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30 Aug 2019: 2. 1 (i) If A > 0 and N is a positive integer, define KA,N : T2 R by. ... and1. (2π)2. T2. KA,N (s, t) ds dt = 1. By considering functions of the form.

17 Jun 2019: c k cot ka = 0. Find the minimum value of V0 for this equation to have a solution. ... Giventhat. 〈x〉 =1. 2k(ka tan ka),. discuss briefly the possibility of 〈x〉 being greater than a.

17 Jun 2019: Hence a 7 ax 7 S(Ka)I, so our fourth equation is. ... Level 1 k1 = K s1 = S(C(0),S0 = •) K1 = Ka S1 = Sab.

30 Aug 2019: Show that a Killing covector ka satisfies. ka;bc = Rabcdkd. A spacetime is said to be static if it possesses a timelike Killing covector ka whichis hypersurface-orthogonal. ... with ρ p > 0 then the fluid 4-velocity ua is parallel to ka. [

17 Jun 2019: Let. KA = {X Mnn(R) | [A, X] = 0}LA = {[A, X] | X Mnn(R)}. ... Show that KA and LA are linear subspaces of Mnn(R). If A and B are similar, showthat KA = KB and LA = LB.

30 Aug 2019: a) There exists a timelike Killing vector Ka such that LKgab = LKρ = LKp = 0. ... b) The velocity Ua is proportional to Ka. Express Ua in terms of Ka and hence show that.

17 Jun 2019: A Killing vector field Ka of a metric gab satisfies. Ka;b Kb;a = 0. ... Hence show that a constant vector field Ka with one non-zero component, K4 say, is aKilling vector field if gab is independent of x4.

30 Aug 2019: kaakb = κkb. evaluated on the horizon, where ka is the time translation Killing vector.

17 Jun 2019: Let. Q(k) = aR′ (a)R(a). kaj′ (ka)j(ka). Obtain the relation. tan δ =Q(k)j2(ka)ka. ... Q(k)n(ka)j(ka)ka 1. Suppose thattan δ. γ. k0 k,. for some , with all other δ small for k k0.

30 Aug 2019: MATHEMATICAL TRIPOS Part III. Tuesday 12 June 2001 9 to 12. PAPER 76. COMBINATORIAL NUMBER THEORY. Attempt any THREE questions. The questions carry equal weight. You may not start to read the questions. printed on the subsequent pages until.

17 Jun 2019: What distinguishes a stationary metric from a“static” metric? A Killing vector field Ka of a metric gab satisfies. ... Ka;b Kb;a = 0. Show that this is equivalent to. gab,cKc gacKc,b gcbKc,a = 0.

17 Jun 2019: If Ka are the components of a contravariant vector field and gab the componentsof a metric tensor, let. ... In a particular co-ordinate system (x1,x2,x3,x4), it is given that Ka = (0, 0, 0, 1),Qab = 0.

30 Aug 2019: iii) Deduce from Plünnecke’s inequality that if A is a subset of an Abelian group,|A A| 6 C|A| and k, l are positive integers, then |kA lA| 6

17 Jun 2019: For all N, find integers ka(N) and kb(N)such that. kb(N). k=ka(N).

17 Jun 2019: cosh kx cosh ka),. where k is a constant such thatlk = 2 sinh ka.

17 Jun 2019: Let N(k) = aR′(a)/R(a). Show that. tan δ(k) =N(k) j(ka) kaj′(ka)N(k) n(ka) kan′(ka).

17 Jun 2019: tan(ka δ0). ka=. tan κa. κa,. where κ2 = k 2 γ 2. ... Part II, Paper 2 [TURN OVER. 22. 36B General Relativity. A vector field ka which satisfies.

30 Aug 2019: MATHEMATICAL TRIPOS Part III. Monday 9 June 2003 1.30 to 4.30. PAPER 56. BLACK HOLES. Attempt THREE questions. There are four questions in total. The questions carry equal weight. You may not start to read the questions. printed on the subsequent

30 Aug 2019: where ka is the Killing vector associated with time translations. Briefly describe why thisintegral should be proportional to the mass.

30 Aug 2019: MATHEMATICAL TRIPOS Part III. Friday 6 June 2008 9.00 to 12.00. PAPER 65. APPLICATIONS OF DIFFERENTIAL GEOMETRY TO PHYSICS. Attempt FOUR questions. There are SEVEN questions in total. The questions carry equal weight. STATIONERY REQUIREMENTSCover

30 Aug 2019: EITHER : The Herbrand quotient and its role in norm index calculations for L/Ka cyclic extension of p-adic fields.

30 Aug 2019: ka and the final state is a fernionic particle of 4-momentum qa and a scalar with 4-.

30 Aug 2019: spacelike) Killing vector. ka. xa=. z. and that the d-dimensional background metric is of the form.

30 Aug 2019: S = 12. (. F F kA F F). (1). where F is a four-form and A a three-form such that F = dA, and k is a constant.

30 Aug 2019: ii) Let Ka be a solution to the Killing equation (aKb) = 0.

30 Aug 2019: akb > 0 for any null vector ka. Show that, if the above metric satisfies the Einsteinequation with an energy-momentum tensor satisfying the null energy condition then.

