Lefschetz theorem on (1,1)-classes
... that the Lefschetz theorem on (1,1)-classes proves the only case of the Hodge conjecture, a Clay Mathematics Institute million-dollar Millennium Prize Problem, which is known to be true on all Kähler manifolds?
... that the <b id="mwBwY"><a href="./Lefschetz_theorem_on_(1,1)-classes" id="mwBwc" rel="mw:WikiLink" title="Lefschetz theorem on (1,1)-classes">Lefschetz theorem on (1,1)-classes</a></b> proves the only case of the <a href="./Hodge_conjecture" id="mwBwg" rel="mw:WikiLink" title="Hodge conjecture">Hodge conjecture</a>, a <a href="./Clay_Mathematics_Institute" id="mwBwk" rel="mw:WikiLink" title="Clay Mathematics Institute">Clay Mathematics Institute</a> million-dollar <a href="./Millennium_Prize_Problems" id="mwBwo" rel="mw:WikiLink" title="Millennium Prize Problems">Millennium Prize Problem</a>, which is known to be true on all <a href="./Kähler_manifold" id="mwBws" rel="mw:WikiLink" title="Kähler manifold">Kähler manifolds</a>?