math.NA cs.DC cs.IT cs.NA eess.SP math.IT 65F10, 65F20, 65F55, 65B99, 65Z05, 68P20, 68P27, 68P30, 68U01,
  68W10, 68W15, 68W20, 68W25, 94D99 G.1.2; G.1.3; E.4
Distributed Hybrid Sketching for $\ell_2$-Embeddings
Neophytos Charalambides Arya Mazumdar