@article{DMTCS_2020_special_379_a90,
     author = {Belton, Alexander and Guillot, Dominique and Khare, Apoorva and Putinar, Mihai},
     title = {Schur polynomials and matrix positivity preservers},
     journal = {Discrete mathematics & theoretical computer science},
     year = {2020},
     volume = {DMTCS Proceedings, 28th International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2016)},
     doi = {10.46298/dmtcs.6408},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.6408/}
}