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我们在[7]中引进了Gorenstein平坦模。本文将这类模的刻画推广到任意n-Gorenstein环上,并利用这类模刻画了n-Gorestein环。而且,我们证明了任意n-Gorenstein环上Gorenstein平坦预包络的存在性,并证得得这种环关于Gorenstein平坦模的内射类的整体维数至多为n-2,当n≤1时,该整体维数为零。 相似文献
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A repeat expansion in the gene encoding junctophilin-3 is associated with Huntington disease-like 2.
S E Holmes E O'Hearn A Rosenblatt C Callahan H S Hwang R G Ingersoll-Ashworth A Fleisher G Stevanin A Brice N T Potter C A Ross R L Margolis 《Nature genetics》2001,29(4):377-378
We recently described a disorder termed Huntington disease-like 2 (HDL2) that completely segregates with an unidentified CAG/CTG expansion in a large pedigree (W). We now report the cloning of this expansion and its localization to a variably spliced exon of JPH3 (encoding junctophilin-3), a gene involved in the formation of junctional membrane structures. 相似文献
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Expansion of a novel CAG trinucleotide repeat in the 5' region of PPP2R2B is associated with SCA12 总被引:9,自引:0,他引:9
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