Invariants should be well-formed formulas, that is, they should be logical statements (with a truth-value--true, of course), in the predicate calculus or rigorous English. A good invariant is a ...

Knot theory, a branch of topology, examines the intricate properties of closed curves embedded in three-dimensional space. At its core is the study of knot invariants—quantitative measures that remain ...

When Lisa Piccirillo solved a decades-old mystery about the “Conway knot,” she had to overcome the knot’s uncanny ability to hoodwink some of the most powerful tools mathematicians have devised. Known ...

Multithreaded programming is challenging but unavoidable, which is why you need the best tools and techniques for doing it safely. In this article Theodore S. Norvell introduces the conceptual ...

Assertions and assertion IP (AIP) are a core part of the register transfer level (RTL) verification environment for all modern chip development projects. Assertions can be considered as statements of ...