Corpus ID: 18565053

Combinatorial aspects of nodal curves

@article{Busonero2006CombinatorialAO,
  title={Combinatorial aspects of nodal curves},
  author={Simone Busonero and M. Melo and L. Stoppino},
  journal={Le Matematiche},
  year={2006},
  volume={61},
  pages={109-141}
}
  • Simone Busonero, M. Melo, L. Stoppino
  • Published 2006
  • Mathematics
  • Le Matematiche
  • To any nodal curve C one associates its degree class group, a combinatorial invariant which plays an important role in the compactification of the generalized Jacobian of C and in the construction of the Neron model of the Picard variety of families of curves having C as special fibre. In this paper we study this invariant. More precisely, we construct a family of graphs having cyclic degree class group and we provide a recursive formula for the cardinality of the degree class group of the… CONTINUE READING

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