Math 4281
Spring 2018

Location and time: Vincent Hall 211, MWF 11:15pm-12:05pm

Text: 'A book of abstract algebra' 2nd edition by Charles C. Pinter.


Lecturer: Tian-Jun Li, Vincent Hall 260, (612) 625-2036
Email: lixxx248@umn.edu
URL: http://www.math.umn.edu/~lixxx248
Office hours: 10-11 on Fridays, another hour to be determined (or by appointment).


Course Content
We will cover the entire book.


Homework
There will be 9 homework problem sets.

Homework 1, due Jan. 29 (Monday).
Exercises in Chapter 2: A5, B2, C1, C4, C5, D1, D3
Exercises in Chapter 3: A1, B3, C1, C2, G2, G8
Exercises in Chapter 4: A1, A4, B3, B4, C7, D7, E1, F3, G1, G2
Exercises in Chapter 5: A4, B2, D1, D3, E1, E2, E6, F2, H1
Office hours: 1:15-2:15 on Jan. 22; 1-2 on Jan. 24       
Solutions to Hw1


Homework 2, due Feb. 9 (Friday).
Exercises in Chapter 6: B1, F2, G1, H5(a)
Exercises in Chapter 7: B1, C3, C4, F3, G1
Exercises in Chapter 8: A1(a), A2(a), A3(a), C3, G3, H3
Exercises in Chapter 9: B2, D1, D2, E6, F2, I3
Office hour: 11-12, Feb. 8       
Solutions to Hw2


Homework 3, due Feb. 19 (Monday). Quiz 1 also on Feb. 19
Exercises in Chapter 10: B4, B7, C6, D1, E3, H1
Exercises in Chapter 11: C1
Exercises in Chapter 12: B2, C2, D3
Exercises in Chapter 13: C2, C3, A3, B7, D3, E3, G1, G2, G3, H1       
Solutions to Hw3


Homework 4, due March 2 (Friday).
Exercises in Chapter 13: I4, I5, I6
Exercises in Chapter 14: A5, B6, C3, C5, D1, D3, D4, D5, G2, F6, I1, I2
Exercises in Chapter 15: A1, B2, E1
Office hour: 11-12, Thursday, Feb. 22       
Solutions to Hw4


Homework 5, due March 19 (Monday).
Exercises in Chapter 15: C7, G1, G2, G3, G4, G5, G6
Exercises in Chapter 16: A1, B3, H6, K1, K2, K3, L1, L2, L3, L4
Exercises in Chapter 17: A4, C2, E1, E3, I5
Exercises in Chapter 18: B2, B5, D2, D3
      
Solutions to Hw5


Homework 6, due March 26 (Monday). Quiz 2 also on March 26
Exercises in Chapter 18: C6, D6, F5, G1, G5, H3
Exercises in Chapter 19: B4, D1, F2, F3, H1
Exercises in Chapter 20: A2, B1, C1, E4,
      
Solutions to Hw6


Homework 7, due April 6 (Friday). Test 2 on Monday April 2
Exercises in Chapter 21: C5, H1, H2
Exercises in Chapter 22: C2, F6, G3
Exercises in Chapter 24: A2, B3, C4, E4, F3
Exercises in Chapter 25: A1, C1, D1, D3, D4
      
Solutions to Hw7


Floating office hours: 3/29, 1-2; 3/30, 2:30-3:30.
Homework 8, due April 16 (Monday).
Exercises in Chapter 26: A1, C1, C3, D1, E1, F1, F_2
Exercises in Chapter 27: A1(a, b, c, d), B2, C1, C_2, C_3, D5, E1
Exercises in Chapter 28: A3, C8
Exercises in Chapter 29: A5, B1, B2
      
Solutions to Hw8



Floating office hours: 4/13, 12:10-2.
Homework 9, due April 27 (Friday). Quiz 3 also on April 27
Exercises in Chapter 29: C2, D3, D4, E1
Exercises in Chapter 31: A1, A2, C1, C3, C6, C7, C8, C9, D1
Exercises in Chapter 32: B1, B2, B3, B4, B5, B6
Exercises in Chapter 33: B2, B6

Floating office hours: Wednesday 10-11, Thursday 11-12
Tests and Quizzes
There are three in class tests. No common final. The three in class tests are tentatively scheduled on 2/26, 4/2, 5/4. Test1 covers Chapters 2-13.
There are also three in class quizzes. Quiz 1 on Feb. 19, Quiz 2 on March 26.


Grading
Each test accounts for %20, and homework+quizzes account for %40.


Feedback and Questions
You are welcome to visit me during my office hours. You can also make appointments to see me at other time.