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Michaelmas Term 2003 J. M. E. Hyland Linear Algebra: ...
https://www.dpmms.cam.ac.uk/~jmeh1/Teaching/2ndla03.pdf12 Aug 2008: 2. Let A and B be n n matrices over a field F. ... 3. Let C be an n n matrix over C, and write C = A iB, where A and B are real n n matrices. -
Michaelmas Term 2003 J. M. E. Hyland Linear Algebra: ...
https://www.dpmms.cam.ac.uk/~jmeh1/Teaching/4thla03.pdf12 Aug 2008: 1. Which of the following symmetric matrices are congruent to the identity matrix (a) over Q, (b) over Rand (c) over C? (. ... Try to get away with the minimum calculation.]. 2. Find the rank and signature of the following quadratic forms over R. -
Michaelmas Term 2008 T.A. Fisher Linear Algebra: Example Sheet ...
https://www.dpmms.cam.ac.uk/study/IB/LinearAlgebra/2008-2009/lin_alg-08-4.pdf28 Nov 2008: 1. The square matrices A and B over the field F are congruent if B = P T AP for some invertible matrixP over F. ... Which, if any, over Q?) Try to get away with the minimum calculation.(. -
ON THE CARTAN MAP FOR CROSSED PRODUCTS ANDHOPF-GALOIS EXTENSIONS ...
https://www.dpmms.cam.ac.uk/~sjw47/HopfGalois.pdf27 Feb 2008: Moreover, the restriction of a finitely generated A-module is finitelygenerated over B. ... action explained in the proof of Proposition 2.3. The latter module is just a directsum of dim V copies of ResAB(M) and is hence finitely generated over B. -
Lent Term 2008 M. Strauch Number Fields: Example Sheet ...
https://www.dpmms.cam.ac.uk/study/II/NumberFields/2007-2008/course_L08_ex1.pdf20 Jan 2008: b) Determine which of the following polynomials are irreducible over Q: X3X 1, X3X 2,X3 X 3. ... 2,. 7) over Q. You may assume that G = {1,α,β,αβ}where. -
Michaelmas Term 2003 J. M. E. Hyland Linear Algebra: ...
https://www.dpmms.cam.ac.uk/~jmeh1/Teaching/3rdla03.pdf12 Aug 2008: Find the dual basis for R3. 4. Let V be a 4-dimensional vector space over R, and let {ξ1,ξ2,ξ3,ξ4} be the basis of V dual to the ... Verify that (DS) = SD and (SD) = DS. 16. For A an n m and B an m n matrix over the field F, let τA(B) denote -
BT08 Part II Representation Theory Sheet 4 Unless otherwise ...
https://www.dpmms.cam.ac.uk/study/II/RepresentationTheory/2007-2008/repex4.pdf28 Feb 2008: BT08. Part II Representation Theory Sheet 4. Unless otherwise stated, all vector spaces are finite dimensional over C. ... Q.8 (a) Let G be a compact group. Show that there is a continuous group homomorphismρ : G O(n) if and only if G has an -
PART II REPRESENTATION THEORYSHEET 4 Unless otherwise stated, all ...
https://www.dpmms.cam.ac.uk/study/II/RepresentationTheory/2008-2009/repex4.pdf17 Nov 2008: PART II REPRESENTATION THEORYSHEET 4. Unless otherwise stated, all vector spaces are finite-dimensional over C. ... : a,b,x Fp. of 3 3 upper unitriangular matrices over the finite field Fp of p elements (p prime).Show that G has p -
Example sheet 4, Galois Theory, 2007. 1. (i) Let ...
https://www.dpmms.cam.ac.uk/study/II/Galois/2007-2008/ex4.pdf4 Feb 2008: over Q(ζ). Determine the possible Galois groups of L over Q(ζ). ... ii) Find the Galois group of f(x) = x4 4x 2 over Q and over Q(i). -
Michaelmas Term 2008 T.A. Fisher Linear Algebra: Example Sheet ...
https://www.dpmms.cam.ac.uk/study/IB/LinearAlgebra/2008-2009/lin_alg-08-2.pdf31 Oct 2008: 5. Let A and B be n n matrices over a field F. ... 13. Let C be an n n matrix over C, and write C = A iB, where A and B are real n n matrices.
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