Bangti Jin, Raytcho D. Lazarov, Vidar Thomée, Zhi Zhou. On nonnegativity preservation in finite element methods for subdiffusion equations. Math. Comput., 86(307):2239-2260, 2017. [doi]
@article{JinLTZ17,
title = {On nonnegativity preservation in finite element methods for subdiffusion equations},
author = {Bangti Jin and Raytcho D. Lazarov and Vidar Thomée and Zhi Zhou},
year = {2017},
doi = {10.1090/mcom/3167},
url = {https://doi.org/10.1090/mcom/3167},
researchr = {https://researchr.org/publication/JinLTZ17},
cites = {0},
citedby = {0},
journal = {Math. Comput.},
volume = {86},
number = {307},
pages = {2239-2260},
}