update

main.bib

@@ -84,6 +84,17 @@
       url={https://arxiv.org/abs/1410.0428}, 
 }
 
+@book{lee_introduction_2018,
+  title = {Introduction to {{Riemannian Manifolds}}},
+  author = {Lee, John M.},
+  year = {2018},
+  series = {Graduate {{Texts}} in {{Mathematics}}},
+  edition = {2nd},
+  publisher = {Springer},
+  address = {Cham, Switzerland},
+  isbn = {978-3-319-91755-9}
+}
+
 @inproceedings{Hayden,
   title     = {Concentration of measure effects in quantum information},
   author    = {Hayden, Patrick},