- The Cartan–
Karlhede algorithm is a
procedure for
completely classifying and
comparing Riemannian manifolds.
Given two
Riemannian manifolds of the same...
- Hitchin,
Anders Karlhede, Ulf Lindström, and
Martin Roček in 1987. It is a hyperkähler
analogue of the Kähler quotient. Hitchin, N. J.;
Karlhede, A.; Lindström...
-
include the
discovery of
skyrmions in the
quantum Hall
effect (with A.
Karlhede, S.
Kivelson and E. Rezayi), the
identification of a
resonating valence...
-
radically different geometric structures. (For
example see the Cartan–
Karlhede algorithm.)
Cartan successfully applied his
equivalence method to many...
- Hitchin, and Yuri Manin); the hyperkähler
quotient (of Hitchin,
Anders Karlhede, Ulf Lindström and
Martin Roček);
Higgs bundles,
which arise as solutions...
- Bibcode:1978NuPhB.132...55F, doi:10.1016/0550-3213(78)90257-2. Hitchin, N. J.;
Karlhede, A.; Lindström, U.; Roček, M. (1987). "Hyper-Kähler
metrics and supersymmetry"...
- by
applying the hyper-Kähler
quotient construction of N. J. Hitchin, A.
Karlhede, and U. Lindström et al. (1987) to a
torus acting on a
quaternionic vector...
-
construction which was
later generalized and
discussed in full
detail by Hitchin,
Karlhede, Lindström and Roček. Also,
together with
Martin Roček, he has developed...
-
using any
number of
polynomial curvature invariants (of any order). Cartan–
Karlhede algorithm Carminati–McLenaghan
invariants Curvature invariant (general...
-
requires comparing non-polynomial
invariants or
carrying out the full Cartan–
Karlhede algorithm on non-scalar quantities. All VSI
spacetimes are a
sunset of...
