Math 697: Heegaard Floer homology (Fall 2023)

Department of Mathematics
University of Michigan

Math 697: Heegaard Floer homology

Fall 2023

Time and location: Tuesdays and Thursdays 2:30-4pm in East Hall 2866

Instructor: Linh Truong (tlinh@umich.edu)

Office hours: By appointment

Course Information: Syllabus


Homework

Homework 1, due September 21, 2023 in class

Tentative Schedule

Date Topics References
8/29 Overview and motivating questions
8/31 Heegaard diagrams for 3-manifolds [GS] p. 112-115
[OS-5] §2
9/5 Morse theory [Mil] p. 1-39
9/7 Morse homology [McD] §1.1-1.2
[Hut] §2.1-2.4
[AD] §3, §4
9/12 Lagrangian Floer homology [AD] §5, §6
[Aur] §1
9/14 Lagrangian Floer homology [Aur] §1
9/19 Symmetric Products of Surfaces [OS-1] §2.1-2.4
[OS-5] §4, §5
9/21 Heegaard Floer homology: definition [OS-5] §7
9/26 Maslov grading, admissible Heegaard diagrams, Turaev reformulation of spin^c structures [OS-5] §6, §7
9/28 Heegaard Floer homology: Invariance I [OS-1]
10/3 Invariance II: Holomorphic triangles and rectangles [OS-1]
10/5 Heegaard Floer variants: minus, plus, infinity
Surgery Exact Triangle: statement and applications
[OS-5] §8
[OS-6] §1
10/10 Surgery Exact Triangle: Proof [OS-6] §2
10/12 Surgery on knots [OS-6] §2
10/16 fall break; no class
10/19 Applications: L-spaces and Branched Double Covers [OS-6] §1
10/24 Cobordism maps [OS-6] §3
10/26 Absolute gradings, d-invariants, and computations [OS-8]
10/31 Examples, nice diagrams and combinatorial HF [OS-7] §2.2
[SW]
11/2 Grid homology [Grid Homology]
[example]
11/7 Knot Floer homology: Definition [Hom]
11/9 Knot Floer homology: Examples
Definition of the tau invariant
[Hom]
11/14 Heegaard Floer homology of knot surgery and computations [Hom]

Resources

Papers

Surveys

Books

Useful links