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math.CV2017
Polynomially Interpolated Legendre Multiplier Sequences
Matthew Chasse, Tamás Forgács, Andrzej Piotrowski
We prove that every multiplier sequence for the Legendre basis which can be interpolated by a polynomial has the form , where . We a…
math.CV2014★ 4 cited
Stable regions of Turán expressions
Matthew Chasse, Lukasz Grabarek, Mirkó Visontai
Consider polynomial sequences that satisfy a first-order differential recurrence. We prove that if the recurrence is of a special form, then the Turán expressions for the sequence…
math.CV2014
Classification theorems for operators preserving zeros in a strip
Petter Brändén, Matthew Chasse
We characterize all linear operators which preserve spaces of entire functions whose zeros lie in a closed strip. Necessary and sufficient conditions are obtained for the related p…