Record Details

The geometry of the octonionic multiplication table

ScholarsArchive at Oregon State University

Field Value
Title The geometry of the octonionic multiplication table
Names Killgore, Peter Lloyd (creator)
Dray, Tevian (advisor)
Date Issued 2015-05-15 (iso8601)
Note Honors Bachelor of Science (HBS)
Abstract We analyze some symmetries of the octonionic multiplication table, expressed
in terms of the Fano plane. In particular, we count how many ways the Fano
plane can be labeled as the octonionic multiplication table, all corresponding to
a specified octonion algebra. We show that only 28 of these labelings of the Fano
plane are nonequivalent, which leads us to consider the automorphism group
of the octonions. Specifically, we look at the case when the mapping between
two labelings of the Fano plane is an automorphism. Each such automorphism
is induced by a permutation, and we argue that only 21 such automorphisms
exist. We give the explicit definition of all 21 automorphisms and determine
the structure of the group they generate. Finally, we interpret our results in a
geometric context, noting especially the connection to the 7-dimensional cross
product.
Genre Thesis
Access Condition http://creativecommons.org/licenses/by-nd/3.0/us/
Topic Octonions
Identifier http://hdl.handle.net/1957/55902

© Western Waters Digital Library - GWLA member projects - Designed by the J. Willard Marriott Library - Hosted by Oregon State University Libraries and Press