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Real-valued functions of real variable, analytic properties of functions and sequences, limits, continuity, smoothness of these.

0 votes
1 answer
82 views

Introducton books for ‎$\frak{E}_p(I)$

Are there any good books different from abstract harmonic analysis by hewitt to study ‎$\frak{E}_p(I)$. where ‎$\frak{E}_p(I)$ is: ‎Let $I$ be an arbitrary index set‎. ‎For each $i\in I$ let $H_i$ b …
R.N's user avatar
  • 209
2 votes
2 answers
150 views

Approximately complemented subspaces

Definition: Suppose $E$ is a subspace of normed space $X$. Then $E$ is approximately complemented in $X$ if for any compact subset $K$ of $E$ and any $\epsilon>0$ there is a continuous linear operator …
R.N's user avatar
  • 209
3 votes
1 answer
138 views

$M_Λ(A) → A ⊗ M_Λ(C)$

I saw this in here. Let $A$ be a Banach algebra, and let $\Lambda$ be a non-empty set. We denote by $M_\Lambda(A)$ be the set of $\Lambda\times\Lambda$ matrices $(a_{ij})_{i,j\in\Lambda}$ with entries …
R.N's user avatar
  • 209