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pro vyhledávání: '"Ianovich, Eduard"'
Autor:
Ianovich, Eduard
In this paper it is considered a spectral density for a class of Jacobi matrices with absolutely continuous spectrum that was examined first by Moszynski. It is shown that the corresponding spectral density is equivalent to the positive continuous fu
Externí odkaz:
http://arxiv.org/abs/1912.11439
Autor:
Ianovich, Eduard
Publikováno v:
Opuscula Mathematica, vol. 38, no. 5 (2018)
In this work the method of analyzing of the absolutely continuous spectrum for self-adjoint operators is considered. For the analysis it is used an approximation of self-adjoint operator $A$ by a sequence of operators $A_n$ with absolutely continuous
Externí odkaz:
http://arxiv.org/abs/1711.00621
Autor:
Ianovich, Eduard
In this work the spectral theory of self-adjoint operator $A$ represented by Jacobi matrix is considered. The approach is based on the continued fraction representation of the resolvent matrix element of $A$. Different criteria of absolute continuity
Externí odkaz:
http://arxiv.org/abs/1707.04695
Autor:
Ianovich, Eduard eduard@yanovich.spb.ru
Publikováno v:
Opuscula Mathematica. 2021, Vol. 41 Issue 6, p849-859. 11p.
Autor:
Ianovich, Eduard eduard@yanovich.spb.ru
Publikováno v:
Opuscula Mathematica. 2018, Vol. 38 Issue 5, p699-718. 20p.