Source: wikibot/lomonosov-s-invariant-subspace-theorem
= Lomonosov's invariant subspace theorem
{wiki=Lomonosov's_invariant_subspace_theorem}
Lomonosov's invariant subspace theorem is a result in functional analysis, particularly in the theory of operators on Hilbert spaces. The theorem is named after the Russian mathematician M. Yu. Lomonosov, who proved it in the 1970s.