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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

16 708

bibliographic references

22 819

Documents in Open Access

62 %



Submissions statistics



When free access is not open access

You have downloaded your article from the website of the journal and you think that, since it is available free, you can deposit this published version in HAL. Well, sometimes it is true but …. sometimes it is not. Does the mention “Open Access” or “Open” is included in your file? or a Creative Common […]

Evolution of document typology in HAL: the results of the working group


New governance of the CCSD: first milestone for a partners assembly


This is the end for Héloïse


Integrate Episciences into EOSC’s catalog of services