2007-04-27から1日間の記事一覧

Enumeration of subtrees of trees

Weigen Yan and Yeong-Nan Yeh Theoretical Computer Science Volume 369, Issues 1-3, 15 December 2006, Pages 256-268 http://dx.doi.org/10.1016/j.tcs.2006.09.002 与えられた木にいくつ部分木があるか,という問題. SzekelyとWang (2005) は頂点数nを…

List edge and list total colorings of planar graphs without 4-cycles

Jianfeng Hou, Guizhen Liu and Jiansheng Cai Theoretical Computer Science Volume 369, Issues 1-3, 15 December 2006, Pages 250-255 http://dx.doi.org/10.1016/j.tcs.2006.08.043 グラフの彩色に関するはなし. 「List Coloring Conjecture」としてよ…

The degree distribution of the generalized duplication model

G. Bebek, P. Berenbrink, C. Cooper, T. Friedetzky, J. Nadeau and S.C. Sahinalp Theoretical Computer Science Volume 369, Issues 1-3, 15 December 2006, Pages 239-249 http://dx.doi.org/10.1016/j.tcs.2006.08.045 生命進化の理論モデルに対する理…

A fully polynomial approximation scheme for the single machine weighted total tardiness problem with a common due date

Hans Kellerer and Vitaly A. Strusevich Theoretical Computer Science Volume 369, Issues 1-3, 15 December 2006, Pages 230-238 http://dx.doi.org/10.1016/j.tcs.2006.08.030 スケジューリングについて. 1機械で,release dateはなし.このとき,遅れ …

The complexity of membership problems for circuits over sets of integers

Stephen Travers Theoretical Computer Science Volume 369, Issues 1-3, 15 December 2006, Pages 211-229 http://dx.doi.org/10.1016/j.tcs.2006.08.017 MFCS2004の論文. 整数集合を計算する回路を考えるが,そのゲートは合併を取る操作∪,共通部分を取る…

Label updating to avoid point-shaped obstacles in fixed model

Farshad Rostamabadi and Mohammad Ghodsi Theoretical Computer Science Volume 369, Issues 1-3, 15 December 2006, Pages 197-210 http://dx.doi.org/10.1016/j.tcs.2006.08.038 地図のラベル付け問題について. 平面上のいくつかの点に一定の大きさの正…