arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2008.01538math.RA
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代数的IBN-簇

IBN-varieties of algebras

A. Tsurkov

摘要:

具有IBN(不变基数)性质的簇的概念最早出现在环论中.但是我们可以对具有任意签名的泛代数的任意泛代数簇定义这个概念,见定义1.4。簇的IBN性质的证明是泛代数几何中的一个重要问题。这是一个里程碑,在研究之间的关系几何和自守等价代数的这一品种。本文证明了定理2.1和3.2,这两个定理对于研究不同簇的IBN性质是非常简单但非常有用的。我们将考虑这个定理的应用。我们将考虑多类泛代数和一类泛代数。因此,所有的概念和结果都可以推广到多类情形。

英文摘要:

The concept of variety with IBN (invariant basic number) propriety first appeared in ring theory. But we can define this concept for arbitrary variety of universal algebras with arbitrary signature; see Definition 1.4. The proving of the IBN propriety of some variety is very important in universal algebraic geometry. This is a milestone in the study of the relation between geometric and automorphic equivalences of algebras of this variety. In this paper we prove very simple but very useful for studying of IBN proprieties of different varieties Theorems 2.1 and 3.2. We will consider applications of this theorem. We will consider many-sorted universal algebras as well as one-sorted. So all concepts and all results will by generalized for the many-sorted case.

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