Graph Definitions A solid understanding of the basic definitions is essential for understanding graphs, their practical applications and the key differences that distinguish them from networks. Basic ...

How does the journey to a knowledge graph start with unstructured data—such as text, images, and other media? The evolution of web search engines offers an instructive example, showing how ...

In the world of audiophile headphones, planar magnetics rule the roost. Many of the most popular headphones, even for listeners on a budget, use planar magnetic drivers, and for good reason: the ...

A new method is proposed to synthesize arbitrary-tiled arrays fitting multiple, generally conflicting, requirements for multiantenna systems operating beyond 100 GHz. The array structure is decomposed ...

The RL trainings and testing python script in the RL-PGO folder and was evaluated in a miniconda environment. For GPU installation, steps are shown assuming training is conducted on an Nvidia RTX-3090 ...

We can now restate Francis Guthrie’s problem: Prove that the chromatic number of every simple planar graph is at most four. Here’s a sketch of Kempe’s argument, described in modern terms using graphs ...