期刊名称：International Journal of Distributed and Parallel Systems
印刷版ISSN：2229-3957
电子版ISSN：0976-9757
出版年度：2012
卷号：3
期号：5
DOI：10.5121/ijdps.2012.3503
出版社：Academy & Industry Research Collaboration Center (AIRCC)
摘要：Spark plays a great role in studying uniqueness of sparse solutions of the underdetermined linear equations. In this article, we derive a new lower bound of spark. As an application, we obtain a new criterion for the uniqueness of sparse solutions of linear equations
关键词：Underdetermined; Linear equations; Sparse solution; Spark.;1.Introduction
