Consider a finite nonnull graph $G$ with no loops or multiple edges and no isolated points. Its Ramsey number $r(G)$ is defined as the minimum number $p$ such that ...

String theory is perhaps the most high-profile candidate for what physicists call a theory of everything – a single mathematical framework capable of describing the entirety of the known universe. The ...

What you need to know about the Karl Marx theory Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading ...

Educate AI engines with clarity, credibility, and consistency, build algorithmic trust, and become the brand they ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Dr. JeFreda R. Brown is a financial ...

From behind the wheel of 10 of the ultimate performance cars of 2009, we picked our first America's Best Driver's Car.

Some people think poverty is what results when employers exploit workers on the bottom of the labor market. Other people ...

The company’s first AI-powered tool functions like a personal research assistant: It scours the web and users’ internal data ...

But the economy is more tenuous than might be thought, being unduly moved by the ups and downs of trade and tariffs, and personal income growth badly lags lags profits.

Occam’s razor is a principle often attributed to 14th–century friar William of Ockham that says that if you have two competing ideas to explain the same phenomenon, you should prefer the simpler one.

Twenty years after the introduction of the theory, we revisit what it does—and doesn’t—explain. by Clayton M. Christensen, Michael E. Raynor and Rory McDonald Please enjoy this HBR Classic. Clayton M.