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math.GT2011★ 1 cited
Universal Lefschetz fibrations over bounded surfaces
Daniele Zuddas
In analogy with the vector bundle theory we define universal and strongly universal Lefschetz fibrations over bounded surfaces. After giving a characterization of these fibrations…
math.GT2011★ 7 cited
Lefschetz fibrations over the disc
Nikos Apostolakis, Riccardo Piergallini, Daniele Zuddas
We provide a complete set of moves relating any two Lefschetz fibrations over the disk having as their total space the same 4-dimensional 2-handlebody up to 2-equivalence. As a con…