## Geometry Seminar - Abstracts

### Talk

Tuesday 21 November 2017, 16:00-17:00 in HG03.085

**Ana F. Loureiro** (University of Kent)

*On three-fold symmetric polynomials with an algebraic classical
behaviour*

### Abstract

I will discuss sequences of polynomials of a single variable
that are orthogonal with respect to a vector of weights defined in the
complex plane. Such polynomial sequences satisfy a recurrence relation
of finite (and fixed) order higher than 2. The main focus will be on
polynomial sequences possessing a three-fold symmetry and whose multiple
orthogonality is preserved under the action of the derivative operator.

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