Mikolaj Bojanczyk, Edon Kelmendi, Michal Skrzypczak. MSO+∇ is undecidable. In 34th Annual ACM/IEEE Symposium on Logic in Computer Science, LICS 2019, Vancouver, BC, Canada, June 24-27, 2019. pages 1-13, IEEE, 2019. [doi]
@inproceedings{BojanczykKS19,
title = {MSO+∇ is undecidable},
author = {Mikolaj Bojanczyk and Edon Kelmendi and Michal Skrzypczak},
year = {2019},
doi = {10.1109/LICS.2019.8785892},
url = {https://doi.org/10.1109/LICS.2019.8785892},
researchr = {https://researchr.org/publication/BojanczykKS19},
cites = {0},
citedby = {0},
pages = {1-13},
booktitle = {34th Annual ACM/IEEE Symposium on Logic in Computer Science, LICS 2019, Vancouver, BC, Canada, June 24-27, 2019},
publisher = {IEEE},
isbn = {978-1-7281-3608-0},
}