Guo, ShaomingLi, Zane KunYung, Po-LamZorin-Kranich, Pavel2023-06-010002-9327http://hdl.handle.net/1885/292296We give a short and elementary proof of the l(2) decoupling inequality for the moment curve in (R) over cap (k), using a bilinear approach inspired by the nested efficient congruencing argument of Wooley.Research of the first author supported in part by NSF grant 1800274; research of the second author sup- ported by NSF grant DMS-1902763; research of the third author supported in part by a General Research Fund CUHK14303817 from the Hong Kong Research Grants Council, and a direct grant for research from the Chinese University of Hong Kong (4053341); research of the fourth author supported in part by the Hausdorff Center for Mathematics (DFG EXC 2047)application/pdfen-AU© 2021 Johns Hopkins University PressA short proof of ℓ 2 decoupling for the moment curve202110.1353/ajm.2021.00482022-03-27