These papers are followed by a leading article entitled Sonja Kovalevsky: Her life and professorship in Stockholm, written especially for this volume by Jan-Erik Bjork in preparation for his major address to the Symposium.

I. Sonja Kovalevsky.- Curriculum Vitae.- Scientific publications.- Sophie Kovalevsky.- Sonja Kovalevsky: Her life and professorship at Stockholm.- Rigid bodies and the Bordin Prize.- The limitations of the Cauchy-Kovalevsky theorem.- II. Research papers.- On integrability of many-body problems with point interactions.- Generalized point models in boundary contact value problems of hydroelasticity.- Some spectral properties of the Heun differential equation.- On the approximation of the solution of the Schrodinger equation by superpositions of stationary solutions.- Lyapunov exponents in continuum Bernoulli-Anderson models.- Families of spectral measures with mixed types.- Singular point-like perturbations of the Laguerre operator in a Pontryagin space.- Realizations of Herglotz-Nevanlinna functions via F-systems.- Integral equations of relativistic bound state theory and Sturm-Liouville problem.- The non-relativistic scattering problem for a superposition of ä-potentials.- On the periodic magnetic Schrodinger operator in Rd. Eigenvalues and model functions.- The Laplace operator, null set perturbations and boundary conditions.- Ergodicity in the p-adic framework.- On the resolvent estimates for the generators of strongly continuous groups in the Hilbert spaces.- Supersymmetry of the Sturm—Liouville and Korteveg—de Vries operators.- Resonance triadic quantum switch.- The Hamilton operator and quantum vacuum for nonconformal scalar fields in the homogeneous and isotropic space.- Boundary conditions for singular perturbations of self-adjoint operators.- Asymptotical and topological constructions in hydrodynamics.- Spectral aspects of a class of differential operators.- Spectral properties of Jacobi matrices with rapidly growing power-like weights.- Kovalevskaya’sdynamics and Schrodinger equations of Henn class.- Effective quantum number for centrally symmetric potentials.- List of participants.- List of lecture titles.