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math.RA2008
Free algebras and the Freiheitssatz
Hamid Usefi
There have been gaps found in the proofs. The paper is withdrawn until further notice.
math.RA2008
Isomorphism invariants of restricted enveloping algebras
Hamid Usefi
Let and be finite-dimensional restricted Lie algebras over a perfect field $\F$ such that , where is the restricted enveloping algebra of . We pro…