Math 5853     Topology I         Fall 2002

Important dates and facts

Office Hours: Mon. 2:00-3:00,     Wed. 1:30-2:30,     Thu. 1:00-2:00
Midterm I: Thursday, September 26 Midterm II: Thursday, November 14
Final Examination: Monday, December 16, 8:00am-10:00am in PHSC 116


Course Handouts


Messages, Assignments

Most recent is at the top!

Goto here for cool interactive Kuratowski closure-complement problem set generator.

Suggested problems.

  • Page 152: 5, 7, 8, 11
  • Page 157: 1, 2, 4, 9, 10, 11
  • Page 171: 4, 5, 6, 7, 8
  • Page 177: 1, 2, 4, 6

  • Page 118: 6, 7, 8
  • Page 127: 4, 5, 6, 8, 10
  • Page 133: 1, 2, 3


Due Tuesday, October 8.

  • Do the homework handout of Tuesday Oct 1.
  • Page 92: 2, 4, 5, 9, 10.
  • Pages 100-102: 5, 6, 7, 8, 13, 14, 18, 19, 21 (here's a hint).


  • Section 12:
    • Write out all the possible topologies for a set with 3 elements.
    • Make an estimate for the number of topologies on a set of 4 elements.
    • If you get tired, check out the number sequence A000798
      on The On-Line Encyclopedia of Integer Sequences.
    • Why is 2^2^n an upper bound for the number of topologies on a set with n elements.
    • Can you improve on this bound?
  • Section 13: 1 through 8.


Due Tuesday, September 17.

  • Section 6: 5, 6, 7
  • Section 7: 3, 4, 5, 6, 7
  • Section 8: 4, 5, 6


Due Thursday, September 5.

  • Section 1: 7, 8, 9
  • Section 2: 2, 4, 5
  • Section 3: 3, 4, 12, 13
  • Section 4: Try some proofs in 1 and 2
  • Section 5: 4, 5


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