### Abstract

The talk will describe examples of trees for which the Laplacian exhibits `exotic' spectral phenomena. These examples are constructed via a decomposition of the Laplacian as a direct sum of Jacobi matrices.

## An Isaac Newton Institute Workshop## Quantum Graphs, their Spectra and Applications## Singular Spectral Types for Certain Spherically Homogeneous Trees.
## AbstractThe talk will describe examples of trees for which the Laplacian exhibits `exotic' spectral phenomena. These examples are constructed via a decomposition of the Laplacian as a direct sum of Jacobi matrices. |