Math 3385, Point Set Topology

Spring 2023

General Information

Class Meetings: TWF 11:00-11:50, Bannow GR22

Instructor: Chris Staecker (Personal Homepage)

Office: BNW 16

Office Hours: TF 10:30-11, 12-12:30, W 9-10, 12-12:30, or by appointment.
All office hours are in my office, or on Zoom: https://fairfield.zoom.us/j/5514910533

Textbook: Introduction to Topology: Pure and Applied by Adams and Franzosa

Final Exam: Friday May 5, 11:30AM

Other Stuff

Syllabus (pdf)

Tests & Homework

1/25: Homework #1 due: Section 1.1: 1, 3, 4a, 5, 8, 9
Professor's selected answers
2/8: Homework #2 due: Section 1.2: 10, 11bc, 19 ("compare" means say if one is finer or coarser)
Section 1.3: 27, 28, 29
Section 2.1: 1abeghi, 2c
Professor's selected answers
2/15: Homework #3 due: Section 2.1: 4
Section 2.2: 13abeh, 15, 21
Section 2.3: 24abeh, 26abc, 28ac
Section 3.1: 2, 4abi, 5abi, 7
Professor's selected answers
2/22: Homework #4 due: Section 3.2: 16, 17, 19, 22 (for b, don't prove it)
Section 3.3: 23, 26, 33achjk
Professor's selected answers
2/24: Exam #1: Exam 1 review problems with answers
3/8: Homework #5 due: Section 4.1: 1, 2, 4, 6a, 7, 11
Professor's selected answers
3/29: Homework #6 due: Section 4.2: 22, 25a, 26b
Section 5.1: 2, 3, 4
Section 5.2: 16 (read about the Hamming distance)
Professor's selected answers
3/31: Exam #2: Exam 2 review problems with answers
4/12: Homework #7 due: Section 5.3: 25a (look up the definition of distance between sets), 30
Section 6.1: 3 (hint: negate everything, and prove that), 5, 6
Professor's selected answers
4/19: Homework #8 due: Section 6.1: 7a, 9a
Section 6.2: 18
Section 6.3: 32, 36, 38a
Section 6.4: 39, 41, 46 (prove it only for 2 sets A₁ and A₂), 48
Professor's selected answers
4/26: Homework #9 due: Section 7.1: 2a, 3, 6, 10 (Hint: use Theorem 7.5)
Section 7.2: 15 (Hint: use [1,2) as one of your open sets), 16, 18bc
Do the Class Evaluation Survey!
5/5: 11:30AM Final Exam: Exam 3 review problems with answers

Class recordings

Here is a YouTube playlist