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MATHEMATICAL TRIPOS Part IB Wednesday, 2 June, 2010 1:30 ...
https://www.maths.cam.ac.uk/undergrad/pastpapers/files/2010/PaperIB_2.pdf17 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. -
MATHEMATICAL TRIPOS Part III Thursday, 28 May, 2009 1:30 ...
https://www.maths.cam.ac.uk/postgrad/part-iii/files/pastpapers/2009/Paper7.pdf30 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. -
MATHEMATICAL TRIPOS Part III Thursday 31 May 2007 1.30 ...
https://www.maths.cam.ac.uk/postgrad/part-iii/files/pastpapers/2007/Paper61.pdf30 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. [ -
MATHEMATICAL TRIPOS Part IB Tuesday, 5 June, 2012 9:00 ...
https://www.maths.cam.ac.uk/undergrad/pastpapers/files/2012/PaperIB_1.pdf17 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. -
MATHEMATICAL TRIPOS Part III Thursday 29 May 2008 1.30 ...
https://www.maths.cam.ac.uk/postgrad/part-iii/files/pastpapers/2008/Paper63.pdf30 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. -
MATHEMATICAL TRIPOS Part II Monday 5 June 2006 9 ...
https://www.maths.cam.ac.uk/undergrad/pastpapers/files/2006/PaperII_1.pdf17 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. -
MATHEMATICAL TRIPOS Part III Monday 13 June, 2005 9 ...
https://www.maths.cam.ac.uk/postgrad/part-iii/files/pastpapers/2005/Paper62.pdf30 Aug 2019: kaakb = κkb. evaluated on the horizon, where ka is the time translation Killing vector. -
MATHEMATICAL TRIPOS Part II Alternative A Wednesday 4 June ...
https://www.maths.cam.ac.uk/undergrad/pastpapers/files/2003/PaperIIA_2.pdf17 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. -
MATHEMATICAL TRIPOS Part III Tuesday 12 June 2001 9 ...
https://www.maths.cam.ac.uk/postgrad/part-iii/files/pastpapers/2001/Paper76.pdf30 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. -
MATHEMATICAL TRIPOS Part II Alternative B Wednesday 2 June ...
https://www.maths.cam.ac.uk/undergrad/pastpapers/files/2003/PaperIIB_2.pdf17 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.
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