Lack of Hohenberg-Kohn theorem for excited states in DFT and its consequences.

Demonstration of the Gunnarsson-Lundqvist theorem and Lack of Hohenberg-Kohn Theorem for Excited States

Generalization of the variational principle and the Hohenberg and Kohn theorems for excited states of Fermion systems

a new approach to Hohenberg-Kohn theorem

Density-on-wave-function mapping beyond the Hohenberg-Kohn theorem

A Hohenberg-Kohn theorem for non-local potentials

The theorem of hohenberg and kohn for subdomains of a quantum system