Excerpt: "Now let’s divide by |Γ|^2−1: a^2+2aRs|Γ|^2+1|Γ|^2−1+b^2=−Rs^2 This is somewhat similar to the circle equation in form of: x^2+2xp+y^2=r^2" (Note,

Excerpt: "Now let’s divide by |Γ|^2−1: a^2+2aRs|Γ|^2+1|Γ|^2−1+b^2=−Rs^2 This is somewhat similar to the circle equation in form of: x^2+2xp+y^2=r^2" (Note, cutting and pasting a math equation into text loses several important details -- so this excerpt is a placeholder into the web page only... for the correct equation, properly formatted, see the web page...)