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Michaelmas Term 2023 T.A. Fisher Galois Theory: Example Sheet ...
https://www.dpmms.cam.ac.uk/study/II/Galois/2023-2024/galois_theory-23-4.pdf24 Nov 2023: Let a,b K such that the polynomials f = Xm a, g = Xm b are irreducible. ... Use asuitable Lagrange resolvent to find a Q(ζ3) such that K = Q(ζ3, 3. -
ANALYSIS II—EXAMPLES 1 Michaelmas 2018 Please email comments,…
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2018-2019/18sheet1.pdf12 Oct 2018: x). On the other hand, show that if fn does not convergeuniformly to f then we can find a convergent sequence xn x in [a,b] such that fn(xn) 6 ... a) Must there exist a sequence (fn) of continuous functions on [0, 1] such that fn f uniformly on [0, 1]?(b) -
Analysis II Example Sheet 3 Michaelmas 2006 MJW Corrections ...
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2006-2007/ex3.pdf10 Nov 2006: Does it follow that every open set must be. closed? Give an example of such a metric space. ... Show that thereexists a norm on C(I) such that the map sending f to y0. -
Analysis II Example Sheet 4 Michaelmas 2006 MJW Corrections ...
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2006-2007/ex4.pdf28 Nov 2006: ii) Suppose that f : R2 R is such that D1f = f/x exists and is bounded near (a,b), and. ... is a function l : U M such that exp(l(A)) = A for all A U. -
LENT 2024 j.smith@dpmms.cam.ac.uk GEOMETRY: EXAMPLES 4 1. Fix a ...
https://www.dpmms.cam.ac.uk/study/IB/Geometry/2023-2024/Geometry%20Sheet%204%20-%20student.pdf15 Apr 2024: b) Consider a polygonal decomposition of Σ such that at least three edges meet at each vertex andeach face has at least three edges. ... Deduce. that there exists δ > 0 such that in any hyperbolic triangle the union of the δ-neighbourhoods oftwo of -
STATISTICAL MODELLING Part IIC / Michaelmas 2023Example Sheet 1 ...
https://www.dpmms.cam.ac.uk/study/II/StatisticalModelling/2023-2024/ExampleSheet1.pdf27 Nov 2023: X̃1, that is, β̃1 = (X̃T1 X̃1). 1X̃T1 Ỹ. (c) Find a condition on X0 and X1 such that β̃0 = β̂0. ... b) The model is to be reparametrised in such a way that it can be specialised to (i) two parallellines for the two groups, (ii) two lines with -
Mapping class groupsProblem sheet 2 Lent 2021 1. What ...
https://www.dpmms.cam.ac.uk/study/III/MappingClassGroups/2020-2021/MCGs%20Sheet%202.pdf19 Jan 2021: Show that φis isotopic to the identity. 8. Let α,β be a pair of simple closed curves on a surface S, such thati(α,β) = 1. ... Let α,β be astandard pair of simple closed curves on S such that i(α,β) = 1, andlet γ be the boundary curve. -
GEOMETRY — Example Sheet 2TKC Lent 2009 1. Prove ...
https://www.dpmms.cam.ac.uk/~tkc10/Geometry_2009/Exercise_2.pdf20 Feb 2009: Show that every such transformationis an isometry for the hyperbolic metric. ... Every such quaternion q can be written asq0 q1i q2j q3k where. -
IA Groups – Example Sheet 1 Michaelmas 2023 hjrw2@cam.ac.uk ...
https://www.dpmms.cam.ac.uk/study/IA/Groups/2023-2024/Groups%20Example%20Sheet%201%202023.pdf5 Oct 2023: Theleast such n is called the order of g.). (b) Show from first principles that there is a positive integer N such that gN = e for all g G. ... 9. Let H and G be groups and let X G such that 〈X〉 = G. -
ANALYSIS II—EXAMPLES 3 Mich. 2018 Please email comments, corrections…
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2018-2019/18sheet3.pdf13 Nov 2018: Supposethat there is a constant K such that ‖F(t,x) F(t,y)‖ K‖xy‖ for all t [0, 1] and all x,y B. ... Letx1,x2 Rn. By the Picard–Lindelöf theorem, we know that there is (0, 1] and differentiable functionsf1,f2 : [0,] B such that dfjdt = F(t,fj -
ANALYSIS II—EXAMPLES 1 Mich. 2014 Please email comments, corrections…
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2014-2015/14sheet1.pdf20 Oct 2014: On the other hand, show that if fn does notconverge uniformly to f then we can find a convergent sequence xm x in [a,b] such that fn(xn) 6 ... a) Must there exist a sequence (fn) of continuous functions on [0, 1] such that fn f uniformly on [0, 1]?(b)? -
Analysis II Michaelmas 2017 Example Sheet 2 1. Let ...
