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- Sign pattern matrix theory is a new branch of combinatorial matrix theory,which involves the study of the properties of matrices that depend only on thesign pattern of the matrices. 符号矩阵理论是组合矩阵论的一个新兴研究分支，是近年来在组合数学中较为活跃的一个研究方向。
- The Potential Idempotence of Nonnegaeive Sign Pattern Matrix 非负符号模式矩阵的蕴含幂等性
- Some Properties on the Inertia of Subdiagonal Sign Pattern Matrix 关于次对角模式矩阵惯量的若干性质
- Potential Stability of a Class of Sign Pattern Matrix 一类符号模式矩阵的蕴含稳定性
- A Class of Inertia of Sign Pattern Matrix with Zero Diagonal 一类具有零对角的符号模式的惯量
- The Inertias of Some Permutation Sign Pattern Matrix with Zero Diagonal Entries 主对角线全为零的置换模式矩阵的惯量
- THE STRUCTURE OF TRIPOTENT SIGN PATTERN MATRICES 三幂等符号模式矩阵的结构
- On the 3-linking of sign pattern matrices 关于符号矩阵的3-连接
- THE NUMBER OF NEGATIVE ENTRIES IN THE SQUARE OF A SIGN PATTERN MATRIX WITH NONPOSITIVE SQUARE 平方非正的符号矩阵的平方中负元个数
- The Lower Bound of the Number of Negative Entries of a Nonpositive Sign Pattern Matrix A~2 非正符号矩阵A~2中负元个数的下界
- On the Sign Pattern Matrices with Nonpositive k-power k次幂非正的符号模式矩阵
- sign pattern matrix 符号模式矩阵
- A PROOF ABOUT THE SHARP BOUND ON THE GENERALIZED BASE OF IRREDUCIBLE SIGN PATTERN MATRICES 不可约符号矩阵的广义基指数的上界的可达性证明
- Badge is sign pattern indite by Chenshaohua, Hanmeilin and Jindaiqiang, three artists.Bid for the Olympic game's slogan is:New Beijing, Great Olympics. 会徽为陈绍华、韩美林和靳埭强三位艺术家共同创作的标志图案；
- A sign pattern is a generalized star sign pattern if it is combinatorial symmetric and its graph is a generalized star graph. 如果符号模式A是组合对称的，且它的图是一个广义星图，则称A是广义星符号模式。
- He persuaded her to sign the document by guile. 他用欺骗手段说服她在文件上签字。
- This cloth has a pattern of blue and white squares. 这种布有蓝白格子的图案。
- There is no sign of a let-up in the hijack crisis. 绑架危机毫无缓和迹象。
- I was forced to sign the agreement against my will. 我被迫违心地在协议上签了字。
- The economy should be shaped to a new pattern. 经济应该适合于一种新的模式。
