Burghelea, Dan Max Planck Institute for Mathematics, Max Planck Society;
https://doi.org/10.2140/agt.2017.17.2051 (Publisher version)
arXiv:1501.01012.pdf (Preprint), 274KB
Burghelea, D. (2017). A refinement of Betti numbers in the presence of a continuous function, I. Algebraic & Geometric Topology, 17(4), 2051-2080. doi:10.2140/agt.2017.17.2051.