The imaginary domains of conics and their interpretation in the complex plane (1912)
Wilson, Charles Richard · leaf 22
of ttt which is parallel to s. Conversely, to the line r atinfinity of tt corresponds a line r of irt which is parallel to s. Since the planes through C are parallel to tt and ir1 , these … 7 four planes form a space of a parallelopiped. Also the planethrough 1, C, and I1 intersects these planes in a parallelogram,with sides CR equal and parallel to QS and CQ equal and parallelto RS. Therefore, keeping ir* fixed, it is possible to turn the and it planes tt and the two thru C parallel…
Conic sections · Geometry, Analytic · Theses
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