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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

17 032

bibliographic references

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Documents in Open Access

62 %

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Submissions statistics



CCSD : the summary of 2020

The CCSD publishes its 2020 activity report: let’s take this opportunity to take a look at the past year. During 2020, the activity in HAL was intense: there were 167,000 new documents with files deposited in HAL! Before the summer, the finalization of the migration of the Prodinra and Irstea publications archives represented an important […]

Changelog for version 1.0.2


When free access is not open access


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


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