International Conference on Operations Research

Parallel Sessions

We are excited to welcome more than 350 presenters at the virtual OR 2021 conference. The presentations are organized in parallel sessions with each session consisting of 4 presentations and lasting 80 minutes.


  • Format: Live presentation and discussion via Zoom. We ask presenters to turn on their video camera while presenting and answering questions.
  • Duration: 20 minutes per talk (15' presentation followed by 5' discussion)
  • Language: English
  • Backup video: Each presenter has been asked to upload a 15 minute video of their talk prior to the conference to serve as backup in case of technical difficulties.
    • Max. video size: 1 GB
    • Video format: mp4
    • Upload deadline: August 24, 2021
    • Details about the upload location have been communicated via email