Hao Li, Zheng Xu, Gavin Taylor, Christoph Studer and Tom Goldstein. Visualizing the Loss Landscape of Neural Nets. NIPS, 2018. An interactive 3D visualizer for loss surfaces has been provided by ...
An R package for using discrete Morse theory to analyze a data set using the Mapper algorithm described in: G. Singh, F. Memoli, G. Carlsson (2007). Topological Methods for the Analysis of High ...