Epimorphisms of pseudo-quadratic polar spaces
  We classify the epimorphisms of the buildings ${BC}_l(K,K_0,\sigma,L, q_0)$, where l is at least two, of pseudo-quadratic form type. This completes the classification of epimorphisms of irreducible spherical Moufang buildings of rank at least two. 
Petra Schwer, Koen Struyve
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