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7 p, 280.7 KB Right Engel elements of stability groups of general series in vector spaces / Wehrfritz, B. A. F. (Queen Mary University of London. School of Mathematical Sciences)
Let V be an arbitrary vector space over some division ring D, L a general series of subspaces of V covering all of V \ {0} and S the full stability subgroup of L in GL(V). We prove that always the set of bounded right Engel elements of S is equal to the w-th term of the upper central series of S and that the set of right Engel elements of S is frequently equal to the hypercentre of S.
2017 - 10.5565/10.5565_PUBLMAT 61117 11
Publicacions matemàtiques, Vol. 61 Núm. 1 (2017) , p. 283-289 (Articles)  
15 p, 315.9 KB On the fixed-point set of an automorphism of a group / Wehrfritz, B. A. F.
Let Ø be an automorphism of a group G. Under variousfiniteness or solubility hypotheses, for example under polycyclicity, the commutator subgroup [G; Ø] has finite index in G if thefixed-point set CG(Ø) of Ø in G isfinite, but not conversely, even for polycyclic groups G. [...]
2013 - 10.5565/PUBLMAT_57113_06
Publicacions matemàtiques, Vol. 57, Núm. 1 (2013) , p. 139-153  

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3 Wehrfritz, B. A. F.
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