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Realization Problems of a Tree with a Transmission Number Sequence
http://hdl.handle.net/10191/6514
http://hdl.handle.net/10191/651426e9d77f-37f2-43bd-92a6-5bf0db25689e
名前 / ファイル | ライセンス | アクション |
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e77-a_3_527.pdf (526.6 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-07-28 | |||||
タイトル | ||||||
タイトル | Realization Problems of a Tree with a Transmission Number Sequence | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | transmission number | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | NP-complete problem | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Watanabe, Kaoru
× Watanabe, Kaoru× Sengoku, Masakazu× Tamura, Hiroshi× Yamaguchi, Yoshio |
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著者別名 | ||||||
識別子 | 6261 | |||||
識別子Scheme | WEKO | |||||
姓名 | 仙石, 正和 | |||||
著者別名 | ||||||
識別子 | 19 | |||||
識別子Scheme | WEKO | |||||
姓名 | 山口, 芳雄 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Problems of realizing a vertex-weighted tree with a given weighted tranamission number sequence are discussed in this paper. First we consider properties of the weighted transmission number sequence of a vertex-weighted tree. Let S be a sequence whose terms are pairs of a non-negative integer and a positive integer. The problem determining whether S is the weighted transmission number sequence of a vertex-weighted tree or not, is called w-TNS. We prove that w-TNS is NP-complete, and we show an algorithm using backtracking. This algorithm always gives a correct solution. And, if each transmission number of S is different to the others, then the time complexity of this is only 0( ∣ S ∣ 2).Next we consider the d2-transmission number sequence so that the distance function is defined by a special convex function. | |||||
書誌情報 |
IEICE transactions on fundamentals of electronics, communications and computer sciences en : IEICE transactions on fundamentals of electronics, communications and computer sciences 巻 E77-A, 号 3, p. 527-533, 発行日 1994-03 |
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出版者 | ||||||
出版者 | The Institute of Electronics, Information and Communication Engineers | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 09168508 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10826239 | |||||
権利 | ||||||
権利情報 | copyright©1994 IEICE | |||||
著者版フラグ | ||||||
値 | publisher | |||||
異版である | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | URI | |||||
関連識別子 | http://www.ieice.org/jpn/trans_online/ |