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6 Mar 2008: 1. Which of the following propositions are tautologies?(a) (A B) (B A). ... b) A A.(c) (A B) (B A). (d) (A B) ((A B) A).

9 Jun 2008: f (z) = 1 ab. cz. a(a 1) b(b 1)1 2 c(c 1). ... b) (1 z)a = F (a, b, b; z).(c) sin1 z = zF ( 12 ,. 12 ,. 32 ; z. 2).6. Consider the matrix form of the Riemann hypergeometric differential equation:.

30 Nov 2008: around (a, b), and that D2f exists at (a, b).Show that f is differentiable at (a, b).(b) Suppose instead that D1f exists and is bounded on some open ball ... around (a, b), and that for fixed xthe function y 7 f (x, y) is continuous.

27 Feb 2008: If M is an A-module and N is a B-module, then. ... in A, the following conditions hold:• if A,C B then B B,• if B,C B then A B.

4 Feb 2008: 5) Prove the statement (b) of problem (4) above by completing the following. ... 6) Let f : B B be a continuous map from the open disc B = {(x, y) R2 : x2 y2 < 1} into it-self.

15 May 2008: cz. a(a 1) b(b 1)1 2 c(c 1). z2. Find a formula for the nth coefficient when c is not an integer. ... b) (1 z)a = F(a,b,b; z).(c) sin1 z = zF( 12,.

19 Mar 2008: 4. Which of the following subsets of R2 are (a) open, (b) closed? ... 1. 2 ANALYSIS II EXAMPLES 2. 7. If A and B are subsets of Rn, we write A B for the set {a b : a A, b B}.

23 Feb 2008: b) If m < n, then every map Sm Sn is homotopic to a. ... Suppose that the maps A A′, B B′, D D′, and E E′.

27 Aug 2008: The derivation! B Promotion! B! B;! B; C Contraction!B; C Cut!; Cis reduced to! ... B Promotion! B! B Promotion! B! B;! B; C Cut!;! B; C Cut!;! ;

3 Mar 2008: Hn1(K) Hn(A B). f. . . y. . . y. f. ... Hn1(K′). Hn(A′ B′). (b) Show that if the homomorphisms Hn(A B) Hn(A′.