João Gouveia, Tim Netzer. Positive Polynomials and Projections of Spectrahedra. SIAM Journal on Optimization, 21(3):960-976, 2011. [doi]
@article{GouveiaN11,
title = {Positive Polynomials and Projections of Spectrahedra},
author = {João Gouveia and Tim Netzer},
year = {2011},
doi = {10.1137/100801913},
url = {http://dx.doi.org/10.1137/100801913},
researchr = {https://researchr.org/publication/GouveiaN11},
cites = {0},
citedby = {0},
journal = {SIAM Journal on Optimization},
volume = {21},
number = {3},
pages = {960-976},
}