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Centro de Ciencias Matemáticas UNAM

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Higher Jacobian matrix of weighted homogeneous polynomials and derivation algebras

Abstract:

We prove that the ideal generated by the maximal minors of the higher-order Jacobian matrix of a weighted homogeneous polynomial is also weighted homogeneous. As an application, we give a partial answer to a conjecture concerning the non-existence of negative weight derivations on the higher Nash blowup local algebra of a hypersurface.
Keywords: Higher Nash blowup local algebras|| Higher-order Jacobian matrix||Weighted homogeneous isolated hypersurface singularities
MSC: 14B05, 32S05, 13N15
Journal: Journal of Singularities
ISSN: 1949-2006
Year: 2025
Volume: 28
Pages: 197-206
Created Created: 2025-08-27 15:46:33
Modified Modified: 2025-08-27 15:47:43
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