Operations Research is the application of quantitative techniques to decision making, typically involving mathematical optimization. Problems include dynamic programming, linear programming and Integer programming & discrete optimization.
Operations Research is the application of quantitative techniques to decision making, typically involving mathematical optimization. A problem is modeled as a math formulation, and the solution obtained via a solver. Problems in OR include dynamic programming, linear programming and Integer programming and discrete optimization.
The other names for Operations Research (OR) include Decision Science, Management Science, or Operational Research.
The Wikipedia page on Operations Research. INFORMS, the society for OR practitioners has a lot of relevant information.