Algebraic Topology - Revisions

Additional Exercises: Approximately 100 new exercises, along with enhanced versions of a few of the original exercises.

In addition to keeping the online version of the book up to date on corrections as they come to light, I have also included a number of revisions in the online version which are small enough not to require major renumbering of pages or theorems. Here is a list of the main changes:

Not included in the online version are the following items which I have at various times thought about including in a revision but for one reason or another haven't actually done: