Multi-time equations, classical and quantum.
Multi-time equations are evolution equations involving several time variables, one for each particle. Such equations have been considered for the purpose of making theories manifestly Lorentz invariant. We compare their status and significance in classical and quantum physics.
Mathematisches Institut, Ludwig-Maximilians-Universität, Theresienstrasse 39, München 80333, Germany.
Sören
S
Petrat
Department of Mathematics , Rutgers University , 110 Frelinghuysen Road, Piscataway, NJ 08854-8019, USA.
Roderich
R
Tumulka
consistency of multi-time equations; multi-time wave functions; relativistic mechanics