2.12 Let K be a field and consider the vector space V -FCT(M, K) over K from Example 2.1.2 c) whe...
Let F be a field and V a vector space over F with the basis {v1, v2, ..., vn}. (a) Consider the set S = {T : V -> F | T is a linear transformation}. Define the operations: (T1 + T2)(v) := T1(v) + T2(v), (aT1)(v) = a(T1(v)) for any v in V, a in F. Prove tat S with these operations is a vector space over F. (b) In S, we have elements fi : V -> F...
6. (i) Prove that if V is a vector space over a field F and E is a subfield of F then V is a vector space over E with the scalar multiplication on V restricted to scalars from E. (ii) Denote by N, the set of all positive integers, i.e., N= {1, 2, 3, ...}. Prove that span of vectors N in the vector space S over the field R from problem 4, which we denote by spanr N,...
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...
linear algebra please help on both questions 2. Let V be an n-dimensional vector space over C. Classify, up to similarity, all JE C(V), where2-Idy 3. Recall in assignment 2, no. 7, you showed UoM-lv where U, M E C(V), V-Fİrl,Ms Mr maps p to ap, and U maps 1 to 0 and a to for nEN a. Show that 0 E σ(M). b. Show 0 is not an eigenvalue of M. c. Define an inner product on V: Flr]...
Let pEN be a prime and let V be a vector space over Zp with dimension n. Show that |v| = pn. Let pEN be a prime and let V be a vector space over Zp with dimension n. Show that |v| = pn.
4. Let v={[a -.:a,nccc} Note that V is a vector space over R. View V as a R-vector space. (a) Find a basis for V over R. (b) Let W be the set of all matrices M in V such that M21 = -M12, where denotes complex conjugate. Show that W is a subspace of V over R and find a basis for Wover
(3) Let V denote a vector space over the field F and let v,..., Un E V. (a) Show that span(vn, 2,. , Un) (b) Show that span (ui , U2 , . . . , vn) span(v)+ +span(vn). span(v1)@span(v2)㊥·..㊥8pan(vn) if and only if (vi , . , . , %) is linearly independent.
Let V be a vector space over a field F, and let U and W be finite dimensional subspaces of V. Consider the four subspaces X1 = U, X2 = W, X3 = U+W, X4 = UnW. Determine if dim X; <dim X, or dim X, dim X, or neither, must hold for every choice of i, j = 1,2,3,4. Prove your answers.
Let V be a vector space over R and let v1, ..., Un each be a vector in V \{0}. Show that (v1, ..., Un) is linear independent if and only if span(V1, ..., vi) n span(Vi+1, ..., Un) = {0} for all i = 1,...,n - 1
7.3 (Eigenvalues II) Let V be a vector space over K and let f,g E End(V). Show that: a) If-1 is an eigenvalue of ff, then 1 is an eigenvalue of f3. b) If u is an eigenvector off o g to the eigenvalue λ such that g(v) 0, then g(v) is an eigenvector of g o f. If, in addition, dim V < oo,then f o g and go f have the same eigenvalues c) If {ul, unt is...