Math 71
Abstract Algebra

Last updated November 13, 2016 16:00:18 EST

General Information Syllabus HW Assignments Course Resources

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Homework Sample Solutions (restricted to on campus access)


Homework Assignments

Week Date Sections Notes HW problems
(Due Wednesdays)
Basic skills problems
(for practice)
1 9/12 1.1, 1.2 1.3: 22, 28, 29 1.3: 25
9/14 2.1, 2.2 (hw1 pdf) 2.3: 16, 27, 31 2.3: 3, 15c
9/163.1, 3.2 (LaTeX source hw1) 3.4: 10, 22, 25, 31 3.4: 1, 6, 8

2 9/19 3.2,3.3 3.4: 46, 47, 52, 54 3.4:
9/21 4.1, 4.2 (hw2 pdf) 4.4: 14, 37, 39 (show it's the unique subgroup of that order) 4.4: 1bcd, 2, 11
9/235.1, 5.2 (LaTeX source hw2) 5.3: 2gop, 13, 30 For 2, write as a product of disjoint cycles. 5.3: 1, 4, 5bc

3 9/19 6.1, 6.2, 6.3 6.4: 5abe (left cosets only), 6, 18 6.4: 1, 11, 12, 13
9/21 9.1, 9.2 (hw3 pdf) 9.3: 7, 8, 22 9.3: 5, 6, 13, 24, 36, 41, 42
9/2310.1, 10.2 (LaTeX source hw3) 10.3: 8, 11, 13, 14 10.3: 6, 7, 9, 10

4 10/3 11.1, 11.2 11.3: 5, 16, 17, 19 11.3: 8, 9, 10, 13
10/6 11.2 (hw4 pdf) 11.4: 3, 5, 12 9.3: 2, 7
10/7 14.1 (LaTeX source hw4) 14: See the pdf 14:

5 10/10 14.2 14: See the pdf 14.4: 4, 6, 7, 22, 23
10/12 15.1, 15.2 (hw5 pdf) 15: See the pdf 15.4: 4, 11, 12
10/14 13.1 (LaTeX source hw5) 13: See the pdf 13.3: 3, 16

6 10/17 13.2 13.3: 4e (only one series), 12, 20(typo in 20a in book) 13.3: 4c,d,f, 9, 19
10/19 16.1, 16.2 (hw6 pdf) 16.6: 6 (ring maps), 8, 10, 11 16.6: 1a,b,c,h, 3, 5
10/21 16.2, 16.3 (LaTeX source hw6) 16.6: 18, 26, 34 16.6: 16, 22, 23

7 10/24 13.2 16.6: See the pdf 16.6:
10/27 17.1, 17.2 (hw7 pdf) 17.4: See the pdf 17.4:
10/28 17.2 (LaTeX source hw7) 17.4: See the pdf 17.4:

8 10/31 17.3 17.4: See the pdf 17.4:
11/2 17.3 (hw8 pdf) 17.4: See the pdf 17.4:
11/4 18.1 (LaTeX source hw8) 17.4: See the pdf 17.4:

9+ 11/7 18.1, 18.2 18.3: See the pdf 18.3:
11/9 18.2 (hw9 pdf - practice only) 18.3: See the pdf 18.3:
11/11 18.2 (LaTeX source hw9) 18.3: See the pdf 18.3:
11/14 TBA Not to be handed in 18.3: See the pdf 18.3:


T. R. Shemanske
Last updated November 13, 2016 16:00:18 EST