منابع مشابه
Toric difference variety
In this paper, the concept of toric difference varieties is defined and four equivalent descriptions for toric difference varieties are presented in terms of difference rational parametrization, difference coordinate rings, toric difference ideals, and group actions by difference tori. Connections between toric difference varieties and affine N[x]-semimodules are established by proving the corr...
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ژورنال
عنوان ژورنال: manuscripta mathematica
سال: 2006
ISSN: 0025-2611,1432-1785
DOI: 10.1007/s00229-006-0019-5