Chen, Zongbin2015-02-202015-02-202015-02-20201410.1016/j.crma.2014.09.025https://infoscience.epfl.ch/handle/20.500.14299/111513WOS:000345733100015Let Q be the double of a quiver. According to Efimov, Kontsevich and Soibelman, the cohomological Hall algebra (CoHA) associated with Q is a free super-commutative algebra. In this short note, we confirm a conjecture of Hausel, which gives a geometric realisation of the generators of the CoHA. (C) 2014 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.text::journal::journal article::research article