6 Appendix: Reduction Of The Conformal Infinity4.5 What should be done?

5 Acknowledgements

Most of this work has been prepared while I was funded by a grant from DFG. I also benefitted from the MPI for Mathematics in the Sciences, Leipzig, where the article was completed. I wish to thank H. Friedrich for explaining some of the more subtle issues of null-infinity, and in particular of tex2html_wrap_inline3683, to me. Thanks are also due to P. Hübner for providing me with some of the figures in Section  4.4 . I also want to thank Ted Newman and Roger Penrose for filling me in on some of the historical developments of the subject.

6 Appendix: Reduction Of The Conformal Infinity4.5 What should be done?

image Conformal Infinity
Jörg Frauendiener
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