Abstract
K. Yu [16] had generalized Mahler's classification to several variables. Here we will deal with generalizations of both the Mahler and Koksma classification. We will discuss the relationship between these classifications, formulate a metric theorem, and pose a number of open problems.
Citation
Wolfgang Schmidt. "Mahler and Koksma classification of points in $\mathbb{R}^n$ and $\mathbb{C}^n$.." Funct. Approx. Comment. Math. 35 307 - 319, January 2006. https://doi.org/10.7169/facm/1229442630
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