Exercises for Spectral theory

  1. 矩形Domain的Dirichlet問題
  2. 氫原子的譜與能級
  3. Hermite函數在Hilbert空間的正交性與完備性
  4. flat Kline Bottle的譜
  5. Weyl formula for the Laplacian on a rectangle domain
  6. Product of Spectrums