arXiv · 1306.1045
On invertible nonnegative Hamiltonian operator matrices
Abstract
Some new characterizations of nonnegative Hamiltonian operator matrices are given. Several necessary and sufficient conditions for an unbounded nonnegative Hamiltonian operators to be invertible are obtained; so that the main results in the previously published papers are corollaries of the new theorems. Most of all we want to stress the method of proof. It is based on the connections between Pauli operator matrices and nonnegative Hamiltonian matrices.
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Guohai Jin, Guolin Hou, Alatancang Chen, Deyu Wu. 2013-09-16. On invertible nonnegative Hamiltonian operator matrices. https://arxiv.org/abs/1306.1045
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