activity
20002004
most citedThe warp drive and antigravity

1 citations · 2 across the 4 of their papers we have counts for

collaborators

6 papers

gr-qc20041 cited

The warp drive and antigravity

Homer G. Ellis

The warp drive envisioned by Alcubierre that can move a spaceship faster than light can, with modification, levitate it as if it were lighter than light, even allow it to go below…

gr-qc2004

An expanding universe of spinning spheres

Homer G. Ellis

A novel but elementary geometric construction produces on the seven-dimensional manifold of rotated spheres in Euclidean three-space a finslerian geometry whose geodesics are inter…

gr-qc20031 cited

Leptons might not generate gravity

Homer G. Ellis

A simple thought experiment suggests that, contrary to assertions in an earlier Letter, constancy across materials of the ratio of active to passive gravitational mass does not rul…

gr-qc2002

Space-Time--Time

Homer G. Ellis

Space-time--time is a natural hybrid of Kaluza's five-dimensional geometry and Weyl's conformal space-time geometry. Translations along the secondary time dimension produce the ele…

gr-qc2001

Space-Time--Time: Five-dimensional Kaluza--Weyl Space

Homer G. Ellis

Space-time--time couples Kaluza's five-dimensional geometry with Weyl's conformal space-time geometry to produce an extension that goes beyond what either of those theories can ach…

gr-qc2000

Darkholes: Nicer than blackholes - with a bright side, too (Does energy produce gravity?)

Homer G. Ellis

The geometry of three-dimensional space guides the search for a better model than the blackhole with its unwelcome singularity. An elementary construction produces on the 4-manifol…