University of Durham --- Department of Mathematical Sciences



MATH4161 Algebraic Topology.


Michaelmas 2013





Lecturer: Andrew Lobb

Schedule:





Books

There are many books called something like An Introduction to Algebraic Topology or just Algebraic Topology. Any of these will cover most if not all of what you shall see during this course. It's really a matter of personal taste as to which books you prefer. However, a book that is currently very popular (and available for free complete download on the author's website) is that of Hatcher's. Here are some other authors worth a look:





Lectures

Here's a brief outline of what I intend to cover in each week's lectures.


Week

Content

1

CW-complexes (otherwise known as cell complexes), cellular homology.

2

Examples of cellular homology, beginnings of homological algebra.

3

Simplicial homology, chain complexes in general.

4

Singular homology, functoriality.

5

Homotopy recap, homotopy invariance, using homology as more than just an invariant.

6

Homological algebra, short five lemma, SES of chain groups gives LES of chain complexes.

7

LES of a pair, equivalence of simplicial and singular homology.

8

LES of a pair, equivalence of cellular and singular homology.

9

Mayer-Vietoris, computations, applications.

10

More computations and applications, other coefficient rings.





Assignments

Solutions to any starred questions are to be handed in to my pigeonhole in the first floor common room in the mathematics department on the due date, or alternatively to me in lecture.


Exercise Sheet

Date posted

Date due

Solutions

Sheet 1

7th October 2013

14th October 2013

Solution 1

Sheet 2

14th October 2013

21st October 2013

Solution 2.

Sheet 3

22nd October 2013

30th October 2013

Solution 3.

Sheet 4

4th November 2013

11th November 2013

Solution 4.

Sheet 5

11th November 2013

18th November 2013

Solution 5.

Sheet 6

21th November 2013

27th November 2013

Solution 6.

Sheet 7

5th December 2013

11th December 2013

Solution 7.