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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

19 934

bibliographic references

23 210

Documents in Open Access

64 %



Submissions statistics



Ambassadors for HAL

Because scientific communities are key actors for Open Science practices to become the norm, the CCSD is now launching its HAL Ambassadors programme. This programme aims to stimulate and strengthen the dialogue between the CCSD and the scientific community. It has two objectives: To help identify problems and needs of the scientific communities about HAL […] will become


New governance of the CCSD: the International scientific council is established


CCSD: publication of the activity report


National agreement with the publisher Elsevier: implementation of the imports in HAL (step 2)