Norman L. Johnson, Rolando Pomareda, "-Parallelisms", International Journal of Mathematics and Mathematical Sciences, vol. 32, Article ID 518768, 10 pages, 2002. https://doi.org/10.1155/S0161171202007500
Generalizations of the Johnson parallelisms are given using an index subgroup of a Pappian central collineation group. The parallelisms, called -parallelisms, are constructed and the isomorphisms classes are discussed.
Copyright © 2002 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.