TY - JOUR AU - Belton, Alexander AU - Guillot, Dominique AU - Khare, Apoorva AU - Putinar, Mihai TI - Preservers of totally positive kernels and PĆ³lya frequency functions JO - Mathematics Research Reports PY - 2022 SP - 35 EP - 56 VL - 3 PB - MathOA foundation UR - http://archive.numdam.org/articles/10.5802/mrr.12/ DO - 10.5802/mrr.12 LA - en ID - MRR_2022__3__35_0 ER -