Title of article :
Small contractions and symplectic 4-folds
Author/Authors :
Wierzba، Jan نويسنده , , Wisniewski، Jaroslaw نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2003
Abstract :
We classify small contractions of (holomorphically) symplectic 4folds.
Keywords :
Ethiopia , human impact , Land degradation , Late Quaternary , sediment deposition , Deforestation , Soil erosion , Desertification
Journal title :
DUKE MATHEMATICAL JOURNAL
Journal title :
DUKE MATHEMATICAL JOURNAL