Implement a check for Lorentzian polynomials, as defined in "Lorentzian Polynomials", https://arxiv.org/abs/1902.03719.

Part of the "Geometry and Combinatorics of Matroids" project at Sage Days 99 at the Institute for Mathematics and its Applications, at University of Minnesota Twin Cities.

CC: @tscrim @kwankyu @slel @dcoudert

Component: commutative algebra

Keywords: IMA Coding Sprints, days99, polynomials, discrete convex analysis

Author: Galen Dorpalen-Barry, Bryan Gillespie, Jacob P. Matherne, Thomas McConville

Branch/Commit: public/28252 @ 5fa1a05

Reviewer: Aritra Bhattacharya, Samuel Lelièvre, Julian Rüth

Issue created by migration from https://trac.sagemath.org/ticket/28252