Maria Piedade Machado Ramos

Associate Professor

University of Minho

mpr@math.uminho.pt
(+351) 253510432
.
ORCID Ciência ID ResearcherID Scopus

Publications

Symmetries and the Karlhede classification of type N vacuum solutions

Classical and Quantum Gravity | 2000

E.G.L.R. Vaz

DOI

Invariant differential operators and the Karlhede classification of Petrov type N spacetimes

Analytical and Numerical Approaches to Relativity: Sources of Gravitational Radiation; Publicacions de la Universitat de les Illes Baleares | 1998

Invariant differential operators and the Karlhede classification of type-N non-vacuum solutions

Classical and Quantum Gravity | 1998

DOI

A spacetime calculus based on a single null direction

Classical and Quantum Gravity | 1996

J.A.G. Vickers

DOI

Invariant differential operators and the Karlhede classification of type N vacuum solutions

Classical and Quantum Gravity | 1996

J.A.G. Vickers

DOI