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21 May 2005: A.G.Thomason@dpmms.cam.ac.uk - 1 - 24 January 2005. 13) Prove that a graph G is k-connected iff |G| k 1 and for any U V (G) ... A.G.Thomason@dpmms.cam.ac.uk - 2 - 24 January 2005.

21 May 2005: 4n 3} then G contains a cycle of length 4. 24) Let G be a graph of order n and let G1,.

21 May 2005: 24) Show that the repetition code of length n is perfect if and only if n is odd.

30 Jun 2005: Green [25].The method is still paying dividends, cf. [3, 24]. Let be an arbitrary smooth 2-form. ... Math. 246, Amer. Math. Soc., Providence, RI, 1999. [24] N. Gouda, A theorem of E.

21 May 2005: 3. (i) Show that X4 2X 2 and X4 18X2 24 are irreducible in Q[X].(ii) Are X3 9 and X4 8 irreducible in Q[X]?(iii) Show that X4

12 Apr 2005: Hypergraph Regularity and the multidimensional Szemerédi Theorem. W. T. Gowers. Abstract. We prove analogues for hypergraphs of Szemerédi’s regularity lemma and the. associated counting lemma for graphs. As an application, we give the first

30 Jan 2005: But what we need is simply a Hamilton path from 0to 54 in G3 [[0, 21] {24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60}], for which ... 0, 3, 1, 4, 7, 10, 13, 16, 19, 57, 60, 20, 17, 14, 11, 8, 5, 2, 6, 9, 12, 15, 18, 21,24, 27, 30, 33, 36, 39, 42,

12 Nov 2005: Find a monic polynomial over Z of degree 4 whoseGalois group is V = {e, (12)(34), (13)(24), (14)(23)}.(ii) Let f Z[X] be monic and separable of degree

23 Mar 2005: DIFFERENTIAL GEOMETRY, D COURSE, 24 LECTURES. • Smooth manifolds in Rn, tangent spaces, smooth maps and the inverse func-tion theorem. ... O’Neill, Elementary Differential Geometry, Harcourt 2nd ed 1997.1. 2 DIFFERENTIAL GEOMETRY, D COURSE, 24

4 Apr 2005: Such an L can always be obtainedby adjoining sufficiently many roots of unity to K [15, Corollary to Theorem 24]and is called a splitting field for. ... Using [7, Theorem 7.24], we see that the graded ringgr kN of kN with respect to the Jadic filtration