Free online courseAlgebraic Topology

Course Description

Explore the fascinating world of Algebraic Topology with this comprehensive course offered by Andrews University. Delve into key concepts and discover the foundation of Algebraic Topology, covering a range of intriguing subjects. Begin with the study of Cell Complexes and understand how they form the building blocks of topological spaces.

Progress to investigating Homotopy Equivalence and grasp how different shapes and structures can be transformed into each other without tearing or gluing. This leads into an understanding of the Fundamental Group, a crucial concept that examines loops within a space and their role in classifying topological spaces.

The course introduces the Brouwer Fixed Point Theorem, a compelling result that asserts the existence of fixed points under certain conditions. You will also explore the concept that homeomorphic spaces have isomorphic fundamental groups, enhancing your understanding of space classification.

Gain insights into the Seifert-Van Kampen Theorem and its application in calculating fundamental groups, followed by an examination of Covering Spaces and their distinct properties. Learn about Deck Transformations and how they relate to fundamental groups.

Expand your knowledge through Simplicial and Singular Homology, identifying how these sophisticated tools measure and classify spaces. The course delves into Exact Sequences in homological algebra, illustrating their significance in topological applications.

A special focus is placed on the relationship between Singular Homology and Simplicial Homology, as well as the application of Complex Homology in understanding geometric and algebraic structures. Explore the Mayer-Vietoris sequence to see how it assists in computing homology groups for complex shapes.

Conclude with an introduction to Category Theory, providing a broader context for understanding mathematical structures and relationships. The course wraps up with an in-depth look into Cohomology and the intriguing concept of the Cup Product, concluding with real-world applications on constructs like the Torus.

This Algebraic Topology course offers a profound exploration of topology, providing invaluable insights for students pursuing studies in algebra or related fields.