2022/11/28 by Benjamin Bode, Bode, Benjamin
Mathematics · #Geometric and Algebraic Topology #Mathematical Dynamics and Fractals #Advanced Combinatorial Mathematics
paper · pdf · doi:10.48550/arxiv.2211.15394
A link in S3 is called real algebraic if it is the link of an isolated singularity of a polynomial map from ℝ4 to ℝ2. It is known that every real algebraic link is fibered and it is conjectured that the converse is also true. We prove this conjecture for a large family of fibered links, which includes closures of T-homogeneous (and therefore also homogeneous) braids and braids that can be written as a product of the dual Garside element and a positive word in the Birman-Ko-Lee presentation. The proof offers a construction of the corresponding real polynomial maps, which can be written as semiholomorphic functions. We obtain information about their polynomial degrees.