For the mathematically inclined, I strongly recommend Frank Morgan's book on Geometric Measure Theory, which is the math of bubbles, essentially: https://www.s

For the mathematically inclined, I strongly recommend Frank Morgan's book on Geometric Measure Theory, which is the math of bubbles, essentially: https://www.sciencedirect.com/book/9780128044896/geometric-measure-theory https://www.sciencedirect.com/book/9780128044896/geometric-m...