Home › Forums › density functional theory › functions and functionals › Functional This topic has 0 replies, 1 voice, and was last updated 1 week, 4 days ago by Simon Van Looveren. Viewing 1 post (of 1 total) Author Posts October 2, 2025 at 2:15 pm #13356 Simon Van LooverenParticipant A functional I remember is the Boltzmann H-theorem functional H(t), which is equal to the Boltzmann entropy (up to an additive constant), with it we derived the b-Boltzmann H-theorem, and that Boltzmann entropy cannot decrease over time. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In