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math.GT2016
The bifurcation set of a real polynomial function of two variables and Newton polygons of singularities at infinity
Masaharu Ishikawa, Tat Thang Nguyen, Tien Son Pham
In this paper, we determine the bifurcation set of a real polynomial function of two variables for non-degenerate case in the sense of Newton polygons by using a toric compactifica…
math.GT2014★ 1 cited
On linear deformations of Brieskorn singularities of two variables into generic maps
Kazumasa Inaba, Masaharu Ishikawa, Masayuki Kawashima +1
In this paper, we study deformations of Brieskorn polynomials of two variables obtained by adding linear terms consisting of the conjugates of complex variables and prove that the…