Vidar Thomée. On Positivity Preservation in Some Finite Element Methods for the Heat Equation. In Ivan Dimov, Stefka Fidanova, Ivan Lirkov, editors, Numerical Methods and Applications - 8th International Conference, NMA 2014, Borovets, Bulgaria, August 20-24, 2014, Revised Selected Papers. Volume 8962 of Lecture Notes in Computer Science, pages 13-24, Springer, 2014. [doi]
Abstract is missing.