Polynomial approximation of regular functions of a quaternionic variable

J. Szczepański
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Abstract

We consider Bernstein-Walsh-Siciak-type theorems on the polynomial approximation in the case of regular functions of one quaternionic variable and their applications to the uniform approximation and approximation in Lp norms with respect to measures satisfying the Bernstein-Markov condition.
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四元数变量正则函数的多项式逼近
本文研究了一元四元数正则函数的多项式近似的bernstein - walsh - siciak型定理及其在满足Bernstein-Markov条件的测度的Lp范数一致近似和近似中的应用。
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