Update README.md

Author: samaid

README.md

@@ -10,3 +10,4 @@
 | 6 | Asynchrony: Power Iteration | [![](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/pyHPC/pyhpc-tutorial/blob/main/notebooks/6__asynchrony__power_iteration.ipynb) | [![](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/pyHPC/pyhpc-tutorial/blob/main/notebooks/6__asynchrony__power_iteration__SOLUTION.ipynb) |
 | 7 | Kernel Authoring: Copy | [![](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/pyHPC/pyhpc-tutorial/blob/main/notebooks/7__kernel_authoring__copy.ipynb) | [![](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/pyHPC/pyhpc-tutorial/blob/main/notebooks/7__kernel_authoring__copy__SOLUTION.ipynb) |
 | 8 | MPI | [![](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/pyHPC/pyhpc-tutorial/blob/main/notebooks/8__mpi.ipynb) |  |
+| 9.1 | `nvmath-python`: Interoperability with CPU and GPU tensor libraries | [![](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/samaid/pyhpc-tutorial/blob/main/notebooks/9_1_nvmath-python_interop.ipynb) |  |