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Abstract
Graded isolated singularities appear very naturally in algebraic pro-jcctive geometry (cf. [18]) or invariant theory of the binary polyhedral groups (cf. [15], [17]). We define mock finitely generated modules in the category of graded modules and we use such graded modules which are also Gorenstein injective (cf. [1], [2]) in this category to characterize graded isolated Gorenstein singularities.
1Supported by DGES grant PB95-1068 NATO CRC:974543 and junta de andalucia FQM0211
1Supported by DGES grant PB95-1068 NATO CRC:974543 and junta de andalucia FQM0211
Notes
1Supported by DGES grant PB95-1068 NATO CRC:974543 and junta de andalucia FQM0211