Mmath graduate thesis presentationExport this event to calendar

Thursday, November 29, 2012 — 11:00 AM EST

Cassie Naymie, Pure Mathematics, University of Waterloo

“Roth’s theorem on finite abelian groups”

Roth’s theorem, proved by Roth in 1953, states that when A ⊆ [1, N ] with A dense enough, A has a three term arithmetic progression (3-AP). Since then the bound originally given by Roth has been improved upon by number theorists several times. The theorem can also be generalised to finite abelian groups. In 1994 Meshulam worked on finding an upper bound for subsets containing only trivial 3-APs based on the number of components in a finite abelian group. Meshulam’s bound holds for finite abelian groups of odd order. In 2003 Lev generalised Meshulam’s result for almost all finite abelian groups. In 2009 Liu and Spencer generalised the concept of a 3-AP to a linear equation and obtained a similar bound depending on the number of components of the group. In 2011, Liu, Spencer and Zhao generalised the 3-AP to a system of linear equations. This presentation is an overview of these results.

Location 
MC - Mathematics & Computer Building
5046
200 University Avenue West

Waterloo, ON N2L 3G1
Canada

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