Data on Goo Ishikawa

index in English. --- index in Japanese. --- Papers. --- Preprints. --- Data in Japanese

E-mail address:
ishikawa(at)math.sci.hokudai.ac.jp

Research fields of Goo Ishikawa:
Singularity theory of mappings:
Lagrange and Legendre singularities,
Singularity theory of exterior differential systems,
Differentiable structures of mapping space quotients,
Catastrophe theory, Thom-Mather theory.
Symplectic and contact geometry:
Characteristic Cauchy problem for Hamilton-Jacobi equations,
Sub-Riemannian geometry,
Projective and Grassmann duality,
Fronts with degenerate Gauss mappings.
Real algebraic geometry:
Topology of real algebraic varieties,
The16th problem of Hilbert,
Topology of real rational curves and Fourier (trigonometric) curves,
Real algebraic homogeneous spaces,
Euler characteristics and Euler obstructions.

CV & Portrait (pdf file) & Portraits (pdf file)

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Goo Ishikawa (Go-o Ishikawa)