we are in the case of Proposition 9 where we get that r X m,d (P ) = 2d. (III2.3) The scheme A is the union of a simple point and of a degree 3 curvilinear 0-dimensional scheme supported on one point. Proposition 11 gives us that r X m,d (P ) = 2d, III3) If (Supp(A)) = 3 then A can only be the union of two simple points and a degree 2 ,
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