scholarly journals Mixed spectral types for the one-frequency discrete quasi-periodic Schrödinger operator

2015 ◽  
Vol 144 (6) ◽  
pp. 2603-2609
Author(s):  
Shiwen Zhang
2017 ◽  
Vol 14 (05) ◽  
pp. 1750065 ◽  
Author(s):  
Oktay Veliev

In this paper, we investigate the spectrum and spectrality of the one-dimensional Schrödinger operator with a periodic PT-symmetric complex-valued potential.


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