Game theory is a branch of applied mathematics that is used in the social sciences, particularly economics, representing a theory of competition stated in terms of gains and losses among opposing players. It is that branch of applied mathematics that studies strategic situations in which individuals or organizations choose various actions for the purpose of maximizing returns.
 
 
Recommended Resources
Serving to advertise a collection of short interviews based on five questions presented to some of the most influential and prominent scholars in game theory, available in book form, snippets from each of the interviews are presented, and the book is available online from a number of sources, linked here.
http://www.gametheorists.com/
The focus of this site is on resource materials for professionals, educators and students of game theory, including its applications to economics, business, political science, computer science and other fields. Among the resources provided are lists of textbooks, readers and lecture notes, Java applets and online games to demonstrate concepts, assessment materials, and others.
http://www.gametheory.net/
The Game Theory Society is an organization dedicated to studying and using game theory. You can find out about the society's conferences and journals here. You can also find out how to join the organization or renew your membership to the society.
http://www.gametheorysociety.org/