6533b836fe1ef96bd12a0b7b

RESEARCH PRODUCT

On coverings with special points and monodromy group a Weyl group of type B_d

Francesca Vetroa

subject

Hurwitz spacespecial fibers branched coveringWeyl groupPure mathematicsGeneral Mathematicsmonodromybraid moves.Type (model theory)Algebrasymbols.namesakeMonodromysymbolsSettore MAT/03 - GeometriaMathematics

description

In this paper we study Hurwitz spaces parameterizing coverings with special points and with monodromy group a Weyl group of type Bd. We prove that such spaces are irreducible if k > 3d ? 3. Here, k denotes the number of local monodromies that are reflections relative to long roots.

10.2298/fil1402275vhttp://hdl.handle.net/10447/98164