upgrade structures and migrate to nextra v4

content/Math401/_meta.js

@@ -0,0 +1,24 @@
+export default {
+   //index: "Course Description",
+    "---":{
+        type: 'separator'
+    },
+    Math401_N1: "Math 401, Notes 1",
+    Math401_N2: "Math 401, Notes 2",
+    Math401_N3: "Math 401, Notes 3",
+    "---":{
+        type: 'separator'
+    },
+    Math401_T1: "Math 401, Topic 1: Probability under language of measure theory",
+    Math401_T2: "Math 401, Topic 2: Finite-dimensional Hilbert spaces",
+    Math401_T3: "Math 401, Topic 3: Separable Hilbert spaces",
+    Math401_T4: "Math 401, Topic 4: The quantum version of probabilistic concepts",
+    Math401_T5: "Math 401, Topic 5: Introducing dynamics: classical and non-commutative",
+    Math401_T6: "Math 401, Topic 6: Postulates of quantum theory and measurement operations",
+    Math401_T7: "Math 401, Topic 7: Basic of quantum circuits",
+    "---":{
+        type: 'separator'
+    },
+    Math401_P1: "Math 401, Paper 1: Concentration of measure effects in quantum information (Patrick Hayden)",
+    Math401_P1_1: "Math 401, Paper 1, Side note 1: Quantum information theory and Measure concentration",
+}