《示性类》内容简介:The text which follows is based mostly on lectures at PrincetonUniversity in 1957. The senior author wishes to apologize for the delayin publication.The theory of characteristic classes began in the year 1935 with almostsimultaneous work by HASSLER WHITNEY in the United States andEDUARD STIEFEL in Switzerland. StiefeI's thesis, written under thedirection of Heinz Hopf, introduced and studied certain "characteristic"homology classes determined by the tangent bundle of a smooth manifold.Whitney, then at Harvard University, treated the case of an arbitrary spherebundle. Somewhat later he invented the language of cohomology theory,hence the concept of a characteristic cohomology class, and proved thebasic product theorem.
《钱学森力学手稿8》为钱学森力学手稿第八卷。包含两部分内容。部分是草稿,包括扁壳、球壳和圆柱壳屈曲分析的公式推导和数值演算。第二部分是手稿,以航空航天工程为核心,涵盖空气动力学、固体力学、火箭技术、工程控制论和物理力学等领域的部分学术论文手稿、打印稿和讲义。
《线性代数群》讲述了:For this printing, I have corrected some errors and made numerous minor changes in the interest of clarity. The most significant corrections occur in Sections 4.2, 4.3, 5.5, 30.3, 32.1, and 32.3. I have also updated the biblio-graphy to some extent. Thanks are due to a number of readers who took the trouble to point out errors, or obscurities; especially helpful were the detailed ments of Jose Antonio Vargas...
本书分五大部分:部分英汉词目,将植物病理学的常用词和术语补充至9436条;第二部分汉英词目,是为了方便读者使用,将英汉词目内容做成中文索引并排序而成,共有9642条;第三部分,英汉拉(病原)植病名称,共9980条;第四部分汉英拉(病原)植病名称,共9270条;第五部分为病原拉丁名索引,共5300条。 英汉词目、英汉拉植病名称一律按英文字母顺序排列,复合词作为一个词编排。汉英词目、汉英拉植病名称一律按拼音字母顺序排列。索引按英文字母顺序排列。 索引部分,内容包括病原的拉丁学名、病毒的拉丁化的科名称和病毒的俗名。
《凸优化(英文)》介绍了凸分析中的基本概念和对凸极小化问题的研究。《凸优化(英文)》选出了两卷书中的精华,删除了一些被认为是艰深晦涩以及和数值分析雷同的内容。书中各章有大量习题。目次:介绍:符号、基本结论;凸集;凸函数;次线性函数和支撑函数;有限凸函数的次微分;凸分析的共轭性。读者对象:数学专业的研究生及数学工作者。
《线性代数群》讲述了:For this printing, I have corrected some errors and made numerous minor changes in the interest of clarity. The most significant corrections occur in Sections 4.2, 4.3, 5.5, 30.3, 32.1, and 32.3. I have also updated the biblio-graphy to some extent. Thanks are due to a number of readers who took the trouble to point out errors, or obscurities; especially helpful were the detailed ments of Jose Antonio Vargas...