TY - RPRT TI - Conditional Karhunen-Loève expansion for uncertainty quantification and active learning in partial differential equation models AU - Tipireddy, Ramakrishna AU - Barajas-Solano, David A. AU - Tartakovsky, Alexandre M. PY - 2020 UR - https://www.osti.gov/biblio/1650364 ID - 1650364 ER -