Orbit closures of directing modules are regular in codimension one

• Autores: Grzegorz Bobinski
• Localización: Journal of the London Mathematical Society, ISSN 0024-6107, Vol. 79, Nº 1, 2009, págs. 211-224
• Idioma: inglés
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• Resumen

  • We show that the orbit closure of a directing module is regular in codimension one. In particular, this result gives information about a distinguished irreducible component of a module variety