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The small dimension lemma and d’Alembert’s equation on semigroups
Aequationes Mathematicae ( IF 0.8 ) Pub Date : 2020-08-20 , DOI: 10.1007/s00010-020-00746-x Henrik Stetkær
中文翻译:
半群上的小维引理和d'Alembert方程
更新日期:2020-08-20
Aequationes Mathematicae ( IF 0.8 ) Pub Date : 2020-08-20 , DOI: 10.1007/s00010-020-00746-x Henrik Stetkær
We derive an algebraic version over an algebraically closed field k with characteristic \(\ne 2\) of Yang’s Small Dimension Lemma. With its help we describe the k-valued solutions of d’Alembert’s functional equation on semigroups S in terms of multiplicative functions and irreducible, 2-dimensional representations of S.
中文翻译:
半群上的小维引理和d'Alembert方程
我们在一个代数闭合域k上推导了一个代数形式,该域具有Yang小维引理的特征\(\ ne 2 \)。有了它的帮助,我们描述了ķ -valued达朗贝尔上半群功能方程的解小号中的乘法功能和束缚,二维表示的形式小号。