Some algebraic geometry in applications Algebraic geometry is the study of sets which arise as the common zeroes to a collection of polynomials. It is a deep and powerful subject, combining geometric intuition with algebraic precision. With many vivid examples, algebraic geometry is also quite accessible. It is also increasingly a useful tool in applications of mathematics, for whenever polynomials arise, the methods of algebraic geometry may be brought to bear on the problem at hand. This talk will illustrate that growing trend through a series of elementary and interrelated examples of algebraic geometry arising in applications.