MATS4200 Alexandrov spaces (5 cr)
Learning outcomes
After completing the course the student will
•Understand the definitions of curvature lower bounds in the sense of Alexandrov and can check in easy examples if they are satisfied
•Know the basic ideas behind the proofs of the main theorems presented in the course.
Study methods
One can complete the course either by:
•Exercises and course exam or
•Final exam
Content
The course is intended as an introduction to Alexandrov spaces with curvature bounded below. We will go through
•Definitions and examples of Alexandrov spaces with curvature bounded below
•Toponogov's theorem (local-to-global property)
•Maximal diameter and splitting theorems
•Bishop-Gromov inequality and Gromov's precompactness theorem
•Strainers and local geometry of Alexandrov spaces
Materials
S. Alexander, V.Kapovitch, A. Petrunin, Alexandrov Geometry (draft available at )
D. Burago, Y. Burago, S. Ivanov: A Course in Metric Geometry, American Mathematical Society, 2001.
Prerequisites
The following courses are preferred but not obligatory
•MATS213 Metric Spaces
•MATS331 Metric Geometry
•MATS111 Measure and Integration Theory 1
•MATS112 Measure and Integration Theory 2