Published in: Mathematical Proceedings of the Cambridge Philosophical Society, 124 (1998) 2, Seite 315-327

Published in: Classical and Quantum Gravity, 14 (1997) 8, Seite 2107-2111

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Published in: Illinois Journal of Mathematics, 48 (2004) 1

Published in: Revista Matemática Iberoamericana, 18 (2002) 2, Seite 431-442

Published in: The Journal of Geometric Analysis, 34 (2024) 2

Published in: Differential Geometry and its Applications, 58 (2018), Seite 65-82

Published in: Mathematical Proceedings of the Cambridge Philosophical Society, 155 (2013) 2, Seite 375-377

Published in: Journal of Geometric Analysis, 23 (2013) 4, Seite 2177-2187

Published in: Revista Matemática Iberoamericana, 29 (2013) 4, Seite 1437-1476

Published in: Transactions of the American Mathematical Society, 365 (2013) 2, Seite 591-621

Published in: Geometriae Dedicata, 156 (2012) 1, Seite 31-47

Published in: Mathematical Proceedings of the Cambridge Philosophical Society, 152 (2012) 2, Seite 365-383

Published in: Mathematische Zeitschrift, 267 (2011) 1-2, Seite 453-464

Published in: Transactions of the American Mathematical Society, 362 (2010) 10, Seite 5083-5083

Published in: Transactions of the American Mathematical Society, 362 (2010) 10, Seite 5083-5106

Published in: Taiwanese Journal of Mathematics, 14 (2010) 5

Published in: Taiwanese Journal of Mathematics, 14 (2010) 5, Seite 1957-1977

Published in: Journal of Mathematical Analysis and Applications, 363 (2010) 2, Seite 579-587

Published in: Bulletin of the Brazilian Mathematical Society, New Series, 40 (2009) 4, Seite 465-478