This is the one example I had in mind because of all the pretty pictures: https://arxiv.org/abs/1712.09913 https://arxiv.org/abs/1712.09913 Hao Li, Zheng Xu, G

This is the one example I had in mind because of all the pretty pictures: https://arxiv.org/abs/1712.09913 https://arxiv.org/abs/1712.09913 Hao Li, Zheng Xu, Gavin Taylor, Christoph Studer, Tom Goldstein. 2018. "Visualizing the Loss Landscape of Neural Nets".