Back in the hazy olden days of the pre-2000s, navigating between two locations generally required someone to whip out a paper map and painstakingly figure out the most optimal route between those ...

The original version of this story appeared in Quanta Magazine. If you’ve been making the same commute for a long time, you’ve probably settled on what seems like the best route. But “best” is a ...

If you’ve been making the same commute for a long time, you’ve probably settled on what seems like the best route. But “best” is a slippery concept. Perhaps one day there’s an accident or road closure ...

インプレスグループで理工学分野の専門書出版事業を手掛ける株式会社近代科学社は、2021年11月24日に、『セジウィック：アルゴリズムC 第5部 グラフアルゴリズム』（著者：R.セジウィック、訳者：田口 東、高松 瑞代、高澤 兼二郎）を発行いたしました。

There is a new sorting algorithm a deterministic O(m log2/3 n)-time algorithm for single-source shortest paths (SSSP) on directed graphs with real non-negative edge weights in the comparison-addition ...

グラフは、モノとモノを繋ぐ関係を表すネットワーク構造のようなものです。グラフは頂点と辺からなり、頂点はモノを、辺は繋がりを表します。イメージしづらい場合は、鉄道路線図の駅を頂点、線路を辺と考えると良いでしょう。なお、頂点同士を識別 ...