Mathematics – Algebraic Geometry
Scientific paper
2009-03-23
Mathematics
Algebraic Geometry
Scientific paper
In earlier papers there were given formulae for the Poincare series of multi-index filtrations on the ring of germs of functions of two variables defined by collections of valuations corresponding to (reducible) plane curve singularities and by collections of divisorial ones. It was shown that the Poincare series of a collection of divisorial valuations determines the topology of the collection of divisors. Here we give a formula for the Poincare series of a general collection of valuations on the ring of germs of functions of two variables centred at the origin and prove a generalization of the statement that the Poincare series determines the topology of the collection.
Campillo Antonio
Delgado Felix
Gusein-Zade Sabir M.
Hernando Fernando
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