This talk with give a gentle introduction to Lattice-Based Cryptography.

Some references include the Lattices section of the book "Mathematics of Public Key Cryptography" by Steven Galbraith (free download available at https://www.math.auckland.ac.nz/~sgal018/crypto-book/crypto-book.html), the Lattices and Cryptography section of the book "An Introduction to Mathematical Cryptography" by Hoffstein, Pipher, and Silverman, or the article "Lattice-based Cryptography" by Micciancio and Regev (https://cims.nyu.edu/~regev/papers/pqc.pdf).