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 the Héloïse or SHERPA/RoMEO websites. You can also contact us.


Latest submissions






Full text documents

12 175

bibliographic references

17 633



Submissions statistics



HAL : more than 600 000 !  (7/26/19)  
The number of submissions to HAL remained strong in the first half of 2019 with 46,936 deposits as of June 30 – an average of 7,822 deposits per month. In the beginning of July, HAL passed the threshold of 600,000 deposits with attached files.   11529 of these deposits are documents published in 2019, of […]

The CCSD welcomes the international community of the open repositories  (5/14/19)  
Hcéres sets up an open archive portal on HAL  (4/17/19)  
Episciences release notes  (3/18/19)  
HAL in 2018 : 10 deposits per hour  (2/27/19)