Vincent Cavalier, Daniel Lehmann
Published 2008-03-17Version 1
We describe the global structure of holomorphic webs in codimension one, and in particular their singularity (caustic). Various concepts are introduced, which have no interest locally near a regular point, such as the type, the reducibility, the quasi-smoothness, the CI property (complete intersection), the dicriticity... We prove for instance that the algebraicity of a web globally defined on a complex projective space may be readen on its caustic (dicriticity), at least if each irreducible component is CI, and the web quasi-smooth. .
Degeneration of endomorphisms of the complex projective space in the hybrid space
Equidistribution of varieties for endomorphisms of projective spaces
Bogdanov-Takens bifurcation of codimension $3$ in the Gierer-Meinhardt model
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