Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
Drexel University or The Math Forum.



Re: About Time Travel and The Time Travel Paradox
Posted:
Jan 8, 2013 5:30 AM


On Tuesday, January 8, 2013 11:03:07 AM UTC+2, Hannu Poropudas wrote: > If you try to construct a galaxy model or universe model where time > > travel is possible without any paradoxes > > you have to satisfy following two axioms C1 and C2 and the definition: > > > > C1 (Locality). The laws of motion inside any region U do not depend on > > anything outside of U. > > > > C2. In any causal spacetime the laws of motion must be compatible with > > any initial data. > > > > Definition. The paradox is the inconsistency of some laws of motion > > satisfying conditions (C1,C2) with initial data fixed in a causal > > region. > > > > Reference: > > > > Krasnikov, S. 2002. > > The time travel paradox. > > arXiv:grqc/0109029v2 27 Mar 2002. > > (C1 on p. 6, C2 on p. 7 and Def. on p.10.) pages 117. > > > > My model of a galaxy mentioned in my Master of Thesis (Poropudas, > > Hannu, 2006. Geodesic Algebras. Oulu University) satisfies all of > > these. > > > > Best Regards, > > > > Hannu Poropudas
Great, mazat tov to you, but
(1) What has this to do with mathematics?
(2) Are you selling out those galaxies?



