Multivariable Hodge theoretical invariants of germs of plane curves. II
Pierrette Cassou-NoguèsUniversité Bordeaux I, Talence, France
Anatoly LibgoberUniversity of Illinois at Chicago, USA
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The paper describes several invariants of plane curve singularities in terms of the data of associated Newton trees. Newton trees of singularities are discussed in detail also. The invariants which we study include the constants and faces of quasi-adjunction, log-canonical walls and Arnold-Steenbrink spectrum. As one of the consequences of these calculations we show the failure of ACC for the set of constants of quasi-adjunction of all plane curve singularities, which contains the set of log-canonical thresholds as a subset.