We exhibit a set of edges (moves) and 2 cells (relations) making the complex of transformations of rigid structures on a surface a connected and simply connected one. The moves and the relations turn out to be supported in subsurfaces with 3g-3+r=1,2, illustrating this way the so called Grothendiek principle.
A Lego-Teichmüller game I
BENVENUTI, Silvia
2003-01-01
Abstract
We exhibit a set of edges (moves) and 2 cells (relations) making the complex of transformations of rigid structures on a surface a connected and simply connected one. The moves and the relations turn out to be supported in subsurfaces with 3g-3+r=1,2, illustrating this way the so called Grothendiek principle.File in questo prodotto:
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