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| 研究生： |
林禹丞 Yu-Cheng Lin |
|---|---|
| 論文名稱： |
外配對支配集問題在真區段圖上之研究 The Outer-paired Domination Problem on Proper Interval Graphs |
| 指導教授： |
王有禮
Yue-Li Wang |
| 口試委員: |
王有禮
Yue-Li Wang 楊傳凱 Chuan-Kai Yang 劉嘉傑 Jia-Jie Liu |
| 學位類別： |
碩士 Master |
| 系所名稱： |
管理學院 - 資訊管理系 Department of Information Management |
| 論文出版年： | 2017 |
| 畢業學年度： | 105 |
| 語文別： | 中文 |
| 論文頁數： | 15 |
| 中文關鍵詞： | 外配對支配集 、支配集 、真區段圖形 |
| 外文關鍵詞： | Outer-paired Domination, Domination, Proper Interval Graphs |
| 相關次數： | 點閱：352 下載：8 |
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給定一個圖G，V(G)和E(G)分別為圖G的點集合及邊集合。為了簡化符號我們用V和E來取代V(G)和E(G)。圖G上的一組支配集D必須滿足以下條件：D包含於或等於V且對於每個不在D中的點至少要與一個D中的點相鄰。支配集問題以及此問題的變形有許多豐富的延伸研究，例如獨立支配、彩虹支配、全部支配、羅馬支配等等，這些變形的支配集問題除了要符合支配集的性質外並再加上一些限制條件。在本研究計畫中，我們將探討一個新的支配集變形問題稱作外配對支配集問題。問題定義如下: 在一個圖G=(V,E)上的一組外配對支配集D必須滿足下列條件：D必須為一個支配集，而且V\D形成的子圖必須有完美配對。外配對支配集問題是找出一組點數最少的外配對支配集。在本論文中，我們提供一個時間複雜度為O(n)的演算法來解決真區間圖中的外配對支配集問題，其中n為圖G中點的個數。
Let G=(V,E) be an undirected graph, where V(G) and E(G) are vertex and edge sets of G, respectively. For simplicity, we also use V and E to represent V(G) and E(G), respectively. For any vertex vV , the open neighborhood of v is the set NG(v) = {uV : uv E}. The closed neighborhood of v is NG[v] = NG(v){v}. For simplicity, NG(v) and NG[v] are simply written as N(v) and N[v], respectively. A set D is a dominating set of a graph G if every vertex in V\D is adjacent to at least one vertex in D. The domination problem and its variants were extensively studied, e.g., independent domination, rainbow domination, total domination, roman domination, etc. We can find that all variants on the domination problem are adding some constraints to the domination problem. In this thesis, we investigate a new variant of the domination problem called the outer-paired domination problem which is defined as follows. An outer-paired domination set (OPD-set for short) of a graph G is a dominating set D of G such that the induced subgraph of V\D contains a perfect matching. In this thesis, we propose an O(n)-time algorithm for solving the outer-paired domination problem on proper interval graphs, where n is the number of vertices in V .
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