Title of article :
Coexistence problem for the one-dimensional Schrِdinger operators with the double or triple periodic -interactions
Author/Authors :
Niikuni، نويسنده , , Hiroaki، نويسنده ,
Issue Information :
دوهفته نامه با شماره پیاپی سال 2010
Abstract :
We discuss the coexistence problem for the one-dimensional Schrödinger operator with the double or triple periodic δ ( 1 ) -interactions. For each j ∈ N , we determine whether or not the jth spectral gap is degenerate.
Keywords :
Spectral gap , Rotation number , Coexistence problem , Band spectrum , Generalized Kronig–Penney Hamiltonian , ? ( 1 ) -interaction , Periodic Schr?dinger operators
Journal title :
Journal of Mathematical Analysis and Applications
Journal title :
Journal of Mathematical Analysis and Applications
