Contact:
Geometric aspects
of spinors
Generalized pure spinors
(co-author: K. Trautman)
Pin structures and the
modified Dirac operator (co-authors: M. Cahen and S. Gutt)
Clifford and the `square
root' ideas
Pythagorean spinors
and Penrose twistors
Reflections and spinors
on manifolds
Relativistic
gravitational fields with close Newtonian analogs (co-authors: P.
Nurowski and E. Schucking)
On complex structures
in physics
Gauge and optical
aspects of gravitation
Spin spaces, Lipschitz
groups and spinor bundles (co-author: Th. Friedrich)
Double covers of
pseudo-orthogonal groups
Robinson
manifolds as the Lorentzian analogs of Hermite manifolds (co-author:
P. Nurowski)
Robinson
manifolds and Cauchy-Riemann spaces
Robinson
manifolds and the shear-free condition
16 double
covers of the full Lorentz group (transparencies for talk at
Anniversary Conference of the Centre for Theoretical Physics, Warsaw,
11 June 2005)
Two approaches to spinor
fields (transparencies for talk at Peter G. Bergmann Memorial
Symposium)
Clifford algebras and
their representations
The Einstein-Cartan
theory
The Dirac operator on hypersurfaces
A metaphysical remark on variational principles
On eight kinds of spinors
Connections and the
Dirac operator on spinor bundles
Remarks
on the history of Lie differentiation
Myron Mathisson:
what little we know of his life (co-author: Tilman Sauer)
Transparencies for a talk
on twistors (given at the Conference "On the Road to Reality with Roger Penrose"
Warszawa 17 May 2010)
A few oldies:
On the conservation theorems and
equations of motion in covariant field theories (scan of a 1956 paper)
Invariance properties of physical theories
(pdf file with the text in French of a conference given in 1963 at
the College de France)
Sol's of Maxwell and Yang-Mills Eqs Associated with Hopf Fibrings (1977 paper)
Yang-Mills theory and gravitation: a comparison (pdf file from LNM 926 (1981))
Comparison of Newtonian and Relativistic Theories of Space-Time (scan of a 1964 paper)
A simple proof of the Robinson theorem (text of talk given
at Journees Relativistes 1983)
Optical geometry (paper with Ivor Robinson, presented at a conference in 1988)