# Active space decomposition method

Efficient total active space decomposition methods for multi-site molecules with distinct active subspaces.

- Dimer ASD
  - Description
  - Dimer Construction
  - Keywords
  - Example
  - Reference
- ASD orbital optimization
  - Description
  - Dimer Construction
  - Keywords
  - Reference
- ASD-DMRG
  - Description
  - Multisite construction
  - Keywords
  - Example
  - Reference