outset
发表于 2025-3-27 00:03:55
Richard Courant,Fritz Johnoncommutative geometry proper. Along this road, near the end, we arrive at the Hochschild-Kostant-Rosenberg-Connes theorem, which amounts to a homological construction of differential forms. This is one of the key results in this book, and in the whole of noncommutative geometry. Along the way, we p
相一致
发表于 2025-3-27 01:26:52
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沙漠
发表于 2025-3-27 07:03:37
Richard Courant,Fritz John linear theory, we introduce a first type of nonlinear problem that has today invaded the whole mathematical world: variational inequalities. In particular, in Chapter 6, we introduce a simple theory of regularity for nonlocal variational inequalities. We also attack the question of the existence, u
bile648
发表于 2025-3-27 12:32:11
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闲荡
发表于 2025-3-27 17:24:20
Richard Courant,Fritz JohnThe first nontrivial examples of rings appear in the number theory of Euler and Gauss. The concept of ideal-today as routine in ring the ory as the concept of normal subgroup is in group theory-also emerged from number theory, and in quite heroic fashion. Faced with failure of unique prime factoriz
FRET
发表于 2025-3-27 18:13:03
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OPINE
发表于 2025-3-27 22:55:19
1431-0821 oth to instructors and students."From the reviews: "Volume 1 covers a basic course in real analysis of one variable and Fourier series. It is well-illustrated, well-motivated and very well-provided with a multitude of unusually useful and accessible exercises. (...) There are three aspects of Couran
linguistics
发表于 2025-3-28 03:19:43
Book 1999 well-provided with a multitude of unusually useful and accessible exercises. (...) There are three aspects of Courant and John in which it outshines (some) contemporaries: (i) the extensive historical references, (ii) the chapter on numerical methods, and (iii) the two chapters on physics and geome
conformity
发表于 2025-3-28 08:27:25
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resilience
发表于 2025-3-28 12:43:30
Numerical Methods, such questions of basic importance theoretically but they are also inevitable, if we wish to apply analysis to the description and control of natural phenomena which in principle can be described only in an approximate manner.