CORE (Centre for Operations Research and Econometrics) is an interdisciplinary research centre in Operations Research, Economic Theory and Econometrics within the Universite Catholique de Louvain.

Research at CORE in Operations Research is concentrated in optimisation, with groups specialising in integer programming and combinatorial optimisation, the calculation of economic equilibria, and interior point methods for linear and convex optimisation The combinatorial optimisation group has considerable experience in the modelling of integer and mixed integer programming, in the development of cutting plane algorithms for integration with commercial software, and in applications in the production planning and scheduling and telecommunications fields.