Differential Calculus for L^p-functions and L_loc^p-functions Revisited
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I studied the concepts of differentiability,derivatives and partial derivatives as the fundamental concepts of differential calculus in Ito [4],[5] . ln this paper, we study the fundamental properties of derivatives and partal derivatives of classical functions such as L^p-functions and L_loc^p-functions in the sense of L^p-convergence and L_loc^p-convergence respectively. Here we assume that p is a real number such that 1≤p<∞ holds. ln the calculation of such derivatives and partial derivatives,we do not need the theory of distributions except the case p = 1. Thereby,I give the new characterization of Soboley spaces and give the new meaning of Stone's Theorem. Especially,in the cases of L2-functions and L_loc^2-functions,these results have the essential role in the study of Schrödinger equations.
収録刊行物
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- Journal of mathematics, the University of Tokushima
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Journal of mathematics, the University of Tokushima 45 49-66, 2011
徳島大学
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詳細情報 詳細情報について
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- CRID
- 1050001337734599168
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- NII論文ID
- 110008729467
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- NII書誌ID
- AA11595324
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- ISSN
- 13467387
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- 本文言語コード
- en
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- 資料種別
- departmental bulletin paper
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- データソース種別
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- IRDB
- CiNii Articles