Inverse spectral problems for Dirac operators on a finite interval

Abstract

We consider the direct and inverse spectral problems for Dirac operators that are generated by the differential expressions $$ \mathfrak t_q:=\frac{1}{i}[I&0 0&-I]\frac{d}{dx}+[0&q q^*&0] $$ and some separated boundary conditions. Here $q$ is an $r\times r$ matrix-valued function with entries belonging to $L_2((0,1),\mathbb{C})$ and $I$ is the identity $r\times r$ matrix. We give a complete description of the spectral data (eigenvalues and suitably introduced norming matrices) for the operators under consideration and suggest an algorithm of reconstructing the potential $q$ from the corresponding spectral data.

23 pages

References in corpus (2)

• Inverse spectral problems for Dirac operators with summable potentials
• Inverse spectral problems for Sturm--Liouville operators with matrix-valued potentials

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