$2$-modified characteristic Fredholm determinants, Hill's method, and the periodic Evans function of Gardne
$C^{\infty} $ spectral rigidity of the ellipse
$H^\infty$-functional calculus and models of Nagy-Foiaş type for sectorial operators
$L^p$-approximation of the integrated density of states for Schrödinger operators with finite local complexity
$L^p$-Spectral theory of locally symmetric spaces with $Q$-rank one
$\mathbf {SL_2(\bbR)}$, Exponential Herglotz Representations, and Spectral Averaging