30 Aug 2019: M =3. 32πlim. r. dk ,. where ka = (/t)a. The integral is taken over a constant t ,r surface at infinityand the orientation is dt dr dψ dθ dφ.

30 Aug 2019: MAT3, MAMA. MATHEMATICAL TRIPOS Part III. Wednesday, 5 June, 2019 1:30 pm to 3:30 pm. PAPER 335. DIRECT AND INVERSE SCATTERING OF WAVES. Attempt no more than TWO questions. There are THREE questions in total. The questions carry equal weight.

30 Aug 2019: MKomar(r) = 1. 8π. S2r. dk,. where ka = (/t)a. The integral is taken over a constant t ,r surface and theorientation is dtdrdθdϕ.

17 Jun 2019: E =12(E0 E1 4A cos ka). 12. (E0 E1)2 16A2 cos2 ka.

30 Aug 2019: MATHEMATICAL TRIPOS Part III. Wednesday, 8 June, 2011 9:00 am to 12:00 pm. PAPER 53. COSMOLOGY. Attempt no more than THREE questions. There are FOUR questions in total. The questions carry equal weight. STATIONERY REQUIREMENTS SPECIAL REQUIREMENTS.

17 Jun 2019: Sketch the ground state energy eigenfunction χ(x) and show that its energy isE =. 2k2. 2m , where k satisfies. tan ka = k2mV0. 2 k2.

17 Jun 2019: MATHEMATICAL TRIPOS Part II 2003. List of Courses. Geometry of SurfacesGraph TheoryNumber TheoryCoding and CryptographyAlgorithms and NetworksComputational Statistics and Statistical ModellingQuantum PhysicsStatistical Physics and

17 Jun 2019: MATHEMATICAL TRIPOS Part II 2004. List of Courses. Geometry of SurfacesGraph TheoryNumber TheoryCoding and CryptographyAlgorithms and NetworksComputational Statistics and Statistical ModellingQuantum PhysicsStatistical Physics and

17 Jun 2019: tanh (κa). κa=. tan (ka δ0). ka. where κ2 = γ2 k2.

30 Aug 2019: b) When ka 1, approximate the dispersion relation by. D(k, ω) D approx(k, ω) 2ω 2ka 2k2a2.

17 Jun 2019: Sketch the ground state energy eigenfunction χ(x) and show that its energy isE =. 2k2. 2m , where k satisfies. tan ka = k2mV0. 2 k2.

17 Jun 2019: Giventhat. 〈x〉 = 12k. (ka tan ka),. discuss briefly the possibility of 〈x〉 being greater than a. ... Hint: consider the graph ofka cot ka against ka.]. Part IB, 2010 List of Questions.

30 Aug 2019: Prove that. D(ρ,σ) = max06M6I. Tr(M(ρ σ)). (1). (ii) To any POVM {Ea}ka=1, with Ea B(H), where H Cd, one can associate ameasurement map Φ

17 Jun 2019: Let K denote the 2n2n matrix with n copies of J1 on the diagonal,and zeros elsewhere, and suppose that KA = AK.

17 Jun 2019: MATHEMATICAL TRIPOS Part II 2006. List of Courses. Number TheoryTopics in AnalysisGeometry and GroupsCoding and CryptographyStatistical ModellingMathematical BiologyDynamical SystemsFurther Complex MethodsClassical DynamicsCosmologyLogic and Set

26 Nov 2019:  Gavin Ka Chun Cheung (High Energy Physics).  Antonio Girão (DPMMS).

17 Jun 2019: cosh kx cosh ka),. where k is a constant such thatlk = 2 sinh ka. ... Let K denote the 2n2n matrix with n copies of J1 on the diagonal,and zeros elsewhere, and suppose that KA = AK.

17 Jun 2019: E =12(E0 E1 4A cos ka). 12. (E0 E1)2 16A2 cos2 ka.

17 Jun 2019: E =1. 2(E0 E1 4 A cos ka). 1. 2. (E0 E1)2 16 A2 cos2 ka.

17 Jun 2019: tanh (κa). κa=. tan (ka δ0). ka. where κ2 = γ2 k2.

17 Jun 2019: Let. KA = {X Mnn(R) | [A, X] = 0}LA = {[A, X] | X Mnn(R)}. ... Show that KA and LA are linear subspaces of Mnn(R). If A and B are similar, showthat KA = KB and LA = LB.

17 Jun 2019: By considering the s-wave solution to the Schrödinger equation,. show thattan(ka δ0). ... ka=. tanh(. γ2 k2a). γ2 k2a. For low momenta, ka 1, compute the s-wave contribution to the total cross-section.Comment on the physical interpretation of your

17 Jun 2019: ka = i log(t. rr′. ). Part II, 2013 List of Questions [TURN OVER.

17 Jun 2019: By considering the s-wave solution to the Schrödinger equation,. show thattan(ka δ0). ... ka=. tanh(γ2 k2a). γ2 k2a. For low momenta, ka 1, compute the s-wave contribution to the total cross-section.Comment on the physical interpretation of your