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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Polynomial solutions of differential-difference equations

## Polynomial solutions of differential-difference equationsAdd to your list(s) Download to your calendar using vCal - Dominici, D (State University of New York)
- Tuesday 30 June 2009, 14:30-15:00
- Seminar Room 1, Newton Institute.
If you have a question about this talk, please contact Mustapha Amrani. Discrete Integrable Systems We investigate the zeros of polynomial solutions to the differential-difference equation [ P_{n+1}(x)=A_{n}(x)P_{n}^{prime}(x)+B_{n}(x)P_{n}(x),~ n=0,1,dots ] where $A_n$ and $B_n$ are polynomials of degree at most $2$ and $1$ respectively. We address the question of when the zeros are real and simple and whether the zeros of polynomials of adjacent degree are interlacing. Our result holds for general classes of polynomials but includes sequences of classical orthogonal polynomials as well as Euler-Frobenius, Bell and other polynomials. This talk is part of the Isaac Newton Institute Seminar Series series. ## This talk is included in these lists:- All CMS events
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