15 citations · 104 across the 38 of their papers we have counts for
Showing 2017Show all
2 papers · 1 filter
math.CO2017★ 4 cited
The Combinatorics of Higher Derivatives of Implicit Functions
Shaul Zemel
We prove a closed formula for the derivative, of any order, of a implicit function, in terms of some binomial building blocks, and explain the combinatorics behind the coefficients…
math.NT2017
The Origin of the Beauregard--Suryanarayan Product on Pythagorean Triples
Shaul Zemel
We show how the multiplicative structure on Pythagorean triples defined by Beauregard--Suryanarayan arises from automorphisms of the hyperbolic plane, and how the structure theorem…