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Название: Lecture Notes in Mathematics. 1663
Авторы: A. Dold (ed), B. Eckmann (ed)
The Schrodinger operator with a periodic potential describes the motion of a particle in bulk matter. Therefore, it is interesting to have a detailed analysis of the spectral properties of this operator. Both physicists and mathematicians have been studying the periodic Schrodinger operator for a long time '. The most significant progress has been achieved in the one-dimensional case ^ The two and three dimensional cases are still of great challenge.