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We study D-branes in the background of Euclidean AdS2xS2 with a graviphotonfield turned on. As the background is not Ricci flat, the graviphoton fieldmust have both self-dual and antiself-dual parts. This, in general, will breakall the supersymmetries on the brane. However, we show that there exists alimit for which one can restore half of the supersymmetries. Further, we showthat in this limit, the N=1/2 SYM Lagrangian on flat space can be lifted on tothe Euclidean AdS2xS2 preserving the same amount of supersymmetries as in theflat case. We observe that without the C-dependent terms present in the actionthis lift is not possible.Comment: 12 pages, latex file; v2: minor corrections, references adde

= 1/2 Super Yang-Mills Theory on EuclideanAdS2 S2

= 1/2 Super Yang-Mills Theory on EuclideanAdS₂ S²