MATH 401: Introduction to Abstract Algebra
(Spring 2014)

About the instructor

Instructor: Heekyoung Hahn
Email: hahn at math dot duke dot edu
Office: Physics 015

About class

Class hour and room: WF 11:45am-1:00pm (Physics 047)
Office hours: Friday 2-4pm (Physics 015) or by appointment
Homework grader: Rowena Gan (rowenaganjx at gmail.com)
First day of instruction: January 10 (Friday)
Last day of instruction: April 23 (Wednesday)
Make-up class: April 25 (Friday), 11:45-1pm (Physics 047)
Extra office hour: April 25 (Friday), 2-4pm (Physics 015)
Textbook: Abstract Algebra: A geometric approach by Theodore Shifrin, Prentice-Hall, Inc.

About the exam schedule

Midterm 1: February 14 (Friday), in class
Midterm 2: March 26 (Wednesday), in class ; Solution for Mid2
Final: April 28 (Monday) 9:00am-noon, Physics 047
There will be NO make-up exam. It is your responsibility to remember the exam date and time.
No calculators are permitted on tests and final.

About homework assignments

Homework problems will be given roughly every week.
Late homework will NOT be accepted.
You are required to check the following link regularly for the updated schedule.

• To see the list of homework problems and due dates, click List of homework problems

• Solutions provided by your classmates
  Note that solutions provided here may not be all correct, so they should be used as a supporting material to yours.
  You can always ask me the correct answers:
  Hw1 solution by Jolie Kemp
  Hw2 solution by Mila Liakhovister
  Hw3 solution by Yi Pan
  Hw4 solution by Jolie Kemp
  Hw5 solution by Mila Liakhovister
  Hw6 solution by Laxmi Rajak
  Hw7 solution by Jonathan Gao
  Hw8 solution by Jonathan Gao
  Hw9 solution by Destina Mantar
  Hw10 solution by Jonathan Gao

About the grading scheme

Homework (20%), Midterm1 (20%), Midterm2 (20%), Final (40%).
Note that you must pass your final in order to pass the course.

• For more information, click Course Syllabus

About having fun with some of math papers

Interesting math papers will be added here!

• Infinitely many units
• Construction of the Real numbers
  By Cauchy sequences and By Dedekind cuts

You are expected to read text book before each class. You should generally keep pace with the lecture material. Bring your math problems in your beer party!!

If you get stuck on homework problems, you don't understand some concept as well as you'd like, or you feel lost and confused, then please ask for help. Office hours are a good thing; you should take advantage of them in all your classes.

Last Modified December 17 (Tuesday), 2013.