Hi everyone, asking for course advice again. Some background: I am on a quarter system, this coming winter quarter I am registered for: General relativity Elementary Particle Physics (I) Real Analysis (I) Modern Algebra (II) I'm currently a 3rd year physics major finishing up 4th year courses (minus two that I will take next year), so this me a lot of leeway as to what courses I can take my fourth year in college. What courses should I plan on taking if I want to apply to graduate school in: Mathematical Physics Theoretical Particle Physics Quantum Gravity ? I might have a chance at taking graduate differential topology/geometry from the math department in my senior year, how helpful will this be in both applying to physics graduate school in the three programs mentioned above? I have enough room to fit a math major, but I wonder what classes I should be taking advantage of in undergrad and which classes I should wait until graduate school to take. Thanks!