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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.

19 Jul 2019: 2=. mM. hm M. p(m M)2 4mM cos2(ka). i. The resulting dispersion relation is sketched in Figure 57 in the first Brillouin zone. ... This is because it is. valid only at long wavelengths, ka 1.

6 Nov 2019: or B = 0 , cos(ka) = 0 ,. ψ(x) = A cos(kx) , k =nπ. ... C cos(la) = A exp(ka) , (4.40)lC sin(la) = kA exp(ka).

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: 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.

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.

18 Oct 2019: non-negative, because. n = nhn|ni = hn|N |ni = hn|A†A|ni = kA|nik2 0 (3.11). ... Taking the norm of both sides shows that. |cn|2 = kA†|nik2 = hn|AA†|ni = hn|N 1|ni = n 1.

23 Jul 2019: 9. iST. OC. K.C. OM. / A. NJO. KA. NFO. TOG. ... iST. OC. K.C. OM. / A. NJO. KA. NFO. TOG. RAFI.

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.