Calculus

### Calculus and the Legend of the Founding of Carthage

How modern calculus of variations solved an ancient math problem.

Calculus

How modern calculus of variations solved an ancient math problem.

Optimization

How to solve constrained optimization problems.

Geometry

An accidental introduction to field theory.

PDE

Flows and fields

Relativity

Problem-solving in special relativity.

Astrophysics

The laws of planetary motion.

Quantum Physics

“So do any of you guys know quantum physics?” Paul Rudd in Avengers: Endgame

Analysis

Ways of determining when an equation is equal to zero

Mathematics

Suppose that x and y are non-negative real numbers, not necessarily distinct. The famous arithmetic-geometric mean inequality says that:

Quantum Mechanics

Why we need quantum physics.

Physics

Explained as simply as possible, but no simpler.

Physics

Bonus: Separation of Variables