differential-equation public under equation 11, mathematical-statement 6 List Picture As a command %3 n0 differential-equation n3 maxwell's-equations n0->n3 n4 partial-differential-equation n0->n4 n5 schrodinger-equation n0->n5 n6 wave-equation n0->n6 n1 equation n1->n0 n2 mathematical-statement n2->n0