INVESTIGADORES
DICKENSTEIN Alicia Marcela
congresos y reuniones científicas
Título:
Tropical discriminants
Autor/es:
A. DICKENSTEIN
Lugar:
Madrid, Espa~na
Reunión:
Conferencia; IMDEA Tropical seminar; 2008
Institución organizadora:
IMDEA
Resumen:
The theory of A-discriminants is a far going generalization of thediscriminant of a univariate polynomial, proposed in the late 80´s byGel´fand, Kapranov and Zelevinsky, who also described many of theircombinatorial properties.  We present a new approach to this theoryusing tropical geometry.We tropicalize the Horn-Kapranov uniformization, which allows us todetermine invariants of A-discriminants, even if the actual equationsare too hard to be computed.The talk will include definitions and basic results about thetropicalization of algebraic varieties.Joint work with Eva Maria Feichtner and Bernd Sturmfels.