PDF files have become ubiquitous in our multi-platform world. This convenient file format makes it possible to view and share documents across various devices using various operating systems and ...

We put the best PDF editors to the test to find the top software, apps, and online services for creating, altering, and collaborating on documents. We've been testing PDF editors for over ten years ...

I was the co-instructor of the big masters-level Artificial Intelligence course in the Spring of 2015 at the University of Southern California, for eight lectures on formal logic. For their logic ...

Abstract: Almost all IoT applications require secure user authentication protocols. Due to the limitations of most IoT devices and the possibility of physical attacks, lightweight authentication ...

where $l$ and $u$ are the lower and upper probability bounds, while $\phi$ and $\psi$ denote propositional logic formulas. For example the following two sentences ...

The identification of geographical patterns in microbial distributions has begun to challenge purely ecological explanations of biogeography and the underlying principle of “everything is everywhere: ...

This price reflects trading activity during the overnight session on the Blue Ocean ATS, available 8 PM to 4 AM ET, Sunday through Thursday, when regular markets are closed. Chart does not reflect ...

An illustration of a magnifying glass. An illustration of a magnifying glass.