A transposition trick is introduced to impose lattice-reflection symmetry in TNRG projective truncations and entanglement filtering, enabling extraction of scaling dimensions separately in each symmetry sector for 2D and 3D systems.
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The Euclidean path integral on elliptic de Sitter defines a no-boundary density matrix whose entropies reduce to vertex operator correlators on non-orientable surfaces, with a one-dimensional global Hilbert space but nontrivial observer Fock spaces.
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Lattice-reflection symmetry in tensor-network renormalization group with entanglement filtering in two and three dimensions
A transposition trick is introduced to impose lattice-reflection symmetry in TNRG projective truncations and entanglement filtering, enabling extraction of scaling dimensions separately in each symmetry sector for 2D and 3D systems.
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No boundary density matrix in elliptic de Sitter dS/$\mathbb{Z}_2$
The Euclidean path integral on elliptic de Sitter defines a no-boundary density matrix whose entropies reduce to vertex operator correlators on non-orientable surfaces, with a one-dimensional global Hilbert space but nontrivial observer Fock spaces.