Volume 16, No. 1 (2026)
Journal of Spectral Theory
S2O
Articles of this issue are accessible as open access under our subscribe to open model.

pp. 1–49 The Duistermaat index and eigenvalue interlacing for self-adjoint extensions of a symmetric operatorGregory BerkolaikoGraham CoxYuri LatushkinSelim Sukhtaiev
pp. 51–91 On the spectra of periodic elastic beam lattices: Single-layer graphMahmood EttehadBurak Hatinoğlu
pp. 93–143 Spectral properties of symmetrized AMV operatorsManuel DiasDavid Tewodrose
pp. 145–181 Delocalized eigenvectors of transitive graphs and beyondNicolas BurqCyril Letrouit
pp. 183–195 On multiplicity bounds for eigenvalues of the clamped round plateDan MangoubiDaniel Rosenblatt
pp. 197–242 Elliptic operators with non-local Wentzell–Robin boundary conditionsMarkus KunzeJonathan MuiDavid Ploß
pp. 243–270 Improved semiclassical eigenvalue estimates for the Laplacian and the Landau HamiltonianRupert L. FrankSimon LarsonPaul Pfeiffer
pp. 271–297 A generalized winding number formula for the Witten index of a Toeplitz operatorMasaki Izumi
pp. 299–328 Explicit construction of matrix-valued orthogonal polynomials of arbitrary sizeIgnacio Bono Parisi
pp. 329–353 Spectral and dynamical results related to certain non-integer base expansions on the unit intervalHoria D. CorneanIra W. HerbstGiovanna Marcelli
pp. 355–389 Spectral instability of random Fredholm operatorsSimon BeckerIzak OltmanMartin Vogel