Department of Theoretical Physics, National Institute of Physics ans Nuclear Engineering, P.O. Box MG-6, RO-76900 Bucharest-Magurele, Romania; e-mail: grigore(at)theory.nipne.ro
Received 30 May 2000, revised 5 October 2000, accepted 9 October 2000
by K. Fredenhagen
- see above -
Received 30 May 2000, revised 5 October 2000, accepted 9 October 2000
by K. Fredenhagen
Dresdner Bank AG, J rgen-Ponto-Platz 1, 5.OG, D-60301 Frankfurt; Dirk.Prange(at)dresdner-bank.com
Received 25 September 2000, revised 19 October 2000, accepted 20 October 2000
by K. Fredenhagen
Dresdner Bank AG, J rgen-Ponto-Platz 1, 5.OG, D-60301 Frankfurt; Dirk.Prange(at)dresdner-bank.com
Received 25 September 2000, revised 19 October 2000, accepted 20 October 2000
by K. Fredenhagen
1Fakultät für Physik, Universität Freiburg, D-79104 Freiburg; present address: Complex Systems, Physics & Engineering Physics, CHALMERS TH/GU, S-41296 Gothenburg, mehlig(at)fy.chalmers.se; 2Faculty of Mathematics and Computing, The Open University, Milton Keynes, MK7 6AA, Bucks, England
Received 4 May 2000, revised 28 September 2000, accepted 1 November 2000
by U. Eckern
Physikalisches Institut, Universität Karlsruhe, D-76128 Karlsruhe; present address: Philips Research, Division Technical Systems, Hamburg
Received 22 December 2000, accepted 9 January 2001 by U. Eckern
Dept. Math. Sciences, Loughborough University, Loughborough, LE11 3TU, UK; e-mail: C.A.Hoenselaers(at)lboro.ac.uk
Received 20 March 2000, accepted 30 November 2000 by F. W. Hehl
Dept. Math. Sciences, Loughborough University, Loughborough, LE11 3TU, UK; e-mail: C.A.Hoenselaers(at)lboro.ac.uk
Received 6 June 2000, accepted 1 December 2000 by F. W. Hehl