# Examples Finite-size exact diagonalization is applied to standard lattice models, with spectra and correlation functions compared to analytic limits or established many-body behavior where available. ::::{grid} 2 :::{grid-item-card} Fermionic systems :link: fermion/index :link-type: doc Hubbard models, exchange, competing correlations, and flux response. ::: :::{grid-item-card} Bosonic systems :link: boson/index :link-type: doc Bose-Hubbard physics, natural occupations, density correlations, and Schwinger bosons. ::: :::: ```{toctree} :maxdepth: 2 :hidden: fermion/index boson/index ```