A set of generators for the modular group of a surface with boundary, both in the orientable and nonorientable cases is given. All inequivalent pin structures are constructed and their transformations under these generators are computed.
Diffeomorphisms, Orientation, and Pin Structures in 2 Dimensions
Dabrowski, Ludwik;Percacci, Roberto
1988-01-01
Abstract
A set of generators for the modular group of a surface with boundary, both in the orientable and nonorientable cases is given. All inequivalent pin structures are constructed and their transformations under these generators are computed.File in questo prodotto:
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