...G.D. Birkhoff and OD Kellogg (1878-1932) used this idea to prove the existence of solutions to differential equations as fixed point theorems for (not necessarily linear) completely continuous operators in Banach spaces. This idea was extended to the proof of the existence of solutions to partial differential equations by JP Schauder (1899-1943), J. Leray (1906- ), and others. *Some of the terminology that mentions "Schauder, JP" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…この考えによりG.D.バーコフとケロッグO.D.Kellog(1878‐1932)は,微分方程式の解の存在を,バナッハ空間における(必ずしも線形でない)完全連続作用素の不動点定理として証明した。このような考え方は,シャウダーJ.P.Schauder(1899‐1943),ルレーJ.Leray(1906‐ )らによって,偏微分方程式の解の存在証明にも拡張された。 ※「Schauder,J.P.」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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