Plane quartic
= Plane quartic
A degree-four <projective plane curve>. Its <arithmetic genus> is three by the <genus-degree formula>; singularities can lower the genus of its <normalization of an algebraic curve>.
= Plane quartic
A degree-four <projective plane curve>. Its <arithmetic genus> is three by the <genus-degree formula>; singularities can lower the genus of its <normalization of an algebraic curve>.