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6 May 2011: c) Give a topology on R which is neither trivial nor discrete such that every open set isclosed (and vice-versa). ... Prove the following:. (a) G is homogeneous: given any x, y G there is a homeomorphism φ : G G such thatφ(x) = y.

29 Apr 2010: c) Give a topology on R which is neither trivial nor discrete such that every open set isclosed (and vice-versa). ... Prove the following:. (a) G is homogeneous: given any x, y G there is a homeomorphism φ : G G such thatφ(x) = y.

29 Jan 2010: The irreducibility of Sp(χ) for such a prime pin conjunction with a) implies that Φq,χ = 0. ... Since GẐ acts transitively on |MK |,. there exists a positive constant cn Q such that for every x |M|,.

27 Feb 2015: Does there exist c (a,b)such tat f(b) f(a) = f′(c)(ba)?(v) Let f: Rn Rn be a C1 map with ‖Df(x)I‖ 1/2 for ... continuous function g: Bε(I) Mn such that g(A)2 = A for all A Bε(I).

4 May 2006: b) Give a topology on R which is neither trivial nor discrete such that every open set isclosed (and vice-versa). ... a) Prove (R, TS ) is Hausdorff. (b) Prove (R, TS ) is not metrisable.

20 Oct 2014: Prove that there are. subsets A X and B G such that |η(A,B) δαβ| θ, where θ > 0 depends on γ andδ only. ... x1,. ,xk such that no xi xj with i,j distinct is a quadratic residue mod p.

16 Jul 2014: singularities is a real manifold Bwith an open subset B0 B, with := B B0 of codimension 2, such that B0 has the structure of an integral affine manifold.We also allow ... X Spec k[[t]]. such that the special fibre satisfies. X0 =. σPmax. Pσ. and the

25 Apr 2002: 3. dy. 2. eyf in y and finally (the most important part) cleverly choose u and v in such a way that d. ... d. 2. equal to 3e, or it may be that, although such a choice exists, the dependence of u and v on a, b and c is so complicated that we

20 Sep 2004: And yet there doesn't seem to be such a fact of the matter. ... Similarly, if B={x:Q(x)} then the statement "A cap B = emptyset" means nothing more than that there is no x such that P(x) and Q(x).

27 Oct 2023: Calculate d = (a, b) and find integers r and s such that ra sb = d when. ... iii) Find constants c and d such that λ(a, b) c log b d.

14 Jun 2018: an〉 such that for all i < n 1, ai 6= ai1, and that〈a0,. ... C0 I is symmetrical. C1 For two distinct elements a and b there is a unique c such that I(a,c) andI(b,c).

11 May 2001: 1/2. , so two such numbers must multiply to something of modulus at least 5. ... Analogues of Euclid's algorithm work in other contexts, such as the ring of all polynomials with rational coefficients.

5 Nov 2009: Then there is a subset B A of size β such that all theunordered γ-tuples from it are in the same piece of the partition. ... b) the property of relative largeness which plays such a central rôle inParis -Harrington is ill-typed in at least two senses.

19 Dec 2014: if B = {min(Xα) : α < κ} is stationary.(iii) If {Xα : α < κ} is pairwise disjoint, then there exists a [κ]κ such that. ... Prove that there exists a family F of2κ stationary subsets of S such that if A 6= B F , then A B and B A arestationary in

19 Dec 2014: i) Prove that 20 = 1 implies the following assertion SD :there exist sets A and B such that R2 = AB and Al and Bm are countablefor every horizontal line l and ... exist x1 and x2 such that x1 6 f(x2) and x2 6 f(x1).

7 Aug 2002: A formal statement of the result to be proved. Let X and Y be metric spaces and let f be a function from X to Y such that f. ... in U (for the reason I have just given) and such that [f(y) is in U] implies [d(f(x),f(y)) < a].

25 Nov 2002: We also know that CxB is a subset of AxB, and that the set-theoretic difference AxB-CxB consists of all ordered pairs (m,x) such that x is in B. ... me that if m> n then there is a unique positive integer t such that nt=m.

9 Apr 2012: Obviously we want I and II be the least fixedpoints for these two operations, and since P and b are both monotone functionson the complete poset 〈V,〉 there will be such ... More generally, butless idiomatically, we can write:. There is no -least set

10 Mar 2017: Provethat A contains an infinite set B such that no point of B is a convex combination of otherpoints of B. ... 6. Show that every graph G has a partition of its vertex-set as X Y such that the numberof edges from X to Y is at least 12e(G).

29 Mar 2007: The intuitionistic correctness of wffs such as. 4. A (B C). ... B (A C) reveals an infinite family of terms such as.