coamoebaとは 意味・読み方・使い方

名詞

coamoeba (複数形 coamoebas)

1. (数学) The graph of the real part of the logarithms of a polynomial equation under the argument mapping.
   • 2016, Jens Forsgård, “Coamoebas of polynomials supported on circuits”, in arXiv^[1]:

     Our results include an explicit description of the space of coamoebas, a relation between connected components of the coamoeba complement and critical points of the polynomial, an upper bound on the area of a planar coamoeba, and a recovered bound on the number of positive solutions of a fewnomial system..