# M-axial algebras related to 4-transposition groups

Khasraw, Sanhan Muhammad Salih (2015). M-axial algebras related to 4-transposition groups. University of Birmingham. Ph.D.

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## Abstract

The main result of this thesis concerns the classification of 3-generated M-axial algebras A such that every 2-generated subalgebra of A is a Sakuma algebra of type NX, where N∈{2, 3, 4} and X∈{A, B, C}. This goal requires the classification of all groups $G$ which are quotients of the groups T$$^($$$$^s$$$$^1$$$$^,$$ $$^s$$$$^2$$$$^,$$ $$^s$$$$^3$$$$^)$$ = < x, y, z | x$$^2$$, y$$^2$$, z$$^2$$, (xy)$$^s$$$$^1$$, (xz)$$^s$$$$^2$$, (yz)$$^s$$$$^3$$ > for s$$_1$$, s$$_2$$, s$$_3$$ ∈{3, 4} and the set of all conjugates of x, y and z satisfies the 4-transposition condition. We show that those groups are quotients of eight groups. We show which of these eight groups can be generated by Miyamoto involutions. This can be done by classifying all possible M-axial algebras for them. In addition, we discuss the embedding of Fisher spaces into a vector space over GF(2) in Chapter 3.

Type of Work: Thesis (Doctorates > Ph.D.)
Award Type: Doctorates > Ph.D.
Supervisor(s):
Supervisor(s)EmailORCID
Shpectorov Prof., SergeyUNSPECIFIEDUNSPECIFIED
Licence:
College/Faculty: Colleges (2008 onwards) > College of Engineering & Physical Sciences
School or Department: School of Mathematics
Funders: None/not applicable
Subjects: Q Science > QA Mathematics
URI: http://etheses.bham.ac.uk/id/eprint/5659

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