hankel
/ˈhæŋkəl/Definitions
1. noun
A type of infinite series used in mathematics, especially in the theory of functions of a complex variable.
“The mathematician studied the properties of Hankel matrices in her research paper.”
2. proper noun
A German mathematician, Hermann Hankel, known for his contributions to number theory and algebra.
“The mathematician’s work on Hankel’s theorem was widely acclaimed.”