Question

Let ? be a finite-dimensional vector space, ? its dual space and ? a subspace of...

Let V ? be a finite-dimensional vector space, V^* ? its dual space and U ? a subspace of V .

Let U^0 be a subspace of V^* and defined as follows:

U^0=\{s\in V^*|s(v)=0 \text{ }\forall v\in U\}

Prove that

1) dim(U)+dim(U^0)=dim(V)

2) (U^0)^0=U

0 0
Add a comment Improve this question Transcribed image text
Answer #1

be abone Set2 we getC

Add a comment
Know the answer?
Add Answer to:
Let ? be a finite-dimensional vector space, ? its dual space and ? a subspace of...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Prob 4· Let V be a finite-dimensional vector space and let U be its proper subspace...

    Prob 4· Let V be a finite-dimensional vector space and let U be its proper subspace (i.e., UメV). Prove that there exists ф є V, 0 for all u є U but ф 0. such that p(u)

  • Problem #6. Let V be a finite dimensional vector space over a field F. Let W...

    Problem #6. Let V be a finite dimensional vector space over a field F. Let W be a subspace of V. Define A(W) e Vw)Vw E W). Prove that A(W) is a subspace of (V).

  • Question 1. Let V be a finite dimensional vector space over a field F and let...

    Question 1. Let V be a finite dimensional vector space over a field F and let W be a subspace of Prove that the quotient space V/W is finite dimensional and dimr(V/IV) = dimF(V) _ dimF(W). Hint l. Start with a basis A = {wi, . . . , w,n} for W and extend it to a basis B = {wi , . . . , wm, V1 , . . . , va) for V. Hint 2. Our goal...

  • Q-) Let F be an object ond V is a finite dimensional vector Space on the...

    Q-) Let F be an object ond V is a finite dimensional vector Space on the object. . that if v is linear trons formation, ronkt is zero a) Show or 1. b) If Liv> v is linear tronsformation, show that ker L c ker L² and L(v) 2 L² (v). ( Note : L²=LoL and ker L, be defined as subspace of L.).

  • Let V be a finite-dimensional vector space over F. For every subset SCV, define Sº =...

    Let V be a finite-dimensional vector space over F. For every subset SCV, define Sº = {f EV* | f(s) = 0 Vs E S}. (a) Prove that sº is a subspace of V* (S may not be a subspace!) (b) If W is a subspace of V and x € W, prove that there exists an fe Wº with f(x) + 0. (c) If v inV, define û :V* + F by ū(f) = f(u). (This is linear and...

  • just part c,d, and e please!! Let V be a finite-dimensional vector space over F. For...

    just part c,d, and e please!! Let V be a finite-dimensional vector space over F. For every subset SCV, define Sº = {f eV" f(s) = 0 Vs ES}. (a) Prove that sº is a subspace of V* (S may not be a subspace!) (b) If W is a subspace of V and r & W, prove that there exists an few with f(x) +0. (c) If v inV, define u:V* → F by 0(f) = f(v). (This is linear...

  • Let W be a subspace of an n-dimensional vector space V over C, and let T:V...

    Let W be a subspace of an n-dimensional vector space V over C, and let T:V V be a linear transformation. Prove that W is invariant under T if and only if W is invariant under T- I for any i EC.

  • Let (X, 11. I be a normed vector space and let E C X be an...

    Let (X, 11. I be a normed vector space and let E C X be an n-dimensional subspace. (a) Prove that E is complete. (b) Prove that E is closed. (c) Prove that dim E* = n, where E* is the algebraic dual of E (the space of all linear functionals on E).

  • Problem 4. Give an example of a linear operator T on a finite-dimensional vector space such...

    Problem 4. Give an example of a linear operator T on a finite-dimensional vector space such that T is not nilpotent, but zero is the only eigenvalue of T. Characterize all such operators. Problem 5. Let A be an n × n matrix whose characteristic polynomial splits, γ be a cycle of generalized eigenvectors corresponding to an eigenvalue λ, and W be the subspace spanned by γ. Define γ′ to be the ordered set obtained from γ by reversing the...

  • Vectors pure and applied Exercise 5.7.13 Let U be a finite dimensional vector space over F...

    Vectors pure and applied Exercise 5.7.13 Let U be a finite dimensional vector space over F and let a, B: UU he linear. State and prove necessary andsufficient conditions involving α(U) and β(U) for the existence ofa linear map γ : U-+ U with α γ β. When is γ unique and Explain how this links with the necessary and sufficient condition of Exercise 5.7.1 Generalise the result of this question and its parallel in Exercise 5.7.1 to the case...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT