Home › Forums › density functional theory › second Hohenberg-Kohn theorem › opinion This topic has 0 replies, 1 voice, and was last updated 1 day, 2 hours ago by adbel. Viewing 1 post (of 1 total) Author Posts July 31, 2025 at 5:49 pm #12752 adbelParticipant Just because a unique mapping exists (Theorem 1) doesn’t automatically mean there’s a variational principle to find it. Many unique mappings in mathematics don’t have such a convenient minimization route. so the two theorems are not the same 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