Effective criteria for bigraded birational maps

In this paper, we consider rational maps whose source is a product of two subvarieties, each one being embedded in a projective space. Our main objective is to investigate birationality criteria for such maps. First, a general criterion is given in terms of the rank of a couple of matrices that beca...

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Detalles Bibliográficos
Autores principales: Botbol, N., Busé, L., Chardin, M., Hassanzadeh, S.H., Simis, A., Tran, Q.H.
Formato: JOUR
Materias:
Bigraded base ideal
Bigraded rational maps
Birationality criteria
Jacobian dual rank
Rees algebras
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_07477171_v81_n_p69_Botbol
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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