作者: Ceramic 時間: 2025-3-21 21:13
Matthias Adler,Sophie Waldschmidt a complete geometric graph to have a partition into plane spanning trees. Finally, we consider a relaxation of the problem in which the trees of the partition are not necessarily spanning. We prove that every complete geometric graph .. can be partitioned into at most . plane trees.作者: corn732 時間: 2025-3-22 01:56
https://doi.org/10.1007/978-981-99-1960-4inues. The full set of planarity conditions are required for a PC-tree planarity tester to report only planar graphs as planar. This paper provides further analyses and new planarity conditions needed to produce a correct planarity algorithm with a PC-tree.作者: 談判 時間: 2025-3-22 05:07
From Individual to Community Empowerment,acterize 3-cluster cycles in terms of formal grammars. Finally, we generalize the results on 3-cluster cycles considering clustered graphs that at each level of the inclusion tree have a cycle structure. Even in this case we show efficient c-planarity testing and drawing algorithms.作者: compassion 時間: 2025-3-22 10:51 作者: sclera 時間: 2025-3-22 13:33 作者: sclera 時間: 2025-3-22 20:57
Drawing the AS Graph in 2.5 Dimensionsby force-based methods. In contrast to alternative approaches to visualize AS graph data, our method illustrates the entire AS graph structure. Moreover, it is generic with regard to the hierarchy displayed by the third dimension.作者: 手術(shù)刀 時間: 2025-3-22 23:46 作者: 前奏曲 時間: 2025-3-23 01:43 作者: 偽書 時間: 2025-3-23 08:03
Clustering Cycles into Cycles of Clustersacterize 3-cluster cycles in terms of formal grammars. Finally, we generalize the results on 3-cluster cycles considering clustered graphs that at each level of the inclusion tree have a cycle structure. Even in this case we show efficient c-planarity testing and drawing algorithms.作者: Acupressure 時間: 2025-3-23 11:14 作者: 欺騙手段 時間: 2025-3-23 16:48 作者: 過分自信 時間: 2025-3-23 20:14 作者: Anhydrous 時間: 2025-3-24 01:18 作者: Incumbent 時間: 2025-3-24 02:40 作者: 毀壞 時間: 2025-3-24 07:16 作者: 侵蝕 時間: 2025-3-24 14:02
Really Straight Graph Drawingsnts and at most 2. slopes, and that every cubic 3-connected plane graph has a plane drawing with three slopes (and three bends on the outerface). Drawings of non-planar graphs with few slopes are also considered. For example, it is proved that graphs of bounded degree and bounded treewidth have drawings with . slopes.作者: Latency 時間: 2025-3-24 15:37
Random Geometric Graph Diameter in the Unit Disk with ?, Metricio of the (Lebesgue) areas of the ?.- and ?.-unit disks. Almost always, ..(.,.) has no isolated vertices and is also connected if .>..., and has . isolated vertices if .<.... Furthermore, we find upper bounds (involving . but independent of .) for the diameter of ..(.,.), building on a method originally due to M.?Penrose.作者: 蛙鳴聲 時間: 2025-3-24 20:57 作者: 敵手 時間: 2025-3-25 02:24 作者: 畏縮 時間: 2025-3-25 04:07 作者: 強所 時間: 2025-3-25 09:10 作者: 松馳 時間: 2025-3-25 13:05
New Perspectives in Microfaciese that contains the points. Then we connect each label to its point such that no two connections intersect. Such an approach is common e.g. in technical drawings and medical atlases, but so far the problem has not been studied in the literature. The new problem is interesting in that it is a mixture作者: 指數(shù) 時間: 2025-3-25 16:42 作者: 共同給與 時間: 2025-3-25 21:05 作者: NADIR 時間: 2025-3-26 01:31
https://doi.org/10.1057/9780230300026verview of the possibilities offered by XSLT style sheets for processing graph data, and illustrate that many basic tasks required for tools used in graph drawing can be implemented by means of style sheets, which are convenient to use, portable, and easy to customize.作者: 休戰(zhàn) 時間: 2025-3-26 08:16
From Individual to Community Empowerment,ted”. We start by studying 3-cluster cycles, that are clustered graphs such that the underlying graph is a simple cycle and there are three clusters all at the same level. We show that in this case testing the c-planarity can be done efficiently and give an efficient drawing algorithm. Also, we char作者: admission 時間: 2025-3-26 10:49 作者: 昆蟲 時間: 2025-3-26 13:58 作者: Temporal-Lobe 時間: 2025-3-26 18:11 作者: 激怒 時間: 2025-3-26 22:32 作者: Synovial-Fluid 時間: 2025-3-27 03:35 作者: FISC 時間: 2025-3-27 07:11 作者: 遺傳學 時間: 2025-3-27 13:27
