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- 19:05, 10 December 2008 (diff | hist) . . (+31) . . Chapter 22, Problem 12 MA453Fall2008walther
- 18:50, 10 December 2008 (diff | hist) . . (+413) . . N Chapter 22, Problem 12 MA453Fall2008walther (New page: I think this is right... Say <math>F = Z_2[x]/<x^5 + x^3 + 1></math> Then F = {<math>ax^4 + bx^3 + cx^2 + dx + e</math> | a, b, c, d, e in <math>Z_2</math>} So |F| = 32 and |F*| = 31 T...)
- 20:36, 3 December 2008 (diff | hist) . . (+138) . . N Chapter 21, Problem 30 MA453Fall2008walther (New page: If n=2 and a is a perfect square, for example 9, then <math>Q(9^{1/2}) = Q(3)</math> which is a degree one extension over Q, not degree 2.) (current)
- 17:49, 19 November 2008 (diff | hist) . . (+577) . . Chapter 20, Problem 21 MA453Fall2008walther (current)
- 21:59, 12 November 2008 (diff | hist) . . (+428) . . Chapter 17, Problem 6 MA453Fall2008walther
- 13:23, 5 November 2008 (diff | hist) . . (+287) . . Question 34 MA453Fall2008walther (current)
- 08:08, 29 October 2008 (diff | hist) . . (+597) . . N Chapter 15, Problem 33 MA453Fall2008walther (New page: <math>n = a_k*10^k + ... + a_0*10^0</math> Say<br /> <math>\phi: Z \to Z_3</math> <br /><math>10 \mapsto 1</math> n is divisible by 3 if and only if <math>\phi(n) = 0</math> <math>\phi(...) (current)
- 14:59, 22 October 2008 (diff | hist) . . (+160) . . Chapter 13, Problem 10 MA453Fall2008walther
- 13:53, 22 October 2008 (diff | hist) . . (+239) . . Chapter 13, Problem 10 MA453Fall2008walther
- 16:07, 1 October 2008 (diff | hist) . . (+424) . . Supplementary Question 2 MA453Fall2008walther
- 18:21, 24 September 2008 (diff | hist) . . (+471) . . Chapter 7, Problem 10 MA453Fall2008walther (current)
- 14:13, 17 September 2008 (diff | hist) . . (+428) . . Chapter 4, Problem 19 MA453Fall2008walther
- 16:01, 10 September 2008 (diff | hist) . . (+265) . . HW2 Ch5 8 MA453Fall2008walther
- 11:39, 10 September 2008 (diff | hist) . . (+502) . . HW2 Ch5 8 MA453Fall2008walther
