Week 6; 6.1 And 6.2 Flashcards

1
Q

Define a Cauchy sequence in a metric space

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2
Q

Prove cauchy’s convergence criterion on a metric space

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3
Q

Prove that if a Cauchy sequence has a convergent subsequence, that they are convergent to they same limit

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4
Q

Define a complete metric space

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5
Q

Give example of complete and incomplete metric spaces

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6
Q

Prove the subspace (A, d) for A€X and (X, d) complete subspace is also complete

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7
Q

Define the completion of an arbitrary metric space (X, d)

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8
Q

Define the completion of (A,d) a subspace of the complete metric space (X,d)

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9
Q

Prove that B(s) is complete with the uniform metric

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10
Q

Prove that C[a,b] is complete with the uniform metric

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