Correction: A previous version of this article included the incorrect year for the World’s Fair. On its face, the phrase “double-decker street” sounds unique and innovative. But once you ...

Connections is one of the best puzzle games from the New York Times. The game tasks you with categorizing a pool of 16 words into four secret (for now) groups by figuring out how the words relate ...

Abstract: This paper is concerned with the problem of finding a low-rank solution of an arbitrary sparse linear matrix inequality (LMI). To this end, we map the sparsity of the LMI problem into a ...