But none have been as popular as modern portfolio theory (MPT). Here ... These combinations can be plotted on a graph, and the resulting line is the efficient frontier. The figure below shows ...

Your DNA may predict more about you than the way you look. According to the genetic theory of aging, your genes (as well as mutations in those genes) are responsible for how long you'll live. Here's ...

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 ...

This is a rigorous and critical analysis of the performance of a popular suite of methods for inferring population history, accompanied by improvements. Should be of broad interest to anyone ...

This article proposes an FGL algorithm based on graph distance calculation, which determines the similarity of users in terms of graph distance, then clusters users, and aggregates local models of ...

The term "alert and oriented" (AO) is a medical notation describing a person's level of consciousness and cognition (the ability to understand and learn through thought, experiences, and the senses).

You’ve reached your account maximum for followed topics. Communication is key in long-distance relationships, with online gaming offering a way to bridge the gap and connect. Video games like ...

To help you find something perfect for that special someone, we've rounded up a range of top picks for the best long-distance relationship gifts. This gift guide includes a sponsored product that ...

Mathematicians have long sought to develop algorithms that can compare any two graphs. In practice, many algorithms always seem to work efficiently. But in theory, there is no guarantee.