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Welcome to the Open Access scientific publications portal of the École Polytechnique


HAL-Polytechnique is the institutional platform of deposit and consultation of scientific papers made by researchers of the 23 laboratories of the École Polytechnique. Its ambition is to contribute to the development of the scientific information’s open access, to optimize visibility of École Polytechnique in scientific domains, and to preserve the scientific production of its researchers. From this portal, you can browse documents deposited, grouped by laboratoryauthor or scientific domain.

In order to deposit in HAL-Polytechnique, you must create an account.

To deposit a full-text paper, you must verify publishers’ policies on self-archiving in open access. They are available at SHERPA/RoMEO website. You can also contact us.


Latest submissions

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Full text documents

17 627

bibliographic references

22 823

Documents in Open Access

62 %



Submissions statistics



Fostering scholarly journals in the digital world: opening the overlay platform Episciences to Social Sciences and Humanities

There exist several publication models for Social Sciences and Humanities (SSH) journals to embrace the reality of digital dissemination, starting from retro digitization of print journals up to natively digital formats like OpenEdition Journals. With the 2016 Loi pour une République Numérique  empowering authors to keep control over their publications (see this post in French […]

The first meeting of the partners assembly


Episciences release notes Episciences version 1.0.11


CCSD : the summary of 2020


Changelog for version 1.0.2