Raymond Boyd/Getty Images The presidential election cycle theory posits that equity market returns follow a predictable pattern each time a new U.S. president is elected. The theory was developed ...

Definition: Number theory is a branch of pure mathematics devoted to the study of the natural numbers and the integers. It is the study of the set of positive whole numbers which are usually called ...

It’s also the age, according to TikTok’s “19th Love Theory,” when Cupid takes his most chaotic shot. Seriously, 19 is when you’re supposed to meet your first love, but more often than not, you stumble ...

But none have been as popular as modern portfolio theory (MPT). Here, we look at the basic ideas behind MPT, its pros and cons, and how it should factor into your portfolio management. Modern ...

For other uses, see Chaos theory (disambiguation). Sensitivity to initial conditions means that each point in a chaotic system is arbitrarily closely approximated by other points that have ...

Here we explore what the theory of general relativity is and how it affects space-time. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Abstract: In this paper we describe a complex information processing system, which we call the logic theory machine, that is capable of discovering proofs for theorems in symbolic logic. This system, ...

Once people could trust that free and fair elections would be held regularly, the theory went, other forms of politics would come to seem too costly and violent to consider. The past decade has ...

A business.com editor verified this analysis to ensure it meets our standards for accuracy, expertise and integrity. Management theory conceptualizes tools, frameworks and guidelines to motivate ...

Control theory is a branch of mathematics and engineering, which defines the conditions needed for a system to maintain a controlled output in the face of input variation. Classically developed ...

From the deepest ocean trench to the tallest mountain, plate tectonics explains the features and movement of Earth's surface in the present and the past. The theory of plate tectonics was ...