条件正定型与扩张  

CONDITIONAL POSITIVE FORMS AND DILATIONS

作　　者：杨海涛[1] 

机构地区：[1]同济大学应用数学系,上海200092

出　　处：《系统科学与数学》2005年第5期543-549,共7页Journal of Systems Science and Mathematical Sciences

摘　　要：讨论条件正定型与扩张问题．得到了Pontrjagin空间上对称算子的扩张定理．In this paper, problems of conditional positive forms and dilations are studied, and dilation theorems of symmetric operator on Pontrjagin spaces are obtained.

关 键 词：条件正定型 扩张定理 PONTRJAGIN空间 对称算子 共轭线性 HILBERT空间 

分 类 号：O151.2[理学—数学]