具体描述
In a book written for mathematicians, teachers of mathematics, and highly motivated students, Harold Edwards has taken a bold and unusual approach to the presentation of advanced calculus. He begins with a lucid discussion of differential forms and quickly moves to the fundamental theorems of calculus and Stokes’ theorem. The result is genuine mathematics, both in spirit and content, and an exciting choice for an honors or graduate course or indeed for any mathematician in need of a refreshingly informal and flexible reintroduction to the subject. For all these potential readers, the author has made the approach work in the best tradition of creative mathematics.
This affordable softcover reprint of the 1994 edition presents the diverse set of topics from which advanced calculus courses are created in beautiful unifying generalization. The author emphasizes the use of differential forms in linear algebra, implicit differentiation in higher dimensions using the calculus of differential forms, and the method of Lagrange multipliers in a general but easy-to-use formulation. There are copious exercises to help guide the reader in testing understanding. The chapters can be read in almost any order, including beginning with the final chapter that contains some of the more traditional topics of advanced calculus courses. In addition, it is ideal for a course on vector analysis from the differential forms point of view.
The professional mathematician will find here a delightful example of mathematical literature; the student fortunate enough to have gone through this book will have a firm grasp of the nature of modern mathematics and a solid framework to continue to more advanced studies.
The most important feature…is that it is fun—it is fun to read the exercises, it is fun to read the comments printed in the margins, it is fun simply to pick a random spot in the book and begin reading. This is the way mathematics should be presented, with an excitement and liveliness that show why we are interested in the subject.
—The American Mathematical Monthly (First Review)
An inviting, unusual, high-level introduction to vector calculus, based solidly on differential forms. Superb exposition: informal but sophisticated, down-to-earth but general, geometrically rigorous, entertaining but serious. Remarkable diverse applications, physical and mathematical.
—The American Mathematical Monthly (1994) Based on the Second Edition
作者简介
目录信息
读后感
用户评价
这本新近出版的分析学教材,着实让我眼前一亮。它在基础概念的阐述上做得极为扎实,特别是对拓扑空间和连续性的刻画,既严谨又不失洞察力。作者似乎非常注重直觉的培养,通过大量的几何实例和可视化的思想,将那些抽象的极限和收敛性概念“拉”到了读者的面前。比如,在处理开集和闭集的时候,书中引入了一种非常巧妙的拓扑结构可视化工具,使得原本晦涩的证明过程变得清晰可循。我尤其欣赏它在引入测度论之前,对 $sigma$-代数和可测集进行的概念铺垫,这种循序渐进的方式极大地降低了初学者的理解门槛。不过,对于那些期望一步到位、直接进入 Lebesgue 积分世界的读者来说,可能会觉得前期的铺陈稍显冗长,但从长远来看,这种打基础的扎实态度绝对是值得称赞的。总而言之,这是一本能真正教会你“思考”分析的入门级佳作,它拒绝走捷径,坚持将数学的内在逻辑和美感展露无遗。
说实话,我拿到这本书时,是带着一种“试试看”的心态,因为市面上关于高等分析的书籍已经汗牛充栋。然而,这本书的叙述风格出乎意料地具有“讲故事”的魅力,尽管内容是高度技术性的。它仿佛是一位经验丰富的老教授,在你耳边细语,解释每一个数学概念背后的“为什么”和“如何演变而来”。它在讲解积分理论时,花费了大量的笔墨去追溯黎曼积分的局限性,这种历史的脉络感让读者能更自然地接受测度论的必要性。例如,在引入测度时,它没有急于给出严苛的定义,而是先通过“可加性”的直观需求,逐步引导至外测度的概念,再通过 Carathéodory 构造法完成了测度的严密建立。这种教学法极大地缓解了纯粹形式化带来的枯燥感,让读者感觉自己是探索过程的一部分,而非被动接受结论。如果你希望在学习过程中保持高度的参与感和探索欲,这本书的叙事节奏会非常对你的胃口。
这本书在对多变量微积分的重新构建上,展现出一种非常现代和统一的视角。它似乎有意避开了传统教材中那种将微分、积分、链式法则视为孤立知识点的处理方式,而是将所有工具都置于一个统一的线性代数框架下进行考察。特别是对雅可比矩阵和梯度概念的阐述,不再是简单的公式堆砌,而是清晰地揭示了它们作为线性近似在局部空间中的几何意义。我发现书中对“方向导数”的讨论极其精彩,它不仅仅计算了数值,更强调了它作为特定方向上瞬时变化率的内在联系。此外,它在介绍多元函数的极值问题时,对 Hessian 矩阵的特征值分析被提升到了核心地位,这比仅仅依赖于二阶偏导数检验要深刻得多。对于那些准备向微分几何或优化理论迈进的读者,这本书提供的基础视角是极为宝贵的,它为后续更复杂的空间结构打下了坚实而灵活的代数基础。
翻开这本厚重的数学著作,首先感受到的是一种扑面而来的、近乎“冷峻”的纯粹性。作者似乎对“直观”保持着一种审慎的距离,而是将全部精力倾注于逻辑链条的完美无瑕。对于已经掌握了标准微积分体系,并渴望进入更深层次实分析领域的人来说,这本书无疑提供了一个极具挑战性的平台。它对反例的挖掘和对定理边界条件的探讨达到了近乎苛刻的程度,每一个推论的得出都伴随着对先前假设的严格审视。我印象最深的是关于一致收敛性的章节,它并没有简单地给出教科书式的证明,而是深入剖析了为什么“逐点收敛”在很多情况下是失效的,并用傅里叶级数展开的特定例子进行了残酷的展示。阅读过程常常需要停下来,反复咀嚼每一个量词和每一个蕴含关系,这是一种智力上的高强度训练。对于那些以“掌握”为目标,而非仅仅满足于“了解”的严肃学习者,这本书的价值无可替代,它迫使你直面分析学的核心难题。
这本书在数学工具的集成和应用展现上,达到了一个令人赞叹的高度。它似乎将传统实分析与一些更偏向于几何和拓扑的工具进行了一次成功的“联姻”。书中对“向量场”和“流”的讨论,明显带有更深层次的微分几何的影子,这使得原本在物理或工程中常见的概念,在数学上获得了更加清晰和普适的描述。我特别欣赏它对高维积分的阐述,并没有止步于阐述斯托克斯定理或格林公式的声明,而是将其置于微分形式的对偶性下进行统一考察,这种抽象层面的统一性,极大地增强了理论的迁移能力。对于那些希望将分析学知识应用于现代数学分支(如微分拓扑或动力系统)的学生而言,这本书提供的视角是远远超出一般分析教材的。它不仅仅是教会你如何计算积分或极限,更是为你提供了一套跨越不同数学领域的通用语言和思维框架。