On the spectrum of the cesaro operator
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Date
2012-05-24
Authors
Okutoyi, J. I.
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Abstract
This thesis consists of four chapters. In chapter one, we determine the most general continuous linear functional f X, where X is any semiconservative BK-space with +) as its
Schauder basis. We also determine the necessary and sufficient conditions for(Ak)°bv°(X),
bv(X), where Ak B(X, Y), X and Y are any Banach spaces.
In chapter two, we study the general FH-spaces with H = S, where S is the space of all double sequences in which coordinates are continuous. We then specialize and obtain the relation
between c(c) , c(c), c(c) and RCN. We also prove that c(c) = RC.
In chapter three, we determine the spectrum of the Cesaro operator C1 = (C, 1) on c, bv, bv, wp (0) and wp (1p < ).
In chapter four, we study 4-dimensional matrices and then go on to determine the spectrum of the Cesaro operator C11 = (C, 1,1) on c(c) by a direct method. A method, which consists of both classical and analytical techniques.
Description
The QA 8.7 O38
Keywords
Mathematical research