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Weak Convergence and Weak Convergence

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Narita K., Shidama Y., Endou N.

Formalized Mathematics

2015

tom 23

nr 3

231-241

In this article, we deal with weak convergence on sequences in real normed spaces, and weak* convergence on sequences in dual spaces of real normed spaces. In the first section, we proved some topological properties of dual spaces of real normed spaces. We used these theorems for proofs of Section 3. In Section 2, we defined weak convergence and weak* convergence, and proved some properties. By RNS_Real Mizar functor, real normed spaces as real number spaces already defined in the article [18], we regarded sequences of real numbers as sequences of RNS_Real. So we proved the last theorem in this section using the theorem (8) from [25]. In Section 3, we defined weak sequential compactness of real normed spaces. We showed some lemmas for the proof and proved the theorem of weak sequential compactness of reflexive real Banach spaces. We referred to [36], [23], [24] and [3] in the formalization.

Ograniczanie wyników

1 Formalized Mathematics

1 Endou N.

1 Narita K.

1 Shidama Y.

1 2015

Wyniki wyszukiwania

Weak Convergence and Weak Convergence