標(biāo)題: Titlebook: Classical Topology and Combinatorial Group Theory; John Stillwell Textbook 1993Latest edition Springer-Verlag New York Inc. 1993 Abelian g [打印本頁(yè)] 作者: HAVEN 時(shí)間: 2025-3-21 16:39
書目名稱Classical Topology and Combinatorial Group Theory影響因子(影響力)
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書目名稱Classical Topology and Combinatorial Group Theory讀者反饋學(xué)科排名
作者: 用樹皮 時(shí)間: 2025-3-21 22:24 作者: patriot 時(shí)間: 2025-3-22 02:27
Introduction and Foundations,ders two figures to be the same if each can be carried into the other by a rigid motion, topology considers two figures to be the same if each can be mapped onto the other by a one-to-one continuous function. Such figures are called topologically equivalent, or ., and the problem of deciding whether two figures are homeomorphic is called the ..作者: 良心 時(shí)間: 2025-3-22 04:38 作者: Affiliation 時(shí)間: 2025-3-22 09:38 作者: 蝕刻術(shù) 時(shí)間: 2025-3-22 13:38 作者: 蝕刻術(shù) 時(shí)間: 2025-3-22 19:31
Research Methods in NeurochemistryThe concept of a Turing machine was introduced in 0.4.1, as a machine that controls a read/write head moving on an infinite tape. We shall now explain the concept in more detail and give a few examples that illustrate how Turing machines compute functions and solve problems.作者: MANIA 時(shí)間: 2025-3-22 22:03 作者: Dedication 時(shí)間: 2025-3-23 02:00
Unsolvable Problems,The concept of a Turing machine was introduced in 0.4.1, as a machine that controls a read/write head moving on an infinite tape. We shall now explain the concept in more detail and give a few examples that illustrate how Turing machines compute functions and solve problems.作者: 向外 時(shí)間: 2025-3-23 06:54
Graduate Texts in Mathematicshttp://image.papertrans.cn/c/image/227144.jpg作者: interpose 時(shí)間: 2025-3-23 12:35
Research Methods in Neurochemistryders two figures to be the same if each can be carried into the other by a rigid motion, topology considers two figures to be the same if each can be mapped onto the other by a one-to-one continuous function. Such figures are called topologically equivalent, or ., and the problem of deciding whether作者: Connotation 時(shí)間: 2025-3-23 17:56
Marie Louise Uhr,Graham A. R. Johnstonthe mainstream of mathematics with his inaugural dissertation in G?ttingen in 1851. His introduction of the Riemann surface in that year showed the indispensable r?le of topology in questions of analysis, and thus ensured the future cultivation of the subject by the mathematical community, if only f作者: 敬禮 時(shí)間: 2025-3-23 19:42 作者: Infuriate 時(shí)間: 2025-3-24 00:23 作者: heart-murmur 時(shí)間: 2025-3-24 02:57
Otto Z. Sellinger,Julio M. Azcurraamples were mainly 3-dimensional manifolds obtained from a solid cube by identifying its faces in various ways. However, they clearly exposed the fact that one finds generators from the 1-dimensional cells of the complex, and relations from the 2-dimensional cells. Let us take Poincaré’s example of 作者: agitate 時(shí)間: 2025-3-24 07:17 作者: 男生戴手銬 時(shí)間: 2025-3-24 13:37 作者: Aqueous-Humor 時(shí)間: 2025-3-24 18:33
Peter R. Dunkley,Patrick R. Carnegie is the same as the (., .) torus knot. . does . reflect the orientation of the knot in R., since the knot and its mirror image have homeomorphic complements and hence the same group. Since Listing 1847, at least, it has been presumed that there is no ambient isotopy in R. between the two trefoil kno作者: 排出 時(shí)間: 2025-3-24 20:44 作者: 稱贊 時(shí)間: 2025-3-25 00:01
Foundations for the Fundamental Group, .′ which is deformable into . defines the same transformation, the group of transformations of the “most general” function Φ is naturally isomorphic to the group of equivalence classes of closed paths, where “equivalent” means mutually deformable.作者: prosperity 時(shí)間: 2025-3-25 05:10
