The peacock, the pillar and a theorem: How ancient Indian scholars knew the triangle rule before Pythagoras

Let's explore how the Pythagorean theorem was known and applied in India centuries before Pythagoras, highlighting a poetic ...
Scientific American

Mathematicians make a breakthrough on 2,000-year-old problem of curves

Since ancient Greece, researchers have tried to isolate special rational points on curves. Now they have the first ever formula that applies uniformly to all curves ...
Investopedia

How Market Segments Work: Identification and Example

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
IEEE

A homotopy theorem for incremental stability

Abstract: A theorem is proved to verify incremental stability of a feedback system via a homotopy from a known incrementally stable system, making no assumptions on existence of an extended space, ...