An orbit closure for a representation of the Kronecker quiver with bad singularities
نویسندگان
چکیده
منابع مشابه
an investigation of the types of text reduction in subtitling: a case study of the persian film gilaneh with english subtitles
چکیده ندارد.
15 صفحه اولAnd the Graded Kronecker Quiver
The topology of Lagrangian submanifolds gives rise to some of the most basic, and also most difficult, questions in symplectic geometry. We have many tools that can be brought to bear on these questions, but each one is effective only in a special class of situations, and their interrelation is by no means clear. The present paper is a piece of shamelessly biased propaganda for a relatively obs...
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Abstract. We deduce using the Ringel-Hall algebra approach explicit formulas for the cardinalities of some Grassmannians over a finite field associated to the Kronecker quiver. We realize in this way a quantification of the formulas obtained by Caldero and Zelevinsky for the Euler characteristics of these Grassmannians. We also present a recursive algorithm for computing the cardinality of ever...
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Any moduli space of representations of a quiver (possibly with oriented cycles) has an embedding as a dense open subvariety into a moduli space of representations of a bipartite quiver having the same type of singularities. A connected quiver is Dynkin or extended Dynkin if and only if all moduli spaces of its representations are smooth.
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ژورنال
عنوان ژورنال: Colloquium Mathematicum
سال: 2003
ISSN: 0010-1354,1730-6302
DOI: 10.4064/cm97-1-8