Curves on Surfaces,l curves satisfied certain relations. However, he seemed not to notice that he actually had a group (surprisingly, in view of the subsequent appearance of his pioneering treatise on group theory, Jordan 1870), and failed to get the right relations.作者: FRAX-tool 時(shí)間: 2025-3-25 08:24
Marie Louise Uhr,Graham A. R. Johnstonor the service of analysis. In fact, of course, Riemann surfaces were quickly seen to be of interest in themselves, and were the source of two ideas of profound significance in later topology—. and ..作者: epicondylitis 時(shí)間: 2025-3-25 12:12 作者: 棲息地 時(shí)間: 2025-3-25 15:52 作者: Offstage 時(shí)間: 2025-3-25 20:26 作者: ELUC 時(shí)間: 2025-3-26 02:36
0072-5285 Konigsberg, Euler‘s polyhedron formula, and knots, the student is led to expect that these picturesque ideas will come to full flower in university topology courses. What a disappointment "undergraduate topology" proves to be! In most institutions it is either a service course for analysts, on abst作者: Incorporate 時(shí)間: 2025-3-26 04:27 作者: 禁止 時(shí)間: 2025-3-26 11:26
Peter R. Dunkley,Patrick R. Carnegiethe computation of numerical invariants of a manifold by means of decomposition into “cells”; the computations involve only the numbers of cells and the incidence relations between them, and it is shown that certain numbers are independent of the particular cellular subdivision chosen.作者: 有權(quán) 時(shí)間: 2025-3-26 14:15 作者: 吞下 時(shí)間: 2025-3-26 17:00 作者: Basilar-Artery 時(shí)間: 2025-3-27 00:44
Homology Theory and Abelianization,the computation of numerical invariants of a manifold by means of decomposition into “cells”; the computations involve only the numbers of cells and the incidence relations between them, and it is shown that certain numbers are independent of the particular cellular subdivision chosen.作者: 四海為家的人 時(shí)間: 2025-3-27 02:51 作者: EWER 時(shí)間: 2025-3-27 08:34 作者: AWRY 時(shí)間: 2025-3-27 11:58 作者: 等待 時(shí)間: 2025-3-27 14:14 作者: 舔食 時(shí)間: 2025-3-27 20:08
0072-5285 ent where practicable, since it clearly shows the influence of geometric thought at all stages. This is not to claim that topology received its main impetus fro978-1-4612-8749-0978-1-4612-4372-4Series ISSN 0072-5285 Series E-ISSN 2197-5612 作者: 極為憤怒 時(shí)間: 2025-3-27 22:39 作者: 指令 時(shí)間: 2025-3-28 05:02 作者: avenge 時(shí)間: 2025-3-28 08:42
Graphs and Free Groups,e of free groups in combinatorial group theory, as the most general groups from the point of view of generators and relations, his picture of them remained the function-theoretic one—a tessellation of the unit disc by curvilinear triangles whose sides were circular arcs orthogonal to the disc bounda作者: SYN 時(shí)間: 2025-3-28 13:56
Foundations for the Fundamental Group, defined the group in function-theoretic terms by considering analytic continuation of a many-valued function Φ around a closed path . in a manifold. Since the value obtained after completing . may differ from the initial value, . may be considered to define a transformation of Φ, and since any path作者: 纖細(xì) 時(shí)間: 2025-3-28 15:41 作者: Trochlea 時(shí)間: 2025-3-28 20:11 作者: champaign 時(shí)間: 2025-3-28 23:04 作者: 搖擺 時(shí)間: 2025-3-29 05:47 作者: 梯田 時(shí)間: 2025-3-29 11:13
Pulmonary embolismbstructed. When the right ventricular outflow is so obstructed, acute right-sided heart failure with right atrial and ventricular dilatation develops, and in the 25% of normal individuals with a patent foramen ovale right-to-left shunting occurs. There are gross abnormalities in lung function, with 作者: overshadow 時(shí)間: 2025-3-29 12:47 作者: 說(shuō)不出 時(shí)間: 2025-3-29 16:56
