Relatively stable bundles over elliptic fibrations
C. Bartocci, U. Bruzzo, D. Hernandez Ruiperez, J. M. Muñoz Porras
Abstract
We consider a relative Fourier-Mukai transform defined on elliptic fibrations over an arbitrary normal base scheme. This is used to construct relative Atiyah sheaves and generalize Atiyah's and Tu's results about semistable sheaves over elliptic curves to the case of elliptic fibrations. Moreover we show that this transform preserves relative (semi)stability of sheaves of positive relative degree.
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