Hawking radiation from dilaton gravity in 1+1 dimensions: a pedagogical review

Wien; Leipzig/St. Petersburg

Received 8 July 1999, accepted 25 July 1999 by F. W. Hehl

Weyl transformation in Fermi systems

¹Department of Electrical Engineering, Chiba Institute of Technology, 2-17-1, Tsudanuma, Narashino-shi, Chiba, Japan
²Department of Electronics and Information Engineering, Sun Techno College, 1999-5, Ryuo-cho, Nakagoma-gun, Yamanashi, Japan
³Department of Applied Electronics, Tokyo Institute of Technology, 4259, Nagatsuta, Midori-ku, Yokohama, Japan

Received 6 January 1999, revised 18 May 1999, accepted 16 June 1999 by K. Fredenhagen

Horizon problem in a closed universe dominated by fluid with negative pressure

Institute of Physics, University of Szczecin, Wielkopolska 15, PL-70-451 Szczecin, Poland; e-mail: Jerzy_Stelmach(at)univ.szczecin.pl

Received 17 February 1999, revised 11 May 1999, accepted 19 June 1999 by F. W. Hehl

Global variational methods in general relativity with applications to gravitational lensing

Received 5 July 1999, accepted 23 July 1999 by F. W. Hehl