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Atypical values, foliations and global diffeomorphisms.

Grant number: 12/22770-0
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): March 01, 2013
Effective date (End): May 31, 2013
Field of knowledge:Physical Sciences and Mathematics - Mathematics - Geometry and Topology
Principal researcher:Carlos Alberto Maquera Apaza
Grantee:Luis Renato Gonçalves Dias
Home Institution: Instituto de Ciências Matemáticas e de Computação (ICMC). Universidade de São Paulo (USP). São Carlos , SP, Brazil


Let f:K^n -> K^p be a C^2 semi-algebraic mapping for K=R or a polynomial mapping for K=C$. It is well-known that f is a locally trivial topological fibration over the complement of the atypical set. The objects of this project are atypical values, foliations defined by f and global diffeomorphisms for n=p. The main proposals are: to extend for atypical values, the techniques used in foliation; to extend for foliations, the techniques used in atypical values. In addition, we propose to use different techniques in the study of global diffeomorphisms $f:K^n -> K^n$.

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