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math.AG2004
On bifurcation braid monodromy of elliptic fibrations
Michael Lönne
We define a monodromy homomorphism for irreducible families of regular elliptic fibrations which takes values in the mapping class group of a punctured sphere. We compute the monod…
math.AG2004★ 1 cited
Hurwitz stabilisers of some short redundant Artin systems for the braid group Br_3
Michael Lönne
We investigate the Hurwitz action of the braid group Br_n on the n-fold Cartesian product of Br_3 and determine some stabilisers of its Artin systems. Our algebraic result is compl…
math.AG2000
Monodromy groups of irregular elliptic surfaces
Michael Lönne
Monodromy groups, i.e. the groups of isometries of the intersection lattice L_X:=H_2/torsion generated by the monodromy action of all deformation families of a given surface, have…