Galois embeddings for linear groups

Shreeram S. Abhyankar
2000 Transactions of the American Mathematical Society  
A criterion is given for the solvability of a central Galois embedding problem to go from a projective linear group covering to a vectorial linear group covering.
doi:10.1090/s0002-9947-00-02438-7 fatcat:vbb5mwtrczdzhbxnfhubm7eh74