diff --git a/4 Qualifying Exam/1 Managing Stuff/0. QE To Do List.md b/4 Qualifying Exam/1 Managing Stuff/0. QE To Do List.md
index 5d24ea11..0c3ecc88 100644
--- a/4 Qualifying Exam/1 Managing Stuff/0. QE To Do List.md	
+++ b/4 Qualifying Exam/1 Managing Stuff/0. QE To Do List.md	
@@ -10,8 +10,11 @@
 	- [/] Why is this something difficult to sample?
 - [x] Write about how to generate structured perturbations 📅 2024-10-17 ✅ 2024-10-16
 - [ ] Write story for RA
-- [ ] Reposition things on the timeline
-- [ ] How does H_infty work?
+- [-] Reposition things on the timeline
+	- Just thug it out. 
+- [x] How does H_infty work? ✅ 2024-11-04
+	- It's an optimal controls problem. Has to do with the cost function of the input. Not exactly a robust control thing in itself, but you might be looking at how to minimize the cost robustly.
+- [ ] Read Mu Synthesis 📅 2024-11-04 
 # Milestones
 - [x] Goals and Outcomes Finished 🆔 kwyu6a ⏳ 2024-10-02 📅 2024-10-04 ✅ 2024-10-02
 - [*] State of the Art Finished 🆔 i9ybdy ⏳ 2024-10-09 📅 2024-10-11