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2017-2018/AnalysisII_2017_Ex2.pdf23 Oct 2017: b) If (fn) does not converge uniformly, show that there is a convergent sequence (xm) x [0, 1] such that (fn(xn)) does not converge to f(x). ... a) The space Cb(R) of bounded continuous functions on R.(b) The space C0(R) of continuous functions f : R R -
Mapping class groupsProblem sheet 2 Michaelmas 2019 1. What ...
https://www.dpmms.cam.ac.uk/study/III/MappingClassGroups/2019-2020/MCGs%20Sheet%202.pdf12 Nov 2019: Show that φis isotopic to the identity. 8. Let α,β be a pair of simple closed curves on a surface S, such thati(α,β) = 1. ... Let α,β be astandard pair of simple closed curves on S such that i(α,β) = 1, andlet γ be the boundary curve. -
ANALYSIS II EXAMPLES 1 G.P. Paternain Mich. 2003 The ...
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/es1-03.pdf21 May 2005: 1. 2 ANALYSIS II EXAMPLES 1. (ii) If fn does not converge uniformly, show that we can find a convergent sequence xn x in[a,b] such that fn(xn) does ... derivative’ limh0+ ((f(h) f(0))/h),and similarly for f′(1)), but such that f′ is unbounded on [0, -
ANALYSIS II EXAMPLES 1 G.P. Paternain Mich. 2002 The ...
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/es1-02.pdf21 May 2005: 1. 2 ANALYSIS II EXAMPLES 1. (ii) If fn does not converge uniformly, show that we can find a convergent sequence xn x in[a,b] such that fn(xn) does ... derivative’ limh0+ ((f(h) f(0))/h),and similarly for f′(1)), but such that f′ is unbounded on [0, -
METRIC AND TOPOLOGICAL SPACES, SHEET II: 2019 1. Let ...
https://www.dpmms.cam.ac.uk/study/IB/MetricTopologicalSpaces/2018-2019/MetandTopI2.pdf17 May 2019: Show. there exist disjoint open sets U1 and U2 such that Ci Ui.8. ... continuous path. f : [0, 1] Xconnecting a and b such that f is a homeomorphism onto its image. -
Mich. 2013 ANALYSIS II—EXAMPLES 1 PAR 1. Which of ...
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2013-2014/13sheet1.pdf23 Oct 2013: 11 fn 6 0. Is it possible to find such a sequence with |fn(x)| 1 for all n and for all x? ... On the other hand, show that if fn does notconverge uniformly to f then we can find a convergent sequence xm x in [a,b] such that fn(xn) 6 -
ANALYSIS II—EXAMPLES 2 Mich. 2015 Please email comments, corrections…
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2015-2016/15sheet2.pdf2 Nov 2015: Fix j, let > 0 and choose a partition P = {a = a0 < a1 <. < an = b} such thatU(P,f) L(P,f) < j1. Let K = {k : Ej (ak,ak1) 6= }. Then Ej ... an = b} be any partition of [a,b] such thataj1 aj < δ, and let J = {j : [aj,aj1] F 6= }. Show that sup[aj,aj1] f -
ANALYSIS II—EXAMPLES 1 Mich. 2015 Please email comments, corrections…
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2015-2016/15sheet1.pdf16 Oct 2015: On the other hand, show that if fn does notconverge uniformly to f then we can find a convergent sequence xm x in [a,b] such that fn(xn) 6 ... a) Must there exist a sequence (fn) of continuous functions on [0, 1] such that fn f uniformly on [0, 1]?(b)? -
DIFFERENTIAL GEOMETRY (PART III) MICHAELMAS 2021 EXAMPLE SHEET 2 ...
https://www.dpmms.cam.ac.uk/files/study/III/DifferentialGeometry/2021-2022/DGSheet2.pdf1 Nov 2021: Fix such an n and prove the theorem as follows. (a) Show directly that a nowhere-zero vector field on Sn induces a homotopy from the identityto the antipodal map. ... b) Use de Rham cohomology to prove that no such homotopy exists.
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