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Non-cyclic and indecomposable p-algebrasMcKinnie, Kelly Lynn, January 1900 (has links) (PDF)
Thesis (Ph. D.)--University of Texas at Austin, 2006. / Vita. Includes bibliographical references.
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Non-cyclic and indecomposable p-algebrasMcKinnie, Kelly Lynn 28 August 2008 (has links)
Not available / text
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Varieties for modules of small dimensionReid, Fergus January 2013 (has links)
This thesis focuses on the subject of varieties for modules for elementary abelian p-groups. Given a homogeneous polynomial over an algebraically closed field of char- acteristic 2 we will give constructions for modules of small dimension having that polynomial as variety. This is similar to an earlier construction given by Jon Carlson but our modules will in general be of considerably smaller dimension. We also investigate the connection between the variety of a module and its Loewy length. We show that working over an algebraically closed field of characteristic 2 with modules of Loewy length 2 allows us to find modules with any hypersurface as their variety. On the other hand we also demonstrate that in odd characteristic p, with modules of Loewy length p, the only possible varieties are finite unions of linear hypersurfaces.
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Group enumerationBlackburn, Simon R. January 1992 (has links)
The thesis centres around two problems in the enumeration of p-groups. Define f<sub>φ</sub>(p<sup>m</sup>) to be the number of (isomorphism classes of) groups of order p<sup>m</sup> in an isoclinism class φ. We give bounds for this function as φ is fixed and m varies and as m is fixed and φ varies. In the course of obtaining these bounds, we prove the following result. We say a group is reduced if it has no non-trivial abelian direct factors. Then the rank of the centre Z(P) and the rank of the derived factor group P|P' of a reduced p-group P are bounded in terms of the orders of P|Z(P)P' and P'∩Z(P). A long standing conjecture of Charles C. Sims states that the number of groups of order p<sup>m</sup> is<br/> p<sup><sup>2</sup>andfrasl;<sub>27</sub>m<sup>3</sup>+O(m<sup>2</sup>)</sup>. (1) We show that the number of groups of nilpotency class at most 3 and order p<sup>m</sup> satisfies (1). We prove a similar result concerning the number of graded Lie rings of order p<sup>m</sup> generated by their first grading.
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