【摘要】 本文研究了严格Ｆｒｅｄｈｏｌｍ复形在自然的小和紧扰动下的性质和指标不变性．作为特例给出了Ｆｒｅｄｈｏｌｍ算子组的指标不变性的一个结果更多还原

【Abstract】 In this note we investigate the properties and the stability of the index of a strict Fredholmcomplex on quotient Banach spaces under some natural small and compact perturbations. As anexample a result on the stability of the index of a Fredholm operator tuple is given.更多还原