PCI is a non-profit and non-commercial organization run by scientists for scientists. All costs are kept as low as possible.

Many new publication services have recently appeared. Here is a non-exhaustive list of these services, with comments, highlighting the differences between these services and PCI. Overlay journals (eg Discrete Analysis, Discrete Mathematics & Theoretical Computer Science) are electronic open-access journals containing peer-reviewed articles deposited

1) Choose one or two colleagues to set up and manage the PCI Having at least two administrators improves the monitoring and sustainability of the project. Setting up the PCI involves defining the subject it will cover, establishing a first group of