The first canonical stratum. (English) Zbl 0453.58009
MSC:
58C25 | Differentiable maps on manifolds |
58K99 | Theory of singularities and catastrophe theory |
14H20 | Singularities of curves, local rings |
14H15 | Families, moduli of curves (analytic) |
32S60 | Stratifications; constructible sheaves; intersection cohomology (complex-analytic aspects) |