Update README.md

README.md

@@ -136,6 +136,7 @@ Minima [Link](https://papers.nips.cc/paper/2019/file/01d8bae291b1e4724443375634c
 - Provable Benefit of Orthogonal Initialization in Optimizing Deep Linear Networks [Link](https://openreview.net/forum?id=rkgqN1SYvr)
 - Understanding Deep Learning: Expected Spanning Dimension and Controlling the Flexibility of Neural Networks [Link](https://www.frontiersin.org/articles/10.3389/fams.2020.572539/full)
 - The Loss Surface Of Deep Linear Networks Viewed Through The Algebraic Geometry Lens [Link](https://arxiv.org/pdf/1810.07716.pdf)
+- PYHESSIAN: Neural Networks Through the Lens of the Hessian [Link](https://arxiv.org/pdf/1912.07145.pdf)
 
 #### Convergencec Analysis in Deep Learning
 - A CONVERGENCE ANALYSIS OF GRADIENT DESCENT FOR DEEP LINEAR NEURAL NETWORKS [Link](https://openreview.net/pdf?id=SkMQg3C5K7)