# Dr Corneliu Hoffman

## School of Mathematics

### Contact details

Telephone

School of Mathematics
Watson Building
University of Birmingham
Edgbaston
Birmingham
B15 2TT
UK

Corneliu Hoffman is a Senior Lecturer in Mathematics. His research interests include group theory, representation theory, Hopf algebras and Galois theory.

## Qualifications

• PhD in Mathematics, University of Southern California 1998
• Bsc in Mathematics, University of Bucharest 1993

## Biography

Corneliu Hoffman obtained his Bsc in Mathematics from the University of Bucharest in 1993 and his PhD from the University of Southern California. Prior to moving to Birmingham held academic positions at the University of California Irvine, and The Mathematical Research Institute in Berkeley and Bowling Green State University in the USA.

## Teaching

• Finite simple groups
• Metric spaces

## Research

RESEARCH THEMES

• Group Theory
• Representation theory
• Hopf algebras
• Galois theory

## Publications

R.~J.~Blok, C.~G.~Hoffman, Bass-Serre theory and counting rank two amalgams, J of Group Theory, published online 13/10/2010.

C.~G.~Hoffman, A.~Roberts, "On a quasi-Phan theorem for orthogonal groups.", to appear in Comm Algebra.

R.~Ferguson, C.~G.~Hoffman, F.~Luca, A.~Ostafe, I.~Shparlinski, Some additive combinatorics problems in matrix rings. Rev. Mat. Complut. 23 (2010), no. 2, 501-513.

R.~J.~Blok, C.~G.~Hoffman, A Curtis-Tits-Phan theorem for the twin-building of type $\tilde A_{n-1}$. J. Algebra 321 (2009), no. 4, 1196-1224.

R.~J.~Blok, C.~G.~Hoffman, A Quasi Curtis-Tits-Phan theorem for the symplectic group, J. Algebra 319, 4662-4691 (2008).