Home page | Catalogue | Classes | Tables | Glossary | Notations | Links | Bibliography | Thanks | Downloads | Related Curves


too complicated to be written here. Click on the link to download a text file.

X(6), X(69), X(193)

K707 is a central cubic with center K.

It is the locus of P such that spK(P, K) is a pivotal cubic. See CL055. Recall that spK(P, K) always contains the foci of the "ellipse K", the inconic with center K.

For example, spK(K, K) = K102 = pK(X6, X6), spK(X69, K) = K233 = pK(X25, X4), spK(X193, K) = K168 = pK(X3, X2).