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Quivers with potentials and their representations II: Applications to cluster algebras
Author(s):
Harm
Derksen;
Jerzy
Weyman;
Andrei
Zelevinsky
Journal:
J. Amer. Math. Soc.
23
(2010),
749-790.
MSC (2010):
Primary 16G10;
Secondary 16G20, 16S38, 16D90
Posted:
February 8, 2010
MathSciNet review:
2629987
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Abstract:
We continue the study of quivers with potentials and their representations initiated in the first paper of the series. Here we develop some applications of this theory to cluster algebras. As shown in the ``Cluster algebras IV'' paper, the cluster algebra structure is to a large extent controlled by a family of integer vectors called  -vectors, and a family of integer polynomials called  -polynomials. In the case of skew-symmetric exchange matrices we find an interpretation of these  -vectors and  -polynomials in terms of (decorated) representations of quivers with potentials. Using this interpretation, we prove most of the conjectures about  -vectors and  -polynomials made in loc. cit.
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Additional Information:
Harm
Derksen
Affiliation:
Department of Mathematics, University of Michigan, Ann Arbor, Michigan 48109
Email:
hderksen@umich.edu
Jerzy
Weyman
Affiliation:
Department of Mathematics, Northeastern University, Boston, Massachusetts 02115
Email:
j.weyman@neu.edu
Andrei
Zelevinsky
Affiliation:
Department of Mathematics, Northeastern University, Boston, Massachusetts 02115
Email:
andrei@neu.edu
DOI:
10.1090/S0894-0347-10-00662-4
PII:
S 0894-0347(10)00662-4
Received by editor(s):
April 16, 2009
Received by editor(s) in revised form:
November 13, 2009
Posted:
February 8, 2010
Additional Notes:
The first author was supported by the NSF grants DMS-0349019 and DMS-0901298.
The second author was supported by the NSF grant DMS-0600229.
The third author was supported by the NSF grants DMS-0500534 and DMS-0801187, and by a Humboldt Research Award.
Copyright of article:
Copyright
2010,
American Mathematical Society
The copyright for this article reverts to public domain after 28 years from publication.
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