What constraints govern the physical process of computing? Is a minimum amount of energy required, for example, per logic step? There seems to be no minimum, but some other questions are open Editor's ...

Jeremy Johnson is Professor of Computer Science and Electrical and Computer Engineering at Drexel University. He served as the first Department Head for the newly formed Computer Science department ...

In the realm of theoretical computer science, the concept of computational limits—boundaries that define what problems can or cannot be solved efficiently—is fundamental. These limits not only shape ...