2 papers
math.CV2015
Searching for the maximal valence of harmonic polynomials: a new example
Seung-Yeop Lee, Andres Saez
We find a new lower bound for the maximal number of zeros to harmonic polynomials, , when and .
math.CV2015
Zeros of harmonic polynomials, critical lemniscates and caustics
Dmitry Khavinson, Seung-Yeop Lee, Andres Saez
In this paper we sharpen significantly several known estimates on the maximal number of zeros of complex harmonic polynomials. We also study the relation between the curvature of c…