Abstract
The general notion of a discriminant is as follows. Consider any function space \(\mathcal{F}\), finite dimensional or not, and some class of singularities S that the functions from \(\mathcal{F}\) can take at the points of the issue manifold. The corresponding discriminant variety ∑(S) ⊂ \(\mathcal{F}\) is the space of all functions that have such singular points. For example, let \(\mathcal{F}\) be the space of (real or complex) polynomials of the form
and S = {a multiple root}.
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Vassiliev, V.A. (1995). Topology of Discriminants and Their Complements. In: Chatterji, S.D. (eds) Proceedings of the International Congress of Mathematicians. Birkhäuser, Basel. https://doi.org/10.1007/978-3-0348-9078-6_16
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DOI: https://doi.org/10.1007/978-3-0348-9078-6_16
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