diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 934364d..9bf2d1f 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -209,12 +209,12 @@
       "companion:Toggle completion": false
     }
   },
-  "active": "ba09b8276acab4c7",
+  "active": "40e3ec35e1961dd0",
   "lastOpenFiles": [
+    "Concurrent Systems/slides/class 11.pdf",
     "Concurrent Systems/notes/11 - non so cosa faremo oggi.md",
     "Concurrent Systems/notes/10 - Implementing Consensus.md",
     "Concurrent Systems/notes/2 - Fast mutex by Lamport.md",
-    "Concurrent Systems/slides/class 11.pdf",
     "Concurrent Systems/notes/4 - Semaphores.md",
     "Concurrent Systems/notes/4b - Monitors.md",
     "Concurrent Systems/notes/3b - Aravind's algorithm and improvements.md",
@@ -242,7 +242,6 @@
     "Concurrent Systems/ignore this folder/Untitled.md",
     "Foundation of data science/notes/9 XGBoost.md",
     "Foundation of data science/notes/9 Random Forest.md",
-    "Foundation of data science/notes/9 K-Nearest Neighbors.md",
     "HCIW/slides/1 Interface and Interaction for IoT.pdf",
     "Concurrent Systems/slides/class 4.pdf",
     "Foundation of data science/class 9.pdf",