Papers
& preprint





Covering moves,
Trans. Amer. Math. Soc. 325 (1991), 903-920.
Covering homotopy 3-spheres,
Commentarii Mathematici Helvetici 67 (1992), 287-292.
Manifolds as branched covers of spheres,
Rend. Ist. Mat. Univ. Trieste XXV (1993), 419-439.
3-manifolds and pullbacks of branched coverings,
Journal of Knot theory and its Ramifications 4 (1995), 493-501.
Four-manifolds as 4-fold branched covers of S4,
Topology 34 (1995), 497-508.
Representing links in 3-manifolds by branched coverings of S3,
with M. Mulazzani,
Manuscripta Mathematica 97 (1998), 1-14.
Compact Stein surfaces with boundary as branched covers of B4,
with A. Loi,
Inventiones mathematicae 143
(2001), 325-348.
Braiding non-orientable surfaces in S4,
with D. Zuddas,
Atti Sem. Mat. Fis. Univ. Modena, Suppl. Vol. II. (2001), 229-239.
Lifting braids,
with M. Mulazzani,
Rend. Ist. Mat. Univ. Trieste, Suppl. 1, XXXII (2001), 193-219.
4-manifolds as covers of the 4-sphere branched over non-singular surfaces,
with M. Iori,
Geometry & Topology, 6 (2002), 393-401.
A universal ribbon surface in B4,
with D. Zuddas,
Proc. London Math. Soc. 90 (2005), 763-782.
The complex of pant decompositions of a surface,
with S. Benvenuti,
Topology Appl. 156 (2008), 399-419.
Involutions of 3-dimensional handlebodies,
with A. Pantaleoni,
Fund. Math. 215 (2011), 101-107.
Branchfolds and rational conifolds,
with S. Benvenuti and G. Tomassoni,
Atti Semin. Mat. Fis. Modena Reggio Emilia 58 (2011), 57-100.
On four-dimensional 2-handlebodies and three-manifolds,
with I. Bobtcheva,
Journal of Knot Theory and its Ramifications 21 (2012).
Automorphisms of trivalent graphs,
with S. Benvenuti,
European Journal of Combinatorics 34 (2013), 987-1009.
Lefschetz fibrations over the disk,
with N. Apostolakis and D. Zuddas,
Proc. London Math. Soc. 107 (2013), 240-290.
Special moves for open book decompositions of 3-manifolds,
with D. Zuddas,
Journal of Knot Theory and its Ramifications 27 (2018), 1843008.
On the generic triangle group and the free metabelian group of rank 2,
with S. Isola,
Bullettin of the Belgian Mathematical Society 25 (2018), 653-676.
On branched covering representation of 4-manifolds,
with D. Zuddas,
Journal of the London Mathematical Society 100 (2019), 1-16.
Branched coverings of CP2 and other basic 4-manifolds,
with D. Zuddas,
Bull. London Math. Soc. 53 (2021), 825-842.

The simplest erasing substitution,
with A. Della Corte and S. Isola,
Nonlinearity 35 (2022), 4317-4356.

Covering moves and Kirby calculus,
with I. Bobtcheva,
preprint.
A universal invariant of four-dimensional 2-handlebodies and three-manifolds,
with I. Bobtcheva,
preprint.


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