TY - JOUR AU - Teng, Long AU - Wu, Xueran AU - Günther, Michael AU - Ehrhardt, Matthias TI - A new methodology to create valid time-dependent correlation matrices via isospectral flows JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2020 SP - 361 EP - 371 VL - 54 IS - 2 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/m2an/2019064/ DO - 10.1051/m2an/2019064 LA - en ID - M2AN_2020__54_2_361_0 ER -