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- National Interuniversity Consortium for the Physical Sciences of MatterIT5 papers
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math.GT2008
Involutions of 3-dimensional handlebodies
Andrea Pantaleoni, Riccardo Piergallini
We study the orientation preserving involutions of the orientable 3-dimensional handlebody , for any genus . A complete classification of such involutions is given in terms…
math.GT2007
The complex of pant decompositions of a surface
Silvia Benvenuti, Riccardo Piergallini
We exhibit a set of edges (moves) and 2-cells (relations) making the complex of pant decompositions on a surface a simply connected complex. Our construction, unlike the previous o…