Lectures related to Hyperbolic law of cosines

Explores the Laplacian, Riemannian metric, and invariant operators in hyperbolic surfaces.

Explores invariant integral operators and their spectral properties on hyperbolic surfaces.

Explores the Cosine and Sine Laws in triangles, highlighting their applications and potential pitfalls.

Explores Schottky groups, spectral gaps, and the Fractal Uncertainty Principle.

Explores the spectrum of hyperbolic surfaces, focusing on Fuchsian groups and their actions.

Covers the spectral expansion of Eisenstein series and the properties of hyperbolic surfaces.