Approximation Theory - Lecture 3

Explore the theoretical foundations of function approximation using deep neural networks in this 83-minute lecture from MIT's Deep Learning course. Delve into the fundamental question of how well deep neural networks can approximate given functions, examining key concepts including universal approximation theorems and Barron's theorem. Investigate whether increasing network depth provably enhances expressivity and approximation capabilities. Gain insights into the mathematical underpinnings that govern the representational power of deep learning models and understand the theoretical limits and possibilities of neural network approximation.