2014
DOI: 10.1112/s0010437x13007495
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Log pluricanonical representations and the abundance conjecture

Abstract: Abstract. We prove the finiteness of log pluricanonical representations for projective log canonical pairs with semi-ample log canonical divisor. As a corollary, we obtain that the log canonical divisor of a projective semi log canonical pair is semi-ample if and only if so is the log canonical divisor of its normalization. We also treat many other applications.

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Cited by 60 publications
(80 citation statements)
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“…The class is very useful for inductive arguments on dimension of varieties. For example, the abundance conjecture for abundant klt pairs and log abundant lc pairs are studied by a lot of people ( [28], [37], [10], [19], [13], [17], [23]), and the conjecture is currently known in full generality ( [23], and [17] for projective case). In klt case, the existence of good minimal models or Mori fiber spaces is known ( [32] and [21]).…”
Section: Introductionmentioning
confidence: 99%
“…The class is very useful for inductive arguments on dimension of varieties. For example, the abundance conjecture for abundant klt pairs and log abundant lc pairs are studied by a lot of people ( [28], [37], [10], [19], [13], [17], [23]), and the conjecture is currently known in full generality ( [23], and [17] for projective case). In klt case, the existence of good minimal models or Mori fiber spaces is known ( [32] and [21]).…”
Section: Introductionmentioning
confidence: 99%
“…(iii) The reader can find applications of this corollary in [Fukuda 2002;Fujino 2010;Fujino and Gongyo 2011].…”
Section: Variants Of Basepoint-free Theorems Due To Fukudamentioning
confidence: 97%
“…We do not use the powerful new method developed in Fujino 2009a;2009b;2009c;2011b;2011c]. For related topics and applications, see [Fujino 2010;Gongyo 2010, Section 6;Cacciola 2011;Fujino and Gongyo 2011]. Remark 1.3.…”
Section: ]mentioning
confidence: 99%
“…We also need the following canonical bundle formula for lc-trivial fibrations from [1] or [22] as well.…”
Section: Proof Of the Main Theoremmentioning
confidence: 99%