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Titlebook: Combinatorial Enumeration of Groups, Graphs, and Chemical Compounds; G. Pólya,R. C. Read Textbook 1987 Springer-Verlag New York Inc. 1987

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樓主: Maculate
11#
發(fā)表于 2025-3-23 12:57:31 | 只看該作者
Removal of Sutures and Staples,echnique for solving a wide class of combinatorial problems — a technique which is summarized in Pólya’s main theorem, the “Hauptsatz” of Section 16 of his paper, which will here be referred to as “Pólya’s Theorem”. This theorem can be explained and expounded in many different ways, and at many diff
12#
發(fā)表于 2025-3-23 13:53:26 | 只看該作者
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13#
發(fā)表于 2025-3-23 22:01:01 | 只看該作者
14#
發(fā)表于 2025-3-24 01:23:37 | 只看該作者
Blank Forms for Use with Section 6,e number of certain trees., Some of his problems lend themselves to chemical interpretation: the number of trees in question is equal to the number of certain (theoretically possible) chemical compounds.
15#
發(fā)表于 2025-3-24 02:46:30 | 只看該作者
Breast and Testicular Self-examination,d balls discussed in Sec. 2 have to be replaced by more complex objects, which we will call figures; on the other hand, the special permutation group of the octahedron rotations will have to be replaced by a more general permutation group.
16#
發(fā)表于 2025-3-24 06:50:10 | 只看該作者
17#
發(fā)表于 2025-3-24 14:12:14 | 只看該作者
Combinatorial Enumeration of Groups, Graphs, and Chemical Compounds
18#
發(fā)表于 2025-3-24 16:30:05 | 只看該作者
19#
發(fā)表于 2025-3-24 20:38:17 | 只看該作者
https://doi.org/10.1007/978-1-349-13584-4oduction are going to be presented “officially” later on. I will adhere as much as possible to the terminology used by D. K?nig in his elegant text.. I will highlight where substantial departure seemed to better serve the special purpose of this paper.
20#
發(fā)表于 2025-3-25 02:02:06 | 只看該作者
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