...For each k = 1, 2, ..., n , f ( a 1 , ..., a k -1 , z k , a k +1 , ..., a n ) is a (univariate) holomorphic function in the neighborhood of a k as a function of z k . A holomorphic function in this sense is continuous on D (Hartogs' theorem). This is a significant difference from the case of partially differentiable real functions. ... *Some of the terminology that mentions "Hartogs, F." is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…各k=1,2,……,nに対し,f(a1,……,ak-1,zk,ak+1,……,an)がzkの関数としてakの近傍で(一変数)正則関数である。 以上の意味で正則な関数は,Dで連続である(ハルトークスの定理Hartogs’ theorem)。このことは偏微分可能な実関数の場合との著しい相違である。… ※「Hartogs,F.」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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