نتایج جستجو برای: pairwise almost co compact
تعداد نتایج: 632626 فیلتر نتایج به سال:
We define a new type of spectrum, called δ-approximate spectrum, of an element a in a complex unital Banach algebra A and show that the δ-approximate spectrum σ_δ (a) of a is compact. The relation between the δ-approximate spectrum and the usual spectrum is investigated. Also an analogue of the classical Gleason-Kahane-Zelazko theorem is established: For each ε>0, there is δ>0 such that if ϕ is...
The main objectives of this paper are to introduce the concept pairwise countably compact in bitopological space,and we some generalization spaces, and their properties, relate it other spaces.
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