1

Three-dimensional Lorentz manifolds admitting a parallel null vector field

Year:
2005
Language:
english
File:
PDF, 120 KB
english, 2005
4

On a problem of Osserman in Lorentzian geometry

Year:
1997
Language:
english
File:
PDF, 1.19 MB
english, 1997
9

Tangent and frame bundle harmonic lifts

Year:
1991
Language:
english
File:
PDF, 468 KB
english, 1991
14

10.1090/s0002-9939-98-04666-8

Year:
1998
Language:
english
File:
PDF, 208 KB
english, 1998