PUBLISHER = {American Mathematical Society},
VOLUME = {143},
PAGES = {3357-3370},
YEAR = {2015},
KEYWORDS = {Positive semi-definite ; Sums of squares ; Sums of Hermitian Squares ; Trace positivity},
PDF = {https://hal.science/hal-00685397/file/Trpsd_not_sos_denom.pdf},
HAL_ID = {hal-00685397},
HAL_VERSION = {v1},
}