Indefinite Inner Product Spaces, Schur Analysis, and Differential Equations

Part I - Biographical material.- List of publications of Heinz Langer.- Program of the Laudatio ceremony and photos.- Heinz Langer Laudatio.- Part II - Papers.- The inverse monodromy problem.- The bitangential matrix Nevanlinna-Pick interpolation problem revisited.- Finite rank perturbations in Pontryagin spaces and a Sturm-Liouville problem with -rational boundary conditions.- On unimodular transformations of conservative L-systems.- Spectral theory of stationary random fi elds and their generalizations. A short historical survey.- Semicircular-like, and semicircular laws induced by certain C*-probability spaces over the fi nite adele ring AQ.- On the asymptotic behaviour of the zeros of solutions of one functional-differential equation with rescaling.- Rational q x q Caratheodory functions and central non-negative Hermitian measures.- On the spectrum of an operator in truncated Fock space.- Limit properties of eigenvalues in spectral gaps.- Self-adjoint boundary conditions for the prolate spheroid differential operators.- An addendum to a paper by Li and Zhang.- On accelerants and their analogs, and on the characterization of the rectangular Weyl functions for Dirac systems with locally square-integrable potentials on a semi-axis.- Dirac equation: the stationary and dynamical scattering problems.- Compressed resolvents, Q-functions and h0-resolvents in almost Pontryagin spaces.- Dissymmetrising inner product spaces.

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• Cibernética e teoria dos sistemas
• Análise funcional e transforma

Schur analysis;differential equations;inverse problems;Mathematical physics;Interpolation theory;indefinite inner product spaces;Pontryagin spaces;linear systems