# Hierarchical Equations of Motion

- Introduction
- Bosonic Environments
  - Describing the system and bath
  - System and bath dynamics
  - Steady-state
  - Matsubara Terminator
  - Matsubara expansion coefficients
  - Multiple baths
- Fermionic Environments
  - Describing the system and bath
  - System and bath dynamics
  - Determining currents
  - Steady state currents
  - Padé expansion coefficients
- Previous implementations
  - HSolverDL
  - BoFiN-HEOM
  - Current implementation
- References