Matthew Chasse

activity

20102017

most citedStable regions of Turán expressions

4 citations · 10 across the 5 of their papers we have counts for

collaborators

Showing 2014Show all

3 papers · 1 filter

math.CA2014★ 2 cited

Monomial to ultraspherical basis transformation and the zeros of polynomials

Matthew Chasse

We examine a result of A. Iserles and E. B. Saff, use it to prove a conjecture of S. Fisk that a linear operator which maps monomials to Legendre polynomials also preserves zeros i…

math.CO2014★ 1 cited

Infinite log-concavity for polynomial Pólya frequency sequences

Petter Brändén, Matthew Chasse

McNamara and Sagan conjectured that if $a_{0}, a_{1}, a_{2}, \dots$ is a Pólya frequency (PF) sequence, then so is $a_{0}^{2}, a_{1}^{2} - a_{0} a_{2}, a_{2}^{2} - a_{1} a_{3}, \dots$ . We prove this conjecture…

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…