Paul Pop,Wajid Hassan Minhass,Jan Madsengorithms are based on two principles: embedding the state transition graph in a low-dimensional integer lattice and projecting the lattice onto the plane, or drawing the medium as a planar graph with centrally symmetric faces.作者: HIKE 時間: 2025-3-27 15:49 作者: 安心地散步 時間: 2025-3-27 20:05 作者: 暫停,間歇 時間: 2025-3-28 01:43
Improved Bounds for the Number of (≤ ,)-Sets, Convex Quadrilaterals, and the Rectilinear Crossing Nu to show that if . is a set of . points in general position, then the number □(.) of convex quadrilaterals determined by the points in . is at least .. This in turn implies that the rectilinear crossing number . of the complete graph .. is at least .. These improved bounds refine results recently ob作者: Hormones 時間: 2025-3-28 04:26 作者: Anal-Canal 時間: 2025-3-28 09:42 作者: MIRE 時間: 2025-3-28 13:53 作者: 犬儒主義者 時間: 2025-3-28 15:56
Additional PC-Tree Planarity Conditionse data structure, which is similar to but simpler than the well-known PQ-tree. For each vertex, the PC-tree is first checked to see if the new vertex can be added without violating certain planarity conditions; if the conditions hold, the PC-tree is adjusted to add the new vertex and processing cont作者: Common-Migraine 時間: 2025-3-28 20:08
GraphML Transformationverview of the possibilities offered by XSLT style sheets for processing graph data, and illustrate that many basic tasks required for tools used in graph drawing can be implemented by means of style sheets, which are convenient to use, portable, and easy to customize.作者: 牢騷 時間: 2025-3-29 02:40
Clustering Cycles into Cycles of Clustersted”. We start by studying 3-cluster cycles, that are clustered graphs such that the underlying graph is a simple cycle and there are three clusters all at the same level. We show that in this case testing the c-planarity can be done efficiently and give an efficient drawing algorithm. Also, we char作者: congenial 時間: 2025-3-29 05:57
Unit Bar-Visibility Layouts of Triangulated Polygons bars in the plane so that two vertices are adjacent if and only if there is a non-degenerate, unobstructed, vertical band of visibility between the corresponding bars. We give combinatorial and geometric characterizations of the triangulated polygons that are UBVGs. To each triangulated polygon . w作者: dominant 時間: 2025-3-29 11:04 作者: 拖債 時間: 2025-3-29 11:55 作者: 流利圓滑 時間: 2025-3-29 17:41 作者: 不溶解 時間: 2025-3-29 22:20 作者: 哥哥噴涌而出 時間: 2025-3-30 01:13
Random Geometric Graph Diameter in the Unit Disk with ?, Metricbuted uniformly in the standard unit disk in ., with two vertices adjacent if and only if their ?.-distance is at most .. Let ., and let .. be the ratio of the (Lebesgue) areas of the ?.- and ?.-unit disks. Almost always, ..(.,.) has no isolated vertices and is also connected if .>..., and has . iso作者: 彩色的蠟筆 時間: 2025-3-30 07:41 作者: SPURN 時間: 2025-3-30 08:32
https://doi.org/10.1007/978-1-4757-0955-1any reconfiguration. We show that with .(.log .) edge flips and point moves, we can transform any geometric near-triangulation on . points to any other geometric near-triangulation on . possibly different points. This improves the previously known bound of .(..) edge flips and point moves.作者: 動機 時間: 2025-3-30 16:19 作者: Indent 時間: 2025-3-30 17:01 作者: Relinquish 時間: 2025-3-30 21:58
Paul Pop,Wajid Hassan Minhass,Jan Madsengorithms are based on two principles: embedding the state transition graph in a low-dimensional integer lattice and projecting the lattice onto the plane, or drawing the medium as a planar graph with centrally symmetric faces.作者: 空氣 時間: 2025-3-31 02:40 作者: sultry 時間: 2025-3-31 05:21
Hexagonal Grid Drawings: Algorithms and Lower Boundse algorithms that achieve 3.5.+3.5 bends for all simple graphs. We also prove optimal lower bounds on the number of bends for .., and give asymptotic lower bounds for graph classes of varying connectivity.作者: CARK 時間: 2025-3-31 11:52 作者: gospel 時間: 2025-3-31 13:48 作者: Optic-Disk 時間: 2025-3-31 18:22 作者: attenuate 時間: 2025-4-1 01:19
Chuanliang Feng,Xiaoqiu Dou,Yibin XuWe prove that the number of distinct weaving patterns produced by . semi-algebraic curves in ?. defined coordinate-wise by polynomials of degrees bounded by some constant ., is bounded by 2., where the implied constant in the exponent depends on .. This generalizes a similar bound obtained by Pach, Pollack and Welzl [3] for the case when .=1.作者: acrobat 時間: 2025-4-1 02:31 作者: Intentional 時間: 2025-4-1 06:19 作者: 喊叫 時間: 2025-4-1 13:05