Abstract
We prove the relative index conjecture, which in turn implies that the set of embeddable deformations of a strictly pseudoconvex CR-structure on a compact 3-manifold is closed in the $\mathcal{C}^{\infty}$-topology.
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[BogomolovDeOliveira]
F. A. Bogomolov and B. de Oliveira, "Stein small deformations of strictly pseudoconvex surfaces," in Birational Algebraic Geometry, Providence, RI: Amer. Math. Soc., 1997, vol. 207, pp. 25-41.
@incollection {BogomolovDeOliveira, MRKEY = {1462922},
AUTHOR = {Bogomolov, Fedor A. and de Oliveira, Bruno},
TITLE = {Stein small deformations of strictly pseudoconvex surfaces},
BOOKTITLE = {Birational Algebraic Geometry},
VENUE={{B}altimore, {MD},
1996},
SERIES = {Contemp. Math.},
VOLUME = {207},
PAGES = {25--41},
PUBLISHER = {Amer. Math. Soc.},
ADDRESS = {Providence, RI},
YEAR = {1997},
MRCLASS = {32G05 (14C25 32F30)},
MRNUMBER = {1462922},
MRREVIEWER = {S. Dimiev},
DOI = {10.1090/conm/207/02717},
ZBLNUMBER = {0889.32021},
} -
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@article {EpsteinRI1, MRKEY = {1609455},
AUTHOR = {Epstein, Charles L.},
TITLE = {A relative index on the space of embeddable {CR}-structures. {I}},
JOURNAL = {Ann. of Math.},
FJOURNAL = {Annals of Mathematics. Second Series},
VOLUME = {147},
YEAR = {1998},
NUMBER = {1},
PAGES = {1--59},
ISSN = {0003-486X},
CODEN = {ANMAAH},
MRCLASS = {32G07 (32F20 32F40 35P15)},
MRNUMBER = {1609455},
MRREVIEWER = {John Bland},
DOI = {10.2307/120982},
ZBLNUMBER = {0942.32025},
} -
[EpsteinRI1half]
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@article {EpsteinRI1half, MRKEY = {MR1847595},
AUTHOR = {Epstein, Charles L.},
TITLE = {Erratum: {A} relative index on the space of embeddable {CR}-structures. {I}},
JOURNAL = {Ann. of Math.},
FJOURNAL = {Annals of Mathematics. Second Series},
VOLUME = {154},
YEAR = {2001},
NUMBER = {1},
PAGES = {223--226},
ISSN = {0003-486X},
CODEN = {ANMAAH},
MRCLASS = {32G07 (32V15 32W10 35P15)},
MRNUMBER = {1847595},
MRREVIEWER = {John Bland},
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ZBLNUMBER = {0983.32036},
} -
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@article {EpsteinRI2, MRKEY = {MR1609451},
AUTHOR = {Epstein, Charles L.},
TITLE = {A relative index on the space of embeddable {CR}-structures. {II}},
JOURNAL = {Ann. of Math. (2)},
FJOURNAL = {Annals of Mathematics. Second Series},
VOLUME = {147},
YEAR = {1998},
NUMBER = {1},
PAGES = {61--91},
ISSN = {0003-486X},
CODEN = {ANMAAH},
MRCLASS = {32G07 (32F20 32F40 35P15)},
MRNUMBER = {1609451},
MRREVIEWER = {John Bland},
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} -
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[stipsicz]
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MRCLASS = {53D35 (32Q28 57R17 57R57)},
MRNUMBER = {1992949},
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DOI = {10.1307/mmj/1060013199},
ZBLNUMBER = {1043.53066},
}