Here is where I will be posting any supplemental notes or resources.

Notes to accompany the lectures on Weyl’s law for domains in R^n

Brooks: The Sunada Method

Buser, Conway and Doyle: Some planar isospectral domains

Gordon and Webb: You can’t hear the shape of a drum

Chapman: Drums that sound the same

Brief notes to accompany the lectures on Weyl’s law on a general Riemannian manifold: roadmap of the proof

Dirac operators and index theory

Outline of the proof of the index theorem for Dirac operators