Generalized Riesz systems and ortonormal sequences in Krein spaces. (arXiv:1810.05218v1 [math-ph])

来源于:arXiv
We analyse special classes of biorthogonal sets of vectors in Hilbert and in Krein spaces, and their relations with $\mathcal{G}$- quasi bases. We also discuss their relevance in some concrete quantum mechanical system driven by manifestly non self-adjoint Hamiltonians. 查看全文>>