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Department of Mathematical Sciences

Seminar Archives

On this page you can find information about seminars in this and previous academic years, where available on the database.

Pure Maths Colloquium: Von Neumanns inequality for matrices --- past and present

Presented by Richard Timoney, Trinity College, Dublin

27 February 2012 16:00 in CM221

An inequality due to von Neumann (in 1951) for norms of polynomials in a matrix has generated many interesting generalisations and theories. In this talk a small selection of these topics are explained including some recent joint results with John McCarthy and some open problems.

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