Knowee
Questions
Features
Study Tools

let X=(0,1) and U subscript n =(1/n,1) (n>=2). Does a lebesgue number exist for the cover { U subscript n : n>=2}}

Question

let X=(0,1) and U subscript n =(1/n,1) (n>=2). Does a lebesgue number exist for the cover { U subscript n : n>=2}}
🧐 Not the exact question you are looking for?Go ask a question

Solution 1

Yes, a Lebesgue number does exist for the cover {U_n : n>=2} of the set X=(0,1).

Here's the step-by-step explanation:

  1. The Lebesgue number of an open cover of a metric space is a positive number δ such that every subset of the space of diameter < δ is contained in some member of the cover.

  2. Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.

Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  

This problem has been solved

Similar Questions

consider X=(-1,0) union (0,1) with the metric induced from R . Then {(-1,0),(0,1)} is an open cover for X. show that this cover has no Lebesgue number

Let U = {x : x ∈ N, x ≤ 9}; A = {x : x is an even number, 0 < x < 10}; B = {2, 3, 5, 7}. Write the set (A U B)’.

An LTI system has the relationship y[n] = ∑ 𝑥[𝑘]𝑔[𝑛 − 2𝑘]∞𝑘= −∞ , where g[n] = u[n] –u[n-4]. Determine y[n] if a) x[n] = δ[n-1], b) x[n] = δ[n-2].

بين أنه من أجل كل عدد طبيعي n ، ( )2 1 1 n n n n u u u u + − ( ) un − = − ثم استنتج إتجاه تغير المتتالية إذا علمت أنه من أجل كل عدد طبيعي n ، 1 n . u

The solution set of ( x-1) ( x+2) > 0 isa.[-2 ,1 ]b.( - ∞, 1 ) u ( 2 , ∞)c.∅d.( - ∞, -2) u ( 1 , ∞)

1/3

Upgrade your grade with Knowee

Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.