diff --git a/2024/GFQC.md b/2024/GFQC.md
new file mode 100644
index 0000000..8fcd4b7
--- /dev/null
+++ b/2024/GFQC.md
@@ -0,0 +1,3 @@
+# Green's Functions in Quantum Chemistry
+
+1.
diff --git a/2024/postHF.md b/2024/postHF.md
new file mode 100644
index 0000000..4605072
--- /dev/null
+++ b/2024/postHF.md
@@ -0,0 +1,39 @@
+# Post Hartree-Fock Methods
+
+1. Introduction
+  - Correlation energy
+  - Notations
+  - Outlines
+ 
+2. Configuration Interaction (CI)
+  - CI wave function ansatz
+  - Excited determinants
+  - Truncated CI and Pople diagram
+  - Size of FCI space
+  - CI energy and eigenvalue problem
+  - Structure of the CI matrix
+  - Slater-Condon rules
+  - Size consistency
+ 
+3. Perturbation Theory (PT)
+  - Formal Rayleigh-Schrodinger PT
+  - Expression of 2nd-order energy and 1st-order wave function
+  - Moller-Plesset PT up to 2nd order
+  - Pople diagram and convergence
+  - Computation of MP2 correlation energy (with AO-to-MO transformation)
+ 
+4. Coupled Cluster (CC)
+  - CC wave function ansatz
+  - Wave operator, excitation operators, etc
+  - CC vs CI: cluster analysis
+  - Formal CC theory
+  - CC energy
+  - Pople diagram
+  - Variational CC
+  - Unitary CC
+  - Similarity-transformed Hamiltonian
+  - BCH expansion and amplitude/energy equations
+  - Computation of CCD energy and amplitudes
+  
+  
+