A complete characterization of A_0-sufficiency of plane-to-plane jets of rank 1
Journal of Singularities, Tome 3 (2011), pp. 89-112

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Sufficient conditions for A_0-sufficiency of plane-to-plane r-jets are known. These conditions are stated in the form of two Lojasiewicz inequalities which have to be satisfied. The first of these inequalities is known to be necessary for A_0-sufficiency, and in this article we prove that the second inequality is also necessary for A_0-sufficiency of all jets of rank 1. We also prove that a simpler Lojasiewicz inequality is equivalent to the second inequality for rank 1 jets.
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     author = {Olav Skutlaberg},
     title = {A complete characterization of {A_0-sufficiency} of plane-to-plane jets of rank 1},
     journal = {Journal of Singularities},
     pages = {89--112},
     publisher = {mathdoc},
     volume = {3},
     year = {2011},
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     url = {http://geodesic.mathdoc.fr/articles/10.5427/jsing.2011.3f/}
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Olav Skutlaberg. A complete characterization of A_0-sufficiency of plane-to-plane jets of rank 1. Journal of Singularities, Tome 3 (2011), pp. 89-112. doi: 10.5427/jsing.2011.3f

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