- 19:22, 29 April 2009 (diff | hist) . . (+1) . . MA 453 Spring 2009 Walther Definitions
- 19:22, 29 April 2009 (diff | hist) . . (+189) . . MA 453 Spring 2009 Walther Definitions
- 09:37, 22 April 2009 (diff | hist) . . (+437) . . N Chapter 21, Exercise 33 (New page: Category:MA453Spring2009Walther Chapter 17, Example 8 says that f(x) = x^5 + 2x + 4 is irreducible over Q. This means that F = Q[x]/<x^5 + 2x + 4> is a field. If beta is a zero of ...) (current)
- 12:40, 15 April 2009 (diff | hist) . . (+146) . . MA 453 Spring 2009 Walther Definitions
- 18:16, 8 April 2009 (diff | hist) . . (+408) . . N Chapter 17 Question 21 (New page: Category:MA453Spring2009Walther Monic polynomials of degree 2 over Z/3Z look like x^2 + ax + b with a and b in Z/3Z. There are nine such polynomials since a and b can each be one of ...) (current)
- 13:17, 1 April 2009 (diff | hist) . . (+88) . . Ch. 16 - Problem 12 (current)
- 13:17, 25 March 2009 (diff | hist) . . (+457) . . N Ch. 15 - Problem 33 (New page: Category:MA453Spring2009Walther Write n = a_k*10^k + a_k-1*10^(k-1) + ... + a_0. Then use the homomorphism phi from Z to Z/3Z: phi(n) = phi(a_k*10^k + a_k-1*10^(k-1) + ... + a_0) =...) (current)
- 17:01, 8 March 2009 (diff | hist) . . (+151) . . N Ch. 12 - Problem 2 (New page: Category:MA453Spring2009Walther If you make a multiplication table for the given ring, you can see that 6*x = x for all x in R, so 6 is the unity.)
- 17:49, 4 March 2009 (diff | hist) . . (+255) . . MA 453 Spring 2009 Walther Definitions
- 12:15, 24 February 2009 (diff | hist) . . (+63) . . MA 453 Spring 2009 Walther Definitions
- 12:09, 24 February 2009 (diff | hist) . . (+109) . . Chapter 8- Problem 8 (current)
- 12:53, 17 February 2009 (diff | hist) . . (+194) . . Study Group for MA 453
- 16:01, 15 February 2009 (diff | hist) . . (+125) . . N Chapter 10: Problem 31 (New page: Category:MA453Spring2009Walther I used Theorem 10.1.6 from the textbook (6th edition) with g=g'=7 to solve this problem.)
- 17:08, 12 February 2009 (diff | hist) . . (-35) . . MA 453 Spring 2009 Walther Definitions
- 15:49, 12 February 2009 (diff | hist) . . (+87) . . MA 453 Spring 2009 Walther Definitions
- 18:48, 10 February 2009 (diff | hist) . . (+2) . . Poll for curiosity purposes only
- 17:28, 8 February 2009 (diff | hist) . . (+270) . . MA 453 Spring 2009 Walther Definitions
- 15:42, 3 February 2009 (diff | hist) . . (+127) . . Chapter 4: Problem 19
- 18:16, 31 January 2009 (diff | hist) . . (+225) . . N Chapter 4: Problem 9 (New page: Category:MA453Spring2009Walther I solved this one by using the same process we used in class with Z_48. Find the divisors of 20 to find each subgroup, then figure out how to generate...)
- 15:43, 27 January 2009 (diff | hist) . . (+3) . . Stephen Rosenberger - Theorem (current)
- 19:49, 26 January 2009 (diff | hist) . . (+102) . . Chapter 5 6
- 19:46, 26 January 2009 (diff | hist) . . (+154) . . N Chapter 5 6 (New page: Category:MA453Spring2009Walther I found what an element of order 15 in A_8 looks like using Theorem 5.3 on page 101 of the textbook (sixth edition).)
- 17:13, 24 January 2009 (diff | hist) . . (+37) . . Stephen Rosenberger - Theorem
- 12:51, 19 January 2009 (diff | hist) . . (-129) . . Stephen Rosenberger - Theorem
- 12:50, 19 January 2009 (diff | hist) . . (-25) . . Stephen Rosenberger - Theorem
- 12:49, 19 January 2009 (diff | hist) . . (+429) . . N Stephen Rosenberger - Theorem (New page: Cramer's Rule can be used to solve a system of linear equations: Given a system of linear equations A*x=b where A is an invertible square matrix, the theorem says that <math><img class="t...)
- 12:40, 19 January 2009 (diff | hist) . . (+35) . . MA 453 Spring 2009 Walther Week 1
