Portugaliae Mathematica   EMIS ELibM Electronic Journals PORTUGALIAE
MATHEMATICA
Vol. 59, No. 2, pp. 179-194 (2002)

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On Divergent Diagrams of Finite Codimension

S. Mancini, M.A.S. Ruas and M.A. Teixeira

Instituto de Geociências e Ciências Exatas,
Universidade Estadual Paulista, Departamento de Matemática,
13500-230, Rio Claro, SP -- BRASIL
E-mail: smancini@rc.unesp.br
Instituto de Ciências Matemáticas e de Computaç\ ao,
Universidade de S\ ao Paulo, Departamento de Matemática,
13560-970, S\ ao Carlos, SP -- BRASIL
E-mail: maasruas@icmc.sc.usp.br
Instituto de Matemática, Estat\'istica e Computaç\ ao Cient\'ifica,
UNICAMP, Departamento de Matemática,
13081-970, Campinas, SP -- BRASIL
E-mail: teixeira@ime.unicamp.br

Abstract: We obtain the formal classification of finite codimension singular points of smooth divergent diagrams of the type $(f,g):(\R,0){\longleftarrow} (\R^{n},0){\longrightarrow}(\R,0),\ n\geq 2$. We also define a complete set of topological invariants for this classification.

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