ON TWO-DIMENSIONAL NORMAL SINGULARTTIES OF TYPE ,AH,mD„ AND ,£„

@inproceedings{OHYANAGI2010ONTN,
  title={ON TWO-DIMENSIONAL NORMAL SINGULARTTIES OF TYPE ,AH,mD„ AND ,£„},
  author={SHIGEKI OHYANAGI},
  year={2010}
}
  • SHIGEKI OHYANAGI
  • Published 2010
Let G be the weighted dual graph associated with a contractible curve A = U A¡. There are many combinations of the weights A¡ ■ A¡ which make the graph contractible. If G is a graph which is the weighted dual graph for a rational singularity with any combination of the weights, then G is either An, tD„ or tE„. 

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