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Recursion formulas of central config...

Tien, Fangcheng.

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Recursion formulas of central configurations.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Recursion formulas of central configurations./
作者:	Tien, Fangcheng.
面頁冊數:	66 p.
附註:	Source: Dissertation Abstracts International, Volume: 54-09, Section: B, page: 4718.
Contained By:	Dissertation Abstracts International54-09B.
標題:	Mathematics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9405362

Recursion formulas of central configurations.
Tien, Fangcheng.

Recursion formulas of central configurations. - 66 p.

Source: Dissertation Abstracts International, Volume: 54-09, Section: B, page: 4718.

Thesis (Ph.D.)--University of Minnesota, 1993.

This paper analyzes central configurations which are special configurations leading to homothetic solutions of the n-body problem. For the planar central configurations, these solutions also provide periodic solutions of the n-body problem. Chapter 1 defines the problem and provides an overview of the area. There is historical interest in knowing the total number of these central configurations. For Subjects--Topical Terms:

515831
Mathematics.

Recursion formulas of central configurations.
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100 1 $a Tien, Fangcheng. $3 1675826
245 1 0 $a Recursion formulas of central configurations.
300 $a 66 p.
500 $a Source: Dissertation Abstracts International, Volume: 54-09, Section: B, page: 4718.
500 $a Adviser: Richard Moeckel.
502 $a Thesis (Ph.D.)--University of Minnesota, 1993.
520 $a This paper analyzes central configurations which are special configurations leading to homothetic solutions of the n-body problem. For the planar central configurations, these solutions also provide periodic solutions of the n-body problem. Chapter 1 defines the problem and provides an overview of the area. There is historical interest in knowing the total number of these central configurations. For $n \ge 4 $ the problem remains unsolved. Furthermore, a different mass ratio between the n bodies will produce a different total number of central configurations. This paper will provide the total number of central configurations which has a special mass ratio. For the planar central configurations the total number of central configurations grows at the speed $n !2\sp{n}, $ and the three dimensional case is $n !3\sp{n}. $ Chapters 2, 3 and 5 give details and proofs of the analytical continuation method. This method begins with three bodies, then creates the central configurations with four bodies with one small mass, using the implicit function theorem. If the process is repeated, the total number of central configurations for any n-body problem may be calculated, provided ( $n -3 $) masses are sufficiently small. In Chapters 4 and 7, the formulas are derived for the total number of central configurations of the n-body problem with special mass ratio $( m\sb1,m\sb2,m\sb3,\epsilon\sb1,\...,\epsilon\sb{n}) $ in both planar and three-dimensional cases. Examples of formulas provided are: $n !(2\sp{n+1} + 1) $, $n !((n\sp2 - n + 4)2\sp{n+1} - n - 7), $ and $( n!/6) $ $( (n\sp3 + 11n - 12)2\sp{n+2} + 6n + 54). $ Chapter 6 solves a very special degenerate case during the continuation process. The Morse Index of these central configurations is discussed in Chapter 8.
590 $a School code: 0130.
650 4 $a Mathematics. $3 515831
650 4 $a Physics, Astronomy and Astrophysics. $3 1019521
690 $a 0405
690 $a 0606
710 2 $a University of Minnesota. $3 676231
773 0 $t Dissertation Abstracts International $g 54-09B.
790 1 0 $a Moeckel, Richard, $e advisor
790 $a 0130
791 $a Ph.D.
792 $a 1993
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9405362