General Elation Switching
Norman Johnson · 2010
In this chapter, the ideas of nite coset switching are generalized for arbitrary elds K. Definition 120. Let 0 denote a Pappian spread in PG(3; K), where K is a eld: x = 0; y = x u 1t t u 8u; t 2 K , where 1 is a non-square in K. Let E denote the full elation group of 0 with axis x = 0: