David J. Singer

Economic Origins of Dictatorship and Democracy

An Evaluation of “Does Economic Inequality Breed Political Conflict?” Studies

An Improved Ant Colony Optimization Algorithm Based on Hybrid Strategies for Scheduling Problem

Horizontal Inequalities and Ethnonationalist Civil War: A Global Comparison

An effective ant colony optimization algorithm for multi-objective job-shop scheduling with equal-size lot-splitting

Quantitative Indicators in World Politics: Timely Assurance and Early Warning

Testing of a spreading mechanism to promote diversity in multi-objective particle swarm optimization