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30 Aug 2019: b) Write down the matrix Ax = (Nj (xi)), and evaluate the norm ‖A1‖. ... x ti). Prove also that. (b) b. a. Mi(t)dt = 1, (c)n.

17 Jun 2019: Each section B question has a number and a letter (for example, 11S). ... 5]. (b) B and C are real non-zero 3 3 matrices and satisfy the equation.

17 Jun 2019: Each section B question has a number and a letter (for example, 2Y). ... 2]. (b) The probability density function for a continuous random variable X is.

30 Aug 2019: b) Show that. dλi 1. 2fijkλ. j λk = 0,. where the constants fijk should be determined. ... Part III, Paper 55. 3. 3. Define a principal bundle (π, P, B, G).

30 Aug 2019: Illustrate how to solvethe word problem for G, giving examples. You may assume that [b, a] = [a, b]1, [ab, c] = [a, c]b[b, c], and [a, bc] = [a, ... 4. (i) Let A and B be isomorphic subgroups of a finite group G.

17 Jun 2019: A B) = B ( A) A ( B). [6]. (ii) State the divergence theorem, and use it to show that for a scalar field a(x,y,z) andvector field ... b) the integrand F has no explicit dependence on x, F = F(y,y′).

17 Jun 2019: Show that if a = a′, b = b′ and c = c′, thenthere is a hyperbolic isometry taking ABC to A′B′C′. ... Is there always such an isometry ifinstead the triangles have one angle the same and a = a′, b = b′?

12 Jul 2023: c) Briefly define the parallel transport map PAγ : Eγ(0) Eγ(1) associated to a pathγ : [0, 1] B. ... Assuming that µ(b) End(Eb) is anisomorphism for some b B, show that it is an isomorphism for all b.

17 Jun 2019: Must there exist a A and b B such that d(a, b) 6 d(x, y)for all x A and y B? ... B = b[r (kẑ lŷ)ẑ r px̂(ŷ r) nẑ(x̂ r)],. where b 6= 0, r = (x, y, z) and x̂, ŷ, ẑ are unit vectors in the x,

4 Aug 2022: y b. x= 0,. where b = b(x,y,t), ψ = ψ(x,y,t), 1 is a constant parameter and. ... 10]. (c) State Parseval’s identity and use the results from part (b) to evaluate.

20 Jul 2021: Let M be an A-module, and let MB denote the B-module withunderlying group M and multiplication bm = ϕ(b)m for b B, m M. ... Show that Supp s is a closed subset of X. (b) Let Z X be a closed subset of X.

30 Aug 2019: Prove that if (X, B, µ, T) is a weak mixing system then. ... What are the ergodic components of the circle rotation (R/Z, B, m, R1/5)?

30 Aug 2019: Prove that. (a) if ξ Irr(T |θ) then ξG Irr(G|θ);(b) the map ξ 7 ξG is a bijection of Irr(T |θ) onto Irr(G|θ). ... Assume K = A B {1}. Prove that there exists a generalised character ξ of K such thatξ(a) = 1 for all a A and ξ(b) = 0 for all b B.

17 Jun 2019: A, B] AB BA. Show that [A, A] = 0; [A, B] = [B, A]; and [A, λB] = λ[A, B] for λ C. ... Use it to show that if f : (a, b) R is a differenti-.

30 Aug 2019: in particular B = B(0, 1). ... B(x0,ρ)|u|2dx 6 C4ρ. 12α(. ‖u‖2L2(B) ‖f‖2L2(B). ). , B(x0, ρ) B.

17 Jun 2019: and B = UΛBU†,. where ΛA and ΛB are diagonal matrices and U is unitary. ... 4]. For such matrices A and B, using this result, or otherwise, show that.

17 Jun 2019: b) Calculate the slope of the path dy/dx at the point (12,. ... Notation: a b is equivalent to a b.]. (b) For vectors a, b, c and d, show that.

3 Aug 2022: Find a, b, and the corresponding value of E, in terms of l. ... The weights b1,. ,bn and nodes. c1,. ,cn are chosen so that the Gaussian quadrature formula for a function f C[a,b] b.

17 Jun 2019: Use it to compute 3803 (mod 17). (b) The Fibonacci numbers F0, F1, F2,. ... n=1. fn(A) = and f(B) = B. [Here fn denotes the n-fold composite of f with itself.].

17 Jun 2019: A plane electromagnetic wave with a magnetic field B = B(t,x,z)ŷ, travelling inthe xz-plane at an angle θ to the x-direction, is incident on the interface ... An electron is at rest in the presence of a magnetic field B = (B, 0, 0), andexperiences an