标题： 弗里德里希斯扩张的一类离散辛系统 显示英文标题

标题： The Friedrichs extension of a class of discrete symplectic systems

摘要： 由下界有界的最小线性关系的弗里德里希斯扩张，并与关于谱参数具有特殊线性依赖性的离散辛系统相关，通过使用次要解进行表征。 这推广了Došlý和Hasil针对由对应于偶数阶Sturm--Liouville差分方程的无限带状矩阵定义的线性算子获得的类似结果，在某种意义上也包含了Marletta和Zettl或Šimon Hilscher和Zemánek针对奇异微分算子的结果。 显示英文摘要

摘要： The Friedrichs extension of minimal linear relation being bounded below and associated with the discrete symplectic system with a special linear dependence on the spectral parameter is characterized by using recessive solutions. This generalizes a similar result obtained by Do\v{s}l\'y and Hasil for linear operators defined by infinite banded matrices corresponding to even-order Sturm--Liouville difference equations and, in a certain sense, also results of Marletta and Zettl or \v{S}imon Hilscher and Zem\'anek for singular differential operators.