Math 4530, Fall 2025 - Schedule

(Topics subject to change. Section numbers in Munkres are given)

Week Topics
1 Aug 23

Aug 25

Aug 27

§7 Countable and uncountable sets

§12 Topological spaces

Standard topology on R and Cantor set

2 Sep 3

Sep 5

§13 Basis for topology

Subbasis, §14 Order topology

3 Sep 8

Sep 10

Sep 12

§15 Product topology on XxY, §16 Subspace topology

§17 Closed sets and limit points, Hausdorff property

4 Sep 15

Sep 17

Sep 19

§18 continuous functions

homeomorphisms, embeddings

§19 Product toplogy

5 Sep 22

Sep 24

Sep 26

§20 metric topology

§21 uniform convergence

6 Sep 29

Oct 1

Oct 3

§21 Quotient topology

§23 Connectedness

§24 Connected subspaces of R

7 Oct 6 PRELIM

Oct 8

Oct 10

§25 Components and path connectedness

§26 Compact spaces

8 Oct 15

Oct 17

§27 Compact subspaces of the reals (video lecture)
9 Oct 20

Oct 22

Oct 24

§28 Sequential compactness

Sequential compactness of countable products; Second countability and separability

§51 Homotopy

10 Oct 27

Oct 29

Oct 31

§51 Path homotopy, groups

§52 Fundamental group

§53 Covering spaces

11 Nov 3

Nov 5

Nov 7

§53 Covering spaces

§54 Fundamental group of the circle

§55 Retractions and Brouwer fixed point theorem

12 Nov 10

Nov 12

Nov 14

§58 Deformation retracts, homotopy equivalence

§59 Fundamental groups of spheres

13 Nov 17

Nov 19

Nov 21

§60 Fundamental groups of products

Fundamental group of punctured torus (free product) and projective plane

Definition and examples of manifolds

14 Nov 24 Classification of surfaces (see Kinsey "Topology of Surfaces" Ch. 4 for this material; available through Cornell for no charge)
15 Dec 1 NO CLASS

Dec 3

Dec 5

More proof of classification of surfaces
16 Dec 8
Dec 19, 9am FINAL

Last modified: Sat Nov 29 17:08:20 EST 2025