In the non-Hermitian Kitaev chain, preserved particle-hole symmetry makes the open-chain topological transition coincide with the periodic one and forces zero-energy Majorana modes to appear as reciprocal localization pairs that cancel the non-Hermitian skin effect.
Mostafazadeh, Exact pt-symmetry is equivalent to hermiticity, Journal of Physics A: Mathematical and General36, 7081 (2003)
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Symmetry and Topology in a Non-Hermitian Kitaev chain
In the non-Hermitian Kitaev chain, preserved particle-hole symmetry makes the open-chain topological transition coincide with the periodic one and forces zero-energy Majorana modes to appear as reciprocal localization pairs that cancel the non-Hermitian skin effect.