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SEMI-NORMAL LOG CENTRES AND DEFORMATIONS OF PAIRS

Author(s): Kollar, Janos

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Abstract: We show that some of the properties of log canonical centres of a log canonical pair also hold for certain subvarieties that are close to being a log canonical centre. As a consequence, we obtain that, in working with deformations of pairs where all the coefficients of the boundary divisor are bigger than 1/2, embedded points never appear on the boundary divisor.
Publication Date: Feb-2014
Electronic Publication Date: 19-Dec-2013
Citation: Kollar, Janos. (2014). SEMI-NORMAL LOG CENTRES AND DEFORMATIONS OF PAIRS. PROCEEDINGS OF THE EDINBURGH MATHEMATICAL SOCIETY, 57 (191 - 199. doi:10.1017/S0013091513000801
DOI: doi:10.1017/S0013091513000801
ISSN: 0013-0915
EISSN: 1464-3839
Pages: 191 - 199
Type of Material: Journal Article
Journal/Proceeding Title: PROCEEDINGS OF THE EDINBURGH MATHEMATICAL SOCIETY
Version: Author's manuscript



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