期刊名称：Sankhya. Series A, mathematical statistics and probability
印刷版ISSN：0976-836X
电子版ISSN：0976-8378
出版年度：2010
卷号：72
期号：01
页码：19--36
出版社：Indian Statistical Institute
摘要：We use the ordinal solution of open games to define constituents of analytic
and coanalytic sets. Various properties of theses constituents are established
and it is shown that they behave just as regularly as the classical constituents
of Luzin and Sierpinski.
关键词：Analytic set, coanalytic set, constituents, prewellordering,
open games.
