diff --git a/.obsidian/app.json b/.obsidian/app.json
index 6abe4c1..2921389 100644
--- a/.obsidian/app.json
+++ b/.obsidian/app.json
@@ -1,3 +1,10 @@
 {
-  "alwaysUpdateLinks": true
+  "alwaysUpdateLinks": true,
+  "pdfExportSettings": {
+    "includeName": false,
+    "pageSize": "Letter",
+    "landscape": false,
+    "margin": "0",
+    "downscalePercent": 100
+  }
 }
\ No newline at end of file
diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 2548a78..48df8ed 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -13,12 +13,12 @@
             "state": {
               "type": "markdown",
               "state": {
-                "file": "Concurrent Systems/notes/3a - Hardware primitives & Lamport Bakery algorithm.md",
+                "file": "Concurrent Systems/notes/1b - Peterson algorithm.md",
                 "mode": "source",
                 "source": false
               },
               "icon": "lucide-file",
-              "title": "3a - Hardware primitives & Lamport Bakery algorithm"
+              "title": "1b - Peterson algorithm"
             }
           }
         ]
@@ -195,17 +195,18 @@
   },
   "active": "51157f32453cba69",
   "lastOpenFiles": [
+    "Concurrent Systems/notes/Untitled.pdf",
+    "Concurrent Systems/notes/1b - Peterson algorithm.md",
+    "Concurrent Systems/notes/1 - CS Basics.md",
     "Concurrent Systems/notes/4 - Semaphores.md",
+    "Concurrent Systems/notes/4c - Dining Philosophers.md",
+    "Concurrent Systems/notes/4b - Monitors.md",
     "Concurrent Systems/notes/3b - Aravind's algorithm and improvements.md",
     "Concurrent Systems/notes/3a - Hardware primitives & Lamport Bakery algorithm.md",
     "Concurrent Systems/notes/5 - Software Transactional Memory.md",
-    "Concurrent Systems/notes/4c - Dining Philosophers.md",
-    "Concurrent Systems/notes/4b - Monitors.md",
     "Concurrent Systems/notes/2b - Round Robin algorithm.md",
     "Concurrent Systems/notes/2 - Fast mutex by Lamport.md",
     "Concurrent Systems/notes/6 - Atomicity.md",
-    "Concurrent Systems/notes/1b - Peterson algorithm.md",
-    "Concurrent Systems/notes/1 - CS Basics.md",
     "conflict-files-obsidian-git.md",
     "Concurrent Systems/notes/images/Pasted image 20250318090909.png",
     "Concurrent Systems/notes/images/Pasted image 20250318090733.png",
@@ -226,7 +227,6 @@
     "HCIW/notes/3 - Beacons.md",
     "Concurrent Systems/notes/images/Pasted image 20250312121828.png",
     "Concurrent Systems/notes/images/Pasted image 20250310172134.png",
-    "Concurrent Systems/slides/class 3.pdf",
     "Concurrent Systems/notes/images/Pasted image 20250310103703.png",
     "Concurrent Systems/notes/1 - CS Basics2.md",
     "Pasted image 20250305182542.png",
@@ -240,7 +240,6 @@
     "Foundation of data science/notes/3 Logistic Regression.md",
     "Foundation of data science/notes/3.1 Multi Class Logistic Regression.md",
     "Foundation of data science/notes/4 L1 and L2 normalization - Lasso and Ridge.md",
-    "Foundation of data science/notes/3.2 LLM generated from notes.md",
     "Senza nome.canvas"
   ]
 }
\ No newline at end of file