Abstract
We prove boundedness results for the injectivity regions for projected entangled pair states. Our result is a higher-dimensional generalization of the quantum Wielandt inequality.
Highlights
In [8], Sanz et al proved a quantum version of the Wielandt inequality
This theorem was motivated by the study of matrix product states (MPS) and conjectures stated in [5]
In quantum physics the data corresponding to a system is described by a vector in a Hilbert space, or tensor products of these spaces
Summary
In [8], Sanz et al proved a quantum version of the Wielandt inequality. This theorem was motivated by the study of matrix product states (MPS) and conjectures stated in [5]. Grids without outgoing edges are used to represent tensors in v∈V Wv. This is done as follows.
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