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16 Dec 2015: possible area is an arc of a circle passing through A and B. ... φ(s,v) = α(s) r(n(s) cos v b(s) sin v). where n = n(s) and b = b(s) are the normal and binormal vectors of α.

25 Jun 2015: Then we may choose smooth functions ϕi : M [0, 1] such that supp(ϕi) int(Vi) and p(ν K) (. ϕi)1(1) and choose B =. B(A, ϕ1,. , ϕr) A ... Our choice of B guarantees that the linearcombination s =. ϕisi has s A.

22 Jan 2015: likelihood estimate of θ is (2a b)/(b 2c). 4. (a) Let X1,. ... b) For some n > 2, let X1,. ,Xn be iid with Xi Exponential(θ).

11 Feb 2015: 5. Let p : E B be a Serre fibration, e0 E, b0 = p(e0), F = p1(b0). ... Fi //. Ep //. p. B. {b0} // B B. and show using the naturality of the Serre spectral sequence that the compositions.

14 Oct 2015: algebra. 1.2. Show that the following sets of subsets of R all generate the same σ-algebra:(a) {(a,b) : a < b}, (b) {(a,b] : a < b}, (c) {(,b] : b ... 1.8. Let B be a Borel subset of the interval [0, 1].

25 Feb 2015: iii) Show that the map. H(A)iA H(M) [M] Hn(M). (iB) Hn(B). ... w(F), [Hint: sum of vector bundles is given by pulling backE F B B along the diagonal; relate and Th(E F) to Th(E) and Th(F)].

5 Feb 2015: 3. Two players A and B play a best of 5 set tennis match. ... Hint: Recall that H(A,B) = H(A|B) H(B).](b) Show that. H(I|Y,X) = 0H(Y |I,X) = P(I = 0)H(Y |I = 0,X)

4 Feb 2015: 3. Two players A and B play a best of 5 set tennis match. ... Hint: Recall that H(A,B) = H(A|B) H(B).](b) Show that. H(I|Y,X) = 0H(Y |I,X) = P(I = 0)H(Y |I = 0,X)

20 Nov 2015: 6. Let f : X Y. Let A, B X and C, D Y. ... For each of claims (a)–(f) below, give aproof or counter-example. (a) f(AB) = f(A)f(B) (b) f1(C D) = f1(C)f1(D)(c) f(AB) =

4 Feb 2015: possible area is an arc of a circle passing through A and B. ... φ(s,v) = α(s) r(n(s) cos v b(s) sin v)where n = n(s) and b = b(s) are the normal and binormal vectors of α.