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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

18 406

bibliographic references

22 729

Documents in Open Access

63 %



Submissions statistics



National agreement with the publisher Elsevier: implementation of the imports in HAL

Provided for in the national licence agreement with Elsevier, a first batch of files supplied by the publisher will be soon imported in HAL to complete existing records. The “green OA” part  of the agreement stipulates that Elsevier provides the Manuscript Author Accepted (MAA) version of the articles of the authors affiliated to a French […]

Enrich the authors affiliations in HAL with the international ROR identifier


Episciences release notes Episciences version 1.0.18


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


The first meeting of the partners assembly