Publications

On causal structure, singularities:

       
On the relation between causal structure and curvature,
           Gen. Rel. Grav.  14 891--897 (1982)


       
On null geodesics from the viewpoint of space-time singularities,
           Gen. Rel. Grav. 15 187--194 (1983)

        A note on the behaviour of the curvature tensor near spacetime
           singularities, in Proceedings of the Fourth Marcel
           Grossmann Meeting
, Rome, Ed.: R. Ruffini, pp. 1719--1722,
           Elsevier Science Publ. B.V; 1986

        On singularity theorems and curvature growth, J. Math. Phys.
            28 142--145 (1987)  (pdf)

        Causal measurability in chronological spaces, Gen. Rel. Grav.
            19 1091--1100 (1987)  (pdf)

        Causal boundary for strongly causal space-times, Class. Quantum
           Grav. 5 121--134 (1988)  (pdf)

        Causal boundaries, in Relativity Today, Proceedings of the
           Second Hungarian Relativity Workshop
, Budapest, 31 Aug.-5 Sept.
           1987, Ed.: Z. Perjés, pp. 37--44 World Scientific Publ Co.
           1988

        Causal boundary for strongly causal space-times II, Class.
           Quantum Grav. 6 77--91 (1989)   (pdf)

On spacetime symmetries:

        Commutation properties of cyclic and null Killing symmetries,
           J. Math. Phys. 28 2688--2691 (1987)  (pdf)


On conserved quantities, geometry of 2-surfaces etc:

        Canonical pseudotensors, Sparling's form and Noether currents,
            KFKI Report 1991-29/B  (pdf)

        On canonical pseudotensors, Sparling's form and Noether currents,
            Class. Quantum Grav. 9 2521-2541 (1992)  (pdf)

        On the positivity of the quasi-local mass, Class. Quantum Grav.
            10 1899-1905 (1993)  (pdf)

        Two dimensional Sen connections, in Proceedings of the 4th
            Hungarian Relativity Workshop
, July 12-17, 1992, Gárdony,
            Ed.: R. P. Kerr and Z. Perjés, pp. 63-68, Akadémiai Kiadó,
            Budapest 1994

        Two dimensional Sen connections in general relativity, Class.
            Quantum Grav. 11 1833-1846 (1994),  gr-qc/9402001

        Two dimensional Sen connections and quasi-local energy-momentum,
            Class. Quantum Grav. 11 1847-1866 (1994),  gr-qc/9402005

        Quasi-local energy-momentum and two-surface characterization of
            the pp-wave spacetimes, Class. Quantum Grav. 13
            1661-1678 (1996),  gr-qc/9512013

        Quasi-local energy-momentum and the Sen geometry of two-surfaces,
            in Mathematics of Gravitation, Part I.: Lorentzian
            geometry and Einstein equations
, Ed. P. T. Chruschiel,
            Banach Center Publications, Vol 41, Institute of Mathematics,
            pp. 205-219, Polish Academy of Sciences, Warszawa, 1997

        On certain quasi-local spin-angular momentum expressions for
            small spheres, Class. Quantum Grav. 16 2889-2904 (1999),
            gr-qc/9901068

        The kernel of the edth operators on higher-genus spacelike
            two-surfaces, Class. Quantum Grav. 18 1003-1014 (2001),
            gr-qc/0010089, co-author: J. Frauendiener

        On certain quasi-local spin-angular momentum expressions for
            large spheres near the null infinity, Class. Quantum Grav.
            18 5487-5510 (2001), Corr.: 19 2333 (2002),
            gr-qc/0109047

        On the roots of the Poincaré structure of asymptotically flat
            spacetimes, Class. Quantum Grav. 20 2627-2662 (2003),
            gr-qc/0302033

        Quasi-local energy-momentum and angular momentum in GR: A review
            article, Living Rev. Relativity, 7 (2004) No 4, pp.
            1--135, URL: www.livingreviews.org/lrr-2004-4

        Comment on positivity of quasilocal mass, Phys. Rev. Lett.
            92 259001 (2004),  gr-qc/0311006,  co-authors: N. Ó Murchadha
            and K. P. Tod

        The Poincaré structure and the centre-of-mass of asymptotically
            flat spacetimes, in Analytical and Numerical Approaches
            to Mathematical Relativity
, The proceedings of the 319th
            WE-Heraeus Seminar on Mathematical Relativity, March 1--5,
            2004, Bad Honnef, Germany, pp. 157--184, Ed.: J. Frauendiener,
            D. J. W. Giulini and V. Perlick, Lecture Notes in Physics,
            No 692, Springer Berlin/Heidelberg 2006  (pdf)

        Quasi-local holography and quasi-local mass of classical fields
            in Minkowski spacetime, Class. Quantum Grav. 22 855-878
            (2005),  gr-qc/0411148

        On a class of 2-surface observables in general relativity, Class.
            Quantum Grav. 23 2291-2302 (2006),  gr-qc/0511059
 

        Total angular momentum from Dirac eigenspinors,

            Class. Quantum Grav. 25 025007 (2008) (25pp),

            arXiv: 0709.1072 [gr-qc]


Chern--Simons functional in GR:

        On a global conformal invariant of initial data sets, Class.
            Quantum Grav. 14 3091-3107 (1997),  gr-qc/9706078,
            co-author: R. Beig

        On certain conformal invariants and 3-surface twistors of initial
            data sets, Class. Quantum Grav. 17 793-811 (2000),
            gr-qc/9909052

        On the role of conformal three-geometries in the dynamics of
            General Relativity, Class. Quantum Grav. 19 2375-2391
            (2002), gr-qc/0110106

 

        A note on the Hamiltonian constraint in canonical GR,

            Class. Quantum Grav. 25 095005 (2008) (5pp),

            arXiv:0711.4009 [gr-qc]