Sharp asymptotics of the quasimomentum

Sharp boundary estimates for elliptic operators

Sharp bounds for eigenvalues of triangles

Sharp geometric upper bounds on resonances for surfaces with hyperbolic ends

Sharp semiclassical estimates for the number of eigenvalues below a degenerate critical level

Sharp spectral estimates in domains of infinite volume

Sharp spectral stability estimates via the Lebesgue measure of domains for higher order elliptic operators

Sharp upper bounds on resonances for perturbations of hyperbolic space

Simultaneous unitary equivalence to bi-Carleman operators with arbitrarily smooth kernels of Mercer type

Simultaneous unitary equivalence to Carleman operators with arbitrarily smooth kernels

Sine kernel asymptotics for a class of singular measures

Singular asymptotic expansions for Dirichlet eigenvalues and eigenfunctions of the Laplacian on thin planar domains

Singular components of spectral measures for ergodic Jacobi matrices

Singular Continuous and Dense Point Spectrum for Sparse Trees with Finite Dimensions

Singular Continuous Spectrum for the Laplacian on Certain Sparse Trees

Singular continuous spectrum of half-line Schrödinger operators with point interactions on a sparse set

Singular equivariant asymptotics and Weyl's law

Singular Schrodinger operators in one dimension

Singular spectral shift and Pushnitski $μ$-invariant

Singular spectral shift is additive