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Listar Artículos (Álgebra) por autor "Piedra Sánchez, Ramón"
Mostrando ítems 1-4 de 4
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Artículo
Equimultiple locus of embedded algebroid surfaces and blowing-up in arbitrary characteristic
Piedra Sánchez, Ramón; Tornero Sánchez, José María (Chinese Academy of Sciences, 2009-12)This paper extends previous results of the authors, concerning the behaviour of the equimultiple locus of algebroid surfaces under blowing–up, to arbitrary characteristic.
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Artículo
Equimultiple locus of embedded algebroid surfaces and blowing-up in characteristic zero
Piedra Sánchez, Ramón; Tornero Sánchez, José María (Institute of Mathematics and Informatics, Bulgarian Academy of Sciences, 2004)The smooth equimultiple locus of embedded algebroid surfaces appears naturally in many resolution process, both classical and modern.In this paper we explore how it changes by blowing–up.
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Artículo
Hironaka's characteristic polygon and effective resolution of surfaces
Piedra Sánchez, Ramón; Tornero Sánchez, José María (Elsevier, 2007-03-01)Hironaka’s concept of characteristic polyhedron of a singularity has been one of the most powerful and fruitful ideas of ...
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Artículo
Pilar Pisón Casares, in memoriam
Ojeda Martínez de Castilla, Ignacio; Piedra Sánchez, Ramón (Real Sociedad Matematica Española, 2007)Estamos habituados a describir objetos matemáticos, a elaborar teorías, conjeturar resultados, demostrar asertos o refutar ...