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arxiv: math/0608321 · v2 · submitted 2006-08-13 · 🧮 math.RT

A computational criterion for the Kac conjecture

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keywords criterionconjectureabsolutelyalgebraassertingassociatedcoincidescomputational
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We give a criterion for the Kac conjecture asserting that the free term of the polynomial counting the absolutely indecomposable representations of a quiver over a finite field of given dimension coincides with the corresponding root multiplicity of the associated Kac-Moody algebra. Our criterion suits very well for computer tests.

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