简介：
简介：ThispapercharacterizestheirrationalrotaionC^*-algebraassociatedwiththeToeplitxC^*-algebraovertheZ-shapeddomaininC^2inthesenseofthemaximalradicalseries,whichisanisomorphisminvariant.
简介：TheauthorsdeterminetheinvariantsoftheirrationalrotationC*-algebrasovertheLshapeddomaininC^2bythemaximalradicalseries.
简介：水是干旱区最为宝贵的自然资源之一，水量平衡在很大程度上影响着土地荒漠化过程．本文在荒漠化公约所作的荒漠化气候分区的基础上，对干旱区因水资源的不合理利用对土地荒漠化的影响如土壤盐渍化、植被退化和现有耕地的废弃加以综合分析，并据此提出了缓解这些影响的相应对策．
Study on Herding Equilibrium of Irrational Informed Trader
IRRATIONAL ROTATION c^＊—ALGEBRA FOR GROUPOID c^＊—ALGEBRA
THE K-THEORY AND THE CLASSIFICATION OF THE IRRATIONAL ROTATION GROUPOID C＊-ALGEBRAS
The Impacts of Irrational Exploitation and Utilization of Water Resources on Land Desertification and Its Countermeasures in the Arid Area of China
