Milosavljevic, Nikola Algorithms and Complexity, MPI for Informatics, Max Planck Society;
Milosavljevic, N., Morozov, D., & Skraba, P. (2011). Zigzag Persistent Homology in Matrix Multiplication Time. In Proceedings of the 27th Annual Symposium on Computational Geometry (SCG'11) (pp. 216-225). New York, NY: ACM. doi:10.1145/1998196.1998229.