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CoincidentRootLoci -- A package for computations with coincident root loci


This package accompanies the paper On the algebraic boundaries among typical ranks for real binary forms (see also Algebraic boundaries among typical ranks for real binary forms of arbitrary degree). It provides some tools that can be useful for working with symmetric tensors of dimension 2. Such tensors are bijectively associated with homogeneous polynomials in two variables, which are also called binary forms. One of the main methods is realrank, which uses QEPCAD to compute the real rank of binary forms defined over $\mathbb{Q}$.




This documentation describes version 0.1.3 of CoincidentRootLoci.

Source code

The source code from which this documentation is derived is in the file CoincidentRootLoci.m2. The auxiliary files accompanying it are in the directory CoincidentRootLoci/.


For the programmer

The object CoincidentRootLoci